Transfer assembly and a dryer operationally associated with the transfer assembly

Information

  • Patent Grant
  • 6802658
  • Patent Number
    6,802,658
  • Date Filed
    Wednesday, April 23, 2003
    21 years ago
  • Date Issued
    Tuesday, October 12, 2004
    20 years ago
Abstract
A dryer for drying photographic material and a transfer assembly for transferring processed photographic film from a processor to the dryer. The dryer comprises a path through which the photographic material extends wherein at least one slack loop is provided in the photographic material. An adjustable roller is provided along the path to adjust a size of the slack loop and an air supply arrangement is adapted to provide drying air to the slack loop.
Description




FIELD OF THE INVENTION




The present invention relates to a slack loop dryer which is adapted to dry photographic material while the photographic material is moving therein. The present invention also relates to a transfer assembly for transferring processed film from a processor to the dryer.




BACKGROUND OF THE INVENTION




In typical photographic processing machines, photographic material, such as film, is processed by associating the photographic material with processing solution. After processing, the photographic material is dried in a dryer which typically blows air, such as heated air, onto the photographic material. Typically during processing, a single roll at a time is processed or a plurality of rolls of photographic film are spliced together and processed in a photograph processor. After processing, the processed photographic material is delivered to a dryer. Conventionally, the dryer includes a straight path therethrough, which does not permit an entire roll of photographic film to be removed from the processor and inserted into the dryer since the length of the path is usually less than the length of the photographic material to be dried. This can delay the start of the processing operation in the processor for a subsequent roll of film. Conventional dryers which include a U-shaped drying path enable the formation of a slack loop of the photographic material within the dryer. These conventional dryers permit the drying of longer length film but do not permit an adjustment of the length or the size of the slack loop to accommodate different lengths of film. Therefore, in these conventional dryers, it is not possible to match the amount of drying air applied to the film with the length or size of the slack loops of the photographic material being dried. It is, therefore, not possible to optimize the amount of air being supplied in accordance with the size of the slack loop.




SUMMARY OF THE INVENTION




The present invention relates to a dryer which is capable of drying photographic material while it is moving and a transfer assembly for transferring processed photographic material from a processor to the dryer. The dryer of the present invention is a slack loop dryer in which the size of the slack loops as well as the amount of drying air supplied to the slack loops are adjustable so as to optimize the supply of drying air onto the photographic material. With the arrangement of the present invention, it is possible to quickly remove and transfer processed photographic material from the processor in order to improve throughput. By continuously moving the photographic material during drying, the occurrence of drying marks and other drying artifacts on the photographic material is prevented.




The present invention accordingly provides for an assembly for transferring at least two types of photographic film from a first type of photographic equipment to a second type of photographic equipment. The assembly comprises a support member comprising a grabbing mechanism adapted to grab a photographic cartridge from a first type of photograph equipment for transfer to a second type of photographic equipment, with the photographic cartridge being adapted to carry a first type of photographic film. The support member further comprises a first pair of pinch rollers for gripping a front end of a second type of photographic film as the photographic film exits the first type of photographic equipment for transfer to the second type of photographic equipment, wherein the support member places the photographic cartridge with the first type of photographic film attached thereto or the front end of the second type of photographic film gripped by the pinch rollers in a vicinity of an entrance to the second type of photographic equipment.




The present invention also relates to a dryer for drying photographic film which comprises a drying path for photographic film to be dried that extends from an entrance to an exit of the dryer; a support member comprising a first pair of pinch rollers, with the first pair of pinch rollers being adapted to hold a first end of a first type of processed photographic film to be dried in the dryer; a drive mechanism which supports the support member, the drive mechanism being adapted to drive the support member from the entrance to the exit of the dryer, such that when the first type of photographic film is to be dried in the dryer, the drive mechanism places the first end of the first type of photographic film in a vicinity of the exit of the dryer and a second end of the first type of photographic film in a vicinity of the entrance of the dryer; a second pair of pinch rollers provided at the entrance to the dryer, the second pair of pinch rollers being movable between an open position to permit the support member being driven by the drive mechanism to pass therethrough and a closed position which holds the second end of the first type of photographic film, such that the first type of photographic film spans along the drying path of the dryer, at least one adjustable roller provided along the drying path, the at least one adjustable roller being movable between an upper position located above the first type of photographic film spanning along the drying path and at least one lower position in which the at least one adjustable roller contacts the first type of photographic film an forms a slack loop in the first type of photographic film; and an air supply arrangement adapted to supply drying air to the slack loop formed in the first type of photographic film.




The present invention also relates to a dryer for drying photographic film which comprises a drying path for photographic film to be dried which extends from an entrance to an exit of the dryer; a support member having a holding arrangement thereon, with the holding arrangement being adapted to hold a film cartridge, wherein a first end of photographic film to be dried is attached to the cartridge and a second end of photographic film to be dried is outside of and trails the cartridge; a drive mechanism which supports the support member, with the drive mechanism being adapted to drive the support member from the entrance to the exit of the dryer, such that when the photographic film is to be dried in the dryer, the drive mechanism places the first end of the photographic film in a vicinity of the exit of the dryer and a second end of the photographic film in a vicinity of the entrance of the dryer; a pair of pinch rollers provided at the entrance to the dryer, the pair of pinch rollers being movable between an open position to permit the support member being driven by the drive mechanism to pass therethrough and a closed position which holds the second end of the photographic film, such that the photographic film spans along the drying path of the dryer; at least one adjustable roller provided along the drying path, with the at least one adjustable roller being movable between an upper position located above the photographic film spanning along the drying path and at least one lower position in which the at least one adjustable roller contacts the photographic film and forms a slack loop in the photographic film; and an air supply arrangement adapted to supply drying air to the slack loop formed in the photographic film.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a schematic illustration of a photographic processing arrangement in accordance with the present invention including a processor and a dryer;





FIG. 2

is a view of an interior of a dryer in accordance with the present invention;





FIG. 3

is a further view of the dryer of

FIG. 2

;





FIGS. 4A-4C

are side views of the dryer of

FIG. 2

;





FIGS. 5A-5C

are perspective views of the dryer in accordance with the present invention;





FIGS. 6A-6C

are side views of the dryer shown in

FIGS. 5A-5C

; and





FIGS. 7A-7B

are further views of the dryer in accordance with the present invention;





FIG. 8

illustrates the transfer of film and an attached leader card from a processor to the dryer in accordance with the present invention;





FIG. 9

shows sprockets for conveying the film and leader card of FIG.


8


through the dryer;





FIG. 10

illustrates the film and leader card of

FIG. 8

being transferred through the dryer of the present invention;





FIG. 11

is a view similar to

FIG. 10

with the film being driven toward an outlet of the dryer;





FIG. 12

is a view of a further embodiment of the dryer, wherein a transfer assembly, in accordance with the present invention, is used to transfer film and an associated cartridge from a drum-type processor to the dryer;





FIG. 13

is a view similar to

FIG. 12

with the cartridge being located within the dryer;





FIG. 14A

is a view of a transporting or driving mechanism for the transfer assembly of the dryer of the present invention;





FIG. 14B

is a view similar to

FIG. 14A

, wherein the transfer assembly has been conveyed to an area in a vicinity of an outlet of the dryer;





FIG. 15

is a view of the transfer assembly of the present invention;





FIGS. 16A-16C

are isolated views of a portion of the transfer assembly with an APS cartridge held thereon;





FIGS. 17-18

are views which detail the transfer of an APS cartridge form a drum-type processor to the dryer;





FIGS. 19A-19B

are isolated views of a portion of the transfer assembly wherein 35 mm film is being transferred;





FIGS. 20-21

are views which detail the transfer of 35 mm film from a drum-type processor to the dryer; and





FIG. 22

illustrates a driving arrangement which can be used to drive dried 35 mm film from the dryer or wind dried APS film into a cartridge.











DETAILED DESCRIPTION OF THE INVENTION




Referring now to the drawings, wherein like reference numerals represent identical or corresponding parts throughout the several views,

FIG. 1

is a schematic illustration of a processing arrangement in accordance with the present invention. More specifically,

FIG. 1

illustrates a processing arrangement


10


for processing photosensitive or photographic material such as photographic film. As shown in

FIG. 1

, processing arrangement


10


includes a processor


14


and a media input


12


. Processing arrangement


10


also includes a dryer


16


associated with processor


14


as well as a media output


18


. Processor


14


can be any one of the variety of known photographic processors which are adapted to process photographic material through the use of processing solutions such as developer, bleach, fix, etc.




The photographic material processed in processor


14


of the present invention is photographic film such as 35 mm film, APS film, 110 format film or 120 format film. The photographic material is typically processed in processor


14


by processing individual rolls or processing batches where a plurality of rolls are spliced together. As an example, and with respect to media input


12


, the photographic material could be provided on a supply roll that is placed in a supply chamber associated with processor


14


. The photographic material would be led in a known manner from the supply roll into processor


14


. Processor


14


could be a well known processor that includes a plurality of processing stations or tanks wherein the photosensitive material is subject to different photographic processing solutions. For example, processor


14


could be of the type which subjects photographic material to a photographic developing solution, a photographic bleach/fix solution and rinse solutions.




After leaving processor


14


, the photographic material is passed through dryer


16


where it is dried and then led out of arrangement


10


through media output


18


.




With reference to

FIG. 2

, the specifics of dryer


16


in accordance with the present invention is shown. As shown in

FIG. 2

, dryer


16


includes a supporting wall


18


on which can be mounted a plurality of conveying rollers. Dryer


16


includes an entrance


20


having a pair of entrance rollers


22


. Rollers


22


arc adapted to convey film


26


, which is inserted into dryer


16


along film track


28


in dryer


16


. Also positioned along film track


28


is conveying roller


24


which leads film


26


to a first slack loop area


30


provided within dryer


16


. Positioned within first slack loop area


30


is a first adjustable roller


32


which is mounted so as to be vertically adjustable within a guide slot


34


provided in wall


18


. Guide slot


34


defines a vertical path for movement of adjustable roller


32


therein within the space defined by guide slot


34


. As film


26


conveyed along film path


28


passes around first adjustable roller


32


, a first slack loop


26




a


is formed by film


26


within first slack loop area


30


.




Located downstream of conveying roller


24


with respect to the direction of movement of film


26


along film track


28


are additional conveying rollers


36


and


38


. Conveying rollers


36


and


38


guide film from first slack loop area


30


to a second slack loop area


40


. An adjustable roller


42


is provided within second slack loop area


40


and is rotatably mounted in a second guide slot


44


so as to permit the vertical adjustment of roller


42


along the length of second guide slot


44


. Second guide slot


44


is located in wall


18


. Film


26


passing within second slack loop area


40


passes around second adjustable roller


42


to form a second slack loop


26




b


within second slack loop area


40


.




Located downstream of conveying rollers


36


and


38


with respect to the direction of movement of film


26


are further conveying rollers


46


and


48


which convey film


26


from second slack loop area


40


to a third slack loop area


50


. Positioned within third slack loop area


50


is a further adjustable roller


52


. Further adjustable roller


52


is rotatably mounted within a guide slot


54


that is provided in wall


18


of dryer


16


. Adjustable roller


52


is adapted to be vertically adjustable within the length defined by guide slot


54


. Film


26


passing within third slack loop area


50


passes around adjustable roller


52


to form a third slack loop


26




c


with third slack loop area


50


.




Located downstream of conveying rollers


46


and


48


with respect to the direction of movement of film


26


is a further conveying roller


58


and an exit roller pair


60


which convey the film to an outlet


62


of dryer


16


.




Dryer


16


further includes an air supply arrangement or member


71


that includes a blower/heater


70


which is adapted to supply air, preferably heated air, to dryer


16


in a manner which will be described. As shown in

FIG. 2

, dryer


16


includes a first frame member


80


which comprises a first wall


80




a,


a second wall


80




b


which is approximately located below conveying roller


24


and third wall


80




c.


Provided along third wall


80




c


are a plurality of slots or nozzles


82


which extend in a spaced manner along the vertical direction.




Dryer


16


further includes a second frame member


90


which includes a first wall


90




a,


a second wall


90




b


and a third wall


90




c.


As shown in

FIG. 2

, first wall


90




a


includes a plurality of slots or nozzles


92


, while second wall


90




c


which opposes first wall


90




a


includes a plurality of slots or nozzles


94


. Each of slots


92


and


94


extend in a spaced manner along the vertical direction as shown. Conveying rollers


36


and


38


are approximately located above wall


90




b


as shown.




Dryer


16


further comprises a third frame member


100


which includes a first wall


100




a,


a second wall


100




b


and a third wall


100




c.


Third frame member


100


includes slots or nozzles


102


along first wall


100




a


and slots or nozzles


104


along second wall


100




c.


Each of slots


102


and


104


extend in a spaced manner along the vertical direction as shown, while conveying rollers


46


and


48


are approximately located above wall


100




b


of third frame member


100


.




Dryer


16


further includes a fourth frame member


110


which includes a first wall


110




a,


a second wall


110




b


and a third wall


110




c.


As shown in

FIG. 2

, first wall


110




a


includes a plurality of slots or nozzles


112


which are provided in a spaced manner along the vertical direction. Also, roller


58


is approximately located above wall member


110




b


of frame member


110


.




As shown in

FIG. 2

, frame member


80


includes a first telescoping sliding arrangement, mechanism or member


200


which is adapted to be slidable within first frame member


80


to selectively open and close some or all of slots


82


in accordance with the position of sliding member


200


. More specifically, sliding member


200


is slidable within frame member


80


so as to open or block holes


82


in accordance with the position of sliding member


200


. A second telescoping sliding arrangement, mechanism or member


202


is slidably provided within second frame member


90


for selectively blocking or opening slots


92


and


94


; a third telescoping sliding arrangement, mechanism or member


204


is slidably positioned within third frame member


100


to selectively open or block slots


102


and


104


; and a fourth telescoping sliding arrangement, mechanism or member


206


is slidably positioned within fourth frame member


110


to selectively open or block slots


112


.




In

FIG. 2

, a portion of air supply arrangement


71


is deleted to facilitate the understanding of the structure of the frame members. As shown in

FIG. 2

, a first air return inlet


300




a


located at first slack loop area


30


leads to a return air pipe


302


. This forms part of a recirculation system for returning air from first slack loop area


30


to blower/heater


70


. Located at second slack loop area


40


is a second air return inlet


300




b


which re-circulates air from second slack loop area


40


to return air pipe


302


and directs it to blower/heater


70


. Located at third slack loop area


50


is a third air return inlet


300




c


which leads air from third slack loop area


50


along air pipe


302


and back to blower/heater


70


. As noted above, the air supply portion and more specifically, the tubes which supply air to each of frame members


80


,


90


,


100


and


110


are not shown in

FIG. 2

for purposes of more clearly showing the structure of the frame members.





FIG. 3

which is a view of dryer


16


with certain covers removed to facilitate the understanding of the invention illustrates features of the air supply arrangement of the present invention, and more specifically, shows an air supply tube


306


which directs air into each of frame members


80


,


90


,


100


and


110


. Air tube


306


is connected to blower/heater


70


and includes a first opening


306




a


which opens to an area within frame member


80


; a second opening


306




b


which opens to an area within frame member


90


; a third opening


306




c


which opens to an area within frame member


100


; and a fourth opening


306




d


which opens to an area within frame member


110


.




Therefore, with respect to

FIG. 3

, for the purposes of supplying drying air and preferably heated drying air to film


26


in dryer


16


, air supply from blower/heater


70


is directed through tube


306


through each of outlets


306




a,




306




b,




306




c


and


306




d.


Air which is supplied through outlet


306




a


enters frame member


80


and travels through slots


82


so as to dry a first side of slack loop


26




a


of the photographic film within first slack loop area


30


. Air which is supplied through opening


306




b


enters into frame member


90


so as to supply air through slots


92


so as to dry a second side of slack loop


26




a


within first slack loop area


30


, and exits through slots


94


so as to dry a first side of slack loop


26




b


within slack loop area


40


. The air which is supplied through opening


306




c


is directed through slots


102


so as to be directed to a second side of slack loop


26




b


formed by the film in second slack loop area


40


and slots


104


so as to be directed to a first side of slack loop


26




c


formed by the film in third slack loop area


50


. Air which is supplied through opening


306




d


enters into frame member


110


so as to be directed through slots


112


in a direction toward a second side of slack loop


26




c


formed by the photographic film within third slack loop area


50


.




As also illustrated in

FIG. 3

, the air within first slack loop area


30


is adapted to by re-circulated to blower/heater


70


by way of air return inlet


300




a


and tube


302


; the air in second slack loop area


40


is adapted to be re-circulated to blower/heater


70


by way of air return inlet


300




b


and air tube


302


; and the air within third slack loop area


50


is adapted to be re-circulated to blower/heater


70


by way of air return inlet


300




c


and air tube


302


.




A feature of the present invention relates to the ability to adjust the amount of air being provided to each of the film slack loops


26




a,




26




b,




26




c


in accordance with the length of film and size of the slack loop formed by the film. In

FIGS. 4A-4C

, a side view of telescoping sliding member


200


while looking in the direction of nozzles


82


will be used as an example. Of course, it is realized that this description is applicable to the remaining telescoping members


202


,


204


and


206


, and the associated frame members. With reference to

FIGS. 4A-4C

, it is shown that sliding member


200


is movable to the position shown in

FIG. 4A

where all slots


82


are closed or blocked.

FIG. 4B

shows a second position for sliding member


200


where the chamber within frame member


80


is half open and more specifically, approximately half of nozzles


82


are open, and the remaining nozzles are closed or blocked by sliding member


200


. This position is used when it is desired to dry photographic film where the slack loop extends approximately half way down the associated slack loop area.

FIG. 4C

illustrates an embodiment in which sliding member


200


is moved to a lower position in the chamber within frame member


80


to open all of nozzles


82


. The position in

FIG. 4C

is used with longer length film in which the slack loop extends to the lower position within the slack loop area. Three positions are showing in

FIGS. 4A-4C

for illustrative purposes. It is recognized that the present invention is not limited to the positions shown and that the sliding members are movable to various positions based on the size of the slack loops to substantially or approximately match the size of the slack loops.





FIGS. 5A-5C

and


6


A-


6


C illustrate different positions of sliding members


200


,


202


,


204


and


206


and adjustable rollers


32


,


42


and


52


as described with reference to

FIGS. 4A-4C

. More specifically, in a closed position where no film is provided in dryer


16


, sliding members


200


,


202


,


204


and


206


are positioned as shown in

FIGS. 4A

,


5


A and


6


A, where all of the associated slots are closed or blocked by the telescoping sliding members. If it is desired to dry media or film of a medium length, the telescoping sliding members are positioned as illustrated in

FIGS. 4B

,


5


B and


6


B to block or close some of the slots and leave the other or remaining slots open. More specifically, each of adjustable rollers


32


,


42


and


52


are moved within associated guide slots


34


,


44


and


54


to permit the creation of slack loops


26




a,




26




b,




26




c


having a first length as shown in, for example,

FIG. 2

, FIG.


5


B and FIG.


6


B. Since each of the slack loops formed do not take up the entire associated slack loop areas, it is not necessary for all slots


82


,


92


,


94


,


102


,


104


and


112


to be opened. Therefore, when slack loops having the first length shown in

FIGS. 2

,


5


B and


6


B are formed by adjustable rollers


32


,


42


and


52


, slidable members


200


,


202


,


204


and


206


are adjusted to the position illustrated in

FIGS. 4B

,


5


B and


6


B. In this position, approximately half (i.e. the upper half) of slots


82


and


92


which face slack loop


26




a


formed within slack loop area


30


will be opened; approximately half of slots


94


and


102


which face slack loop


26




b


formed in second slack loop area


40


will be opened; and approximately half of slots


104


and


112


which face slack loop


26




c


formed in third slack loop area


50


will be opened. The remaining slots, and more specifically, those slots located below the slack loop formed in each of the slack loop areas will be blocked by the respective sliding members


200


,


202


,


204


and


206


. This assures that air is supplied from only those slots which face or oppose the slack loops. Those slots which do not face or oppose the slack loops are closed or blocked by the sliding members.




When a longer length film is to be dried, then longer slack loops are necessary. That is, a slack loop having a length longer than the slack loop in

FIGS. 5B and 6B

is necessary. The longer length slack loop is illustrated in

FIGS. 5C and 6C

. To form the longer length slack loops, each of adjustable rollers


32


,


42


and


52


are adjusted to a lower position within respective guide slots


34


,


44


and


54


as shown in

FIGS. 5C and 6C

. Based on this, each of telescoping sliding members


200


,


202


,


204


and


206


can be moved to the position illustrated in

FIGS. 4C

,


5


C and


6


C. That is, each of sliding members


200


,


202


,


204


and


206


are moved so as to open all of slots


82


,


92


,


94


,


102


,


104


and


112


. This permits a complete drying of the film within the slack loop areas since the area covered by the opened slots, or the amount of slots which are opened approximately match or correspond to the longer length slack loops formed by the adjustable rollers.




Therefore, with the arrangement of the present invention, when shorter length film which forms shorter slack loops are to be dried, it is possible to block slots or nozzles which do not face the slack loops or are located below the slack loop so as to avoid the supply of drying air to these areas. In addition, when longer length film which form longer slack loops are to be dried, the present invention permits the opening of additional slots to approximately match the size of the slack loop. That is, with the arrangement of the present invention, it is possible to customize or match the amount of slots or nozzles which are going to be utilized based on the length or size of the slack loops formed within the dryer.




The movement of the telescoping sliding members can be achieved through several methods. For example, each of the telescoping sliding members can be moved as a unit and can be manually moved between the positions discussed with reference to

FIGS. 4A-4C

,

FIGS. 5A-5C

and

FIGS. 6A-6C

; or the movement of the telescoping sliding members can be automated through the use of, for example, a motor and a drive gear.




With respect to the movement of adjustable rollers,


32


,


42


and


52


reference is made to

FIGS. 7A and 7B

which illustrate a rear view of dryer


16


. As shown in

FIG. 7A

, each of adjustable rollers


32


,


42


and


52


are rotatably mounted on a rod or bar


500


. In the view of

FIG. 7A

, wall


18


has been removed to facilitate understanding of the movement of the adjustable rollers. Rod


500


onto which rollers


32


,


42


and


52


are rotatably mounted, can be driven by way of a motor


502


which rotates a gear


506


. Rod


500


is connected to a second rod or bar


504


which can include, for example, a rack gear


504




a


thereon. A rotation of motor


502


causes a rotation of a gear


506


which is in meshing engagement with rack gear


504




a.


This causes a vertical movement of rod


504


which causes a corresponding vertical movement of rod


500


in order to achieve the vertical movement of the adjustable rollers along the associated guide slots between the positions illustrated in

FIGS. 5A-5C

and


6


A-


6


C.

FIG. 7B

illustrates an opposite view of the driving arrangement illustrated in

FIG. 7A

which shows the adjustable rollers mounted on the rod. As also shown in

FIG. 7B

, each of the telescoping sliding members are connected to a protruding plate member


1000




a


-


1000




d


which move up and down in correspondence with the movement of the slidable telescoping sliding members. This provides for a visual indication of the position of the telescoping sliding members and can assist in gauging how far you desire to move the telescoping sliding members.




An example for transporting a photographic film through the dryer of the present invention will now be described. With reference to

FIG. 8

, a first example of transporting processed photographic film through dryer


16


in accordance with the present invention is shown. In

FIG. 8

, a last wash rack


600


of a processor is illustrated as an example. After passing through last wash rack


600


, photographic film which includes a leader card


602


provided thereon in a conventional manner is transported from last wash rack


600


to dryer


16


. As shown in

FIG. 8

, dryer


16


can include motor and chain driven sprockets


604


which are adapted to cooperate with a side end of leader card


602


in order to pull the photographic film into and through dryer


16


. More specifically, as illustrated in

FIG. 9

, sprockets


604


include teeth


604




a


which are adapted to mesh with perforations or holes in leader card


602


, so as to transport leader card


602


through dryer


16


. As also shown in

FIG. 9

, dryer


16


preferably includes guide grooves


606


to help guide leader card


602


through dryer


16


.





FIG. 10

illustrates leader card


602


further along within dryer


16


and illustrates processed photographic film


608


attached to leader card


602


in a conventional manner. Photographic film


608


is shown leaving last wash tank


600


, and is being driven or pulled into dryer


16


for the purpose of drying the photographic film. As leader card


602


is driven by way of sprockets


604


, photographic film


608


is advanced into dryer


16


to the position illustrated in FIG.


11


. When film


608


is conveyed to the position shown in

FIG. 1

, adjustable rollers


32


,


42


and


52


are moved as described with reference to

FIGS. 5B

,


5


C,


6


B,


6


C, to a desired position along respective slots


34


,


44


and


54


, in the manner as also described with reference to

FIGS. 5A-5C

and


6


A-


6


C. That is, each of adjustable rollers


32


,


42


and


52


are moved along their respective slots


34


,


44


and


54


, in accordance with the length of the film to be dried. At that point, sliding members


200


,


202


,


204


and


206


are adjusted as noted with respect to

FIGS. 5A-5C

and


6


A-


6


C, so as to supply the appropriate amount of drying air to photographic film


608


in accordance with the size of the slack loop formed by film


608


as also described with respect to

FIGS. 5A-5C

and


6


A-


6


C.




The above has been described with reference to a photographic processor which includes traditional tanks that contain processing solution and washing solution. In a further feature of the present invention, dryer


16


can be operationally associated with a circular drum-type processor as illustrated in FIG.


12


. With reference to

FIG. 12

, a drum processor


620


and an associated circular disk


622


is shown. Drum processor


620


is similar to the drum processor described in U.S. Pat. No. 6,485,202, issued Nov. 26, 2002 and U.S. Pat. No. 6,485,204 issued Nov. 26, 2002; and U.S. application Ser. No. 10/027,432 filed Dec. 21, 2001 and Ser. No. 10/164,067 filed Jun. 5, 2002, the contents of which are herein incorporated by reference. The operation of the drum processor as disclosed in the above-mentioned co-pending and/or corresponding patents and/or applications is also incorporated herein by reference.




More specifically, drum processor


620


operates in a manner as described in the above-noted U.S. patent and applications, wherein a cartridge having a roll of exposed film is delivered to drum


620


, and thereafter a disk


622


having teeth on an outer periphery thereof cooperates with sprocket holes on the film to transport the film to a processing area in a lower portion within drum


620


. That is, and with reference to APS film, a cartridge


632


having exposed film therein is placed on a surface


631


of drum


620


. Thereafter, a drive system as described in the above-mentioned U.S. patents and/or applications is actuated to drive the film from cartridge


632


into drum


620


. Once the film is within drum


620


, disk


622


having disk teeth on an outer periphery thereof, as also described in the above-mentioned patents and/or applications, is activated so that the disk teeth are inserted into the sprocket holes of the film and the disk is thereafter rotated to pull the film from the cartridge and into the drum


620


for processing. Once the film is within drum


620


, a processing solution delivery system as also described into above-mentioned U.S. patents and/or applications cooperates with drum


620


so as to delivery processing solution to a processing section at a lower portion of drum


620


. Thereafter, the drum is rotated as described in the above-mentioned patents and/or applications to process the film. After processing within drum


620


, in a manner as also described in the above-referenced patents and/or patent applications, the cartridge with the film trailing therefrom can be removed and supplied to a dryer.




With respect to the dryer of the present invention, and with reference to APS-type film, the transfer of the film from the processor to the dryer utilizes a transfer assembly


624


as illustrated in FIG.


12


. More specifically, transfer assembly


624


includes a support member


626


as well as a transporting or driving mechanism


628


. For the purposes of transferring the APS cartridge and the film trailing therefrom from drum processor


620


to dryer


16


, transfer assembly


624


is placed in the position shown in FIG.


12


. Support member


626


includes a holding arrangement, a grabbing mechanism or a snap member the details of which will be described later, which grabs cartridge


632


positioned on surface


631


of drum processor


620


. Transfer assembly


624


as noted above further includes a driving mechanism


628


which can be a lead screw and/or a drive belt. The lead screw or drive belt is drivingly associated with a plate member


630


which is attached to or integral with support member


26


. Movement of the lead screw or drive belt provides for the movement of plate member


630


from the position illustrated in

FIG. 12

to the position illustrated in FIG.


13


. This places cartridge


632


(held by support member


626


) in a vicinity of an outlet of dryer


16


, while a film


8000


trailing therefrom spans across the top end of dryer


16


. At that point, adjustable rollers


32


,


42


and


52


are positioned above film


8000


spanning across to top end of dryer


16


. Adjustable rollers


32


,


42


and


52


can then be moved along respective slots


34


,


44


and


54


, depending upon the length of the photographic film, to any of a variety of positions as shown in

FIGS. 12 and 13

. For example, for shorter length film, rollers


32


,


42


and


52


can be placed in a middle position within slots


34


,


44


and


54


as shown in FIG.


13


. For longer length film, adjustable rollers


32


,


42


and


52


can be moved toward the bottom of slots


34


,


44


and


54


as also shown in FIG.


13


. Thereafter, the sliding mechanisms can be controlled as previously described to open up the appropriate slots and dry the film. Although a lead screw or drive belt is shown with regard to transfer assembly


624


, the present invention is not limited thereto. It is recognized that any type of arrangement which achieves a linear motion, such as a chain drive, a gear train or a rack gear can be used to drive the transfer assembly.





FIGS. 14A-14B

illustrate features of the transfer assembly, support member and driving mechanism of the present invention with reference to APS film. In the example of

FIG. 14A

, plate member


630


is shown in the vicinity of an entrance to dryer


16


, and support member


626


is shown holding APS cartridge


632


. In one embodiment, plate member


630


can be rotatably positioned on a lead screw


634


such that rotation of lead screw


634


causes a movement of plate member


630


and a corresponding movement of support member


626


in an axial direction along the top dryer of


16


. Depending on the rotation direction of a motor that drives lead screw


634


, support member


626


can be driven back and forth between an entrance (

FIG. 14A

) and an exit (

FIG. 14B

) of dryer


16


as shown in FIG.


14


B.




As a further option for moving plate member


630


and therefore, support member


626


, plate member


630


can be attached to a endless conveyer belt


640


which is wrapped around rollers


636


and


638


. Rotation of at least one of rollers


636


,


638


causes a corresponding movement of conveyer belt


640


and therefore, a corresponding movement of plate


630


between at least the positions shown in

FIGS. 14A and 14B

.





FIG. 15

illustrates a more detailed view of support member


626


. As shown in

FIG. 15

, a feature of drum


620


is that during processing, cartridge


632


is placed on a surface


631


of drum


620


. For processing, through use of driving rollers, the film is drawn out from APS cartridge


632


and positioned within drum


620


in the manner as described in the above-mentioned patents and/or applications. After processing is complete, support member


626


is moved towards cartridge


632


to a position in which a holding arrangement or grabbing mechanism such as metal snaps


644




a


and


644




b


of support member


626


snaps onto cartridge


632


. When support member


626


and snap members


644




a,




644




b


snap onto cartridge


632


, driving mechanism


628


is actuated to pull cartridge


632


and the film trailing therefrom from processing drum


620


and into dryer


16


.





FIGS. 16A-16C

illustrate further views of support member


626


of the present invention, wherein the support member is shown holding APS cartridge


632


.

FIG. 16A

is a view of the bottom of support member


626


while

FIG. 16B

is a side view of support member


626


showing snap members


644




a,




644




b


on either side of cartridge


632


. In the view of

FIG. 16C

which is a perspective bottom view, bottom snap member


644




a


is shown around APS film cartridge


632


.




With reference to

FIG. 17

, a position after support member


626


and snap members


644




a,




644




b


grabs APS cartridge


632


is shown. That is, in the view of

FIG. 17

, support member


626


has grabbed APS cartridge


632


as shown in

FIG. 15

, and pulls APS cartridge


632


(through the use of driving mechanism


628


) towards the entrance of dryer


16


. In the view of

FIG. 17

, processed film


8000


attached to cartridge


632


is seen as it is coming out of processing drum


620


. In a feature of the invention, dryer


16


includes opposing pinch rollers


652


and


650


. Pinch roller


652


is attached to a first plate member


658


which is rotatably provided on a lead screw arrangement


654


. Lead screw arrangement


654


includes a first section


654




a


having threads which are inclined in a first direction, and a second section


654




b


having threads which are inclined in a second direction which is opposite to the first direction. First plate member


658


attached to roller


652


is specifically threaded on first section


654




a,


while a second plate member


660


is attached to roller


650


and is threadedly provided on second section


654




b.






Therefore, rotation of lead screw arrangement


654


in a first direction by, for example, a motor


655


, causes rollers


650


and


652


to move toward each other, while rotation of lead screw arrangement


654


in a second direction causes rollers


652


and


650


to move away from each other. With this arrangement, when support member


626


is moved toward the entrance of dryer


16


, pinch rollers


650


and


652


are controlled so as to be placed in an open position as illustrated in FIG.


17


. This permits support member


626


which is being transported by driving mechanism


628


to be inserted into the entrance of dryer


16


and accordingly, permits the movement of support member


626


and the film trailing therefrom to the position illustrated in FIG.


13


.




When support member


626


reaches the position illustrated in

FIG. 13

, pinch rollers


650


and


652


are controlled to move toward each other and therefore, pinch the end of photographic film


8000


.

FIG. 18

shows rollers


650


and


652


pinching against film


8000


. With regard to the view of

FIG. 18

, in order to commence a drying operation, support member


626


is driven until the end of film


8000


is located and held between pinch rollers


650


and


652


. With this arrangement, the photographic film will be held on one side by pinch rollers


650


and


652


, while the other side is supported by support member


626


which holds cartridge


632


. As described with reference to

FIG. 13

, rollers


32


,


42


,


52


can then be moved to form slack loops in the film. Upon completion of the drying of the photographic film within the dryer, a driving arrangement


904


such as illustrated in

FIG. 22

can be inserted within the APS cartridge so as to wind the dried film within the cartridge, and prepare the film for removal the dryer. More specifically, driving arrangement


904


can be a motor attached to a shaft


904




a.


Shaft


904




a


can be adapted to be inserted into cartridge


632


for the purpose of winding the dried film back into the cartridge.





FIGS. 19A

,


19


B and


20


-


21


illustrate features of the present invention with respect to processing a second type of film such as 35 mm film


9001


. For drying 35 mm film, it is noted that support member


626


includes a pair of pinch rollers


900


and


902


(

FIGS. 19A-19B

) supported thereon. Rollers


900


and


902


can also be seen in FIG.


13


. Therefore, when 35 mm film is processed within processing drum


620


as described with reference to, for example, the above-mentioned U.S. applications or patents, the 35 mm film can be transferred from processing drum


620


to dryer


16


by driving the film out of processing drum


620


and to a path


920


as shown in

FIG. 15

so as to enter a path


906


within support member


626


as also shown in FIG.


15


.




Once within path


906


, 35 mm film is driven between rollers


900


and


902


with the front end of the 35 mm film being held therebetween. It is noted that rollers


900


and


902


are preferably spring-loaded rollers which are spring loaded in a direction toward each other. Thereafter, driving mechanism


628


can be operated to begin moving support member


626


towards the entrance of dryer


16


as shown in FIG.


20


and also to begin pulling processed film


9001


from processing drum


620


. It is noted that with 35 mm film, snap members


944




a


and


944




b


are not used. As support member


626


is conveyed into dryer


16


, movable pinch rollers


650


,


652


are operated so as to be in the open position as shown in

FIG. 20

, so as to permit the passage of support member


626


therebetween. Thereafter, support member


626


is conveyed toward a vicinity of the exit of dryer


16


while 35 mm film


9001


is pulled from processing drum


620


so as to reach a position analogous to the position illustrated in, for example,

FIG. 13

(i.e. a position in the vicinity of an exit from dryer


16


). At that point, pinch rollers


650


,


652


pinch against the other end of photographic film


9001


.

FIG. 21

shows pinch rollers


650


,


652


pinching film


9001


. With regard to the review of

FIG. 21

, in order to commence a drying operation, support member


626


is driven to place the end of film


9001


between rollers


650


,


652


. With this arrangement, a first end of film


9001


is held between rollers


900


,


902


, and a second end of film


9001


is held between rollers


650


,


652


. Adjustable rollers


32


,


42


,


52


are then moved along their elongated slots in a manner similar to the manner described with respect to APS film so as to create slack loops. At that point, the film can be dried in a manner similar to the manner as previously described. Furthermore, for the purposes of driving the dried film out of dryer


16


, driving arrangement


904


(

FIG. 22

) and shaft


904




a


located in a vicinity of an outlet of dryer


16


can be actuated to rotate a set of exit pinch rollers


904




b,


and therefore, drive the photographic film to downstream equipment such as, for example, a scanner.




Accordingly, the present invention provides for an improved dryer where slack loops are adjustable in accordance with the length of the film. The dryer of the present invention is adapted to receive processed film from a tank type processing arrangement wherein the photographic film with a leader card attached thereon is conveyed into the dryer. In addition, the dryer of the present invention can also receive processed photographic film from a drum-type processing arrangement as described. With respect to the drum-type processing arrangement, the present invention provides for a unique transfer assembly for transferring film attached to a cartridge such as APS film or the film itself such as 35 mm film from the drum processor to the dryer. Further, although APS and 35 mm film are discussed, the present invention is not limited thereto. The present invention is applicable for drying multiple types of film in addition to 35 mm and APS film.




Therefore, the present invention provides for a dryer which permits the drying of photographic media while the media is moving. The dryer of the present invention also permits the removal of the media from a processor so as to improve throughput. The use of the telescoping sliding members as described permits the adjustment of the dryer lengths and the air output. This permits the use of the proper amount of air for drying the media and assists in directing air onto the media. Further the adjustable rollers permit the adjustment of the size of the slack loops in the dryer in accordance with the length of the media being dried.




The invention has been described in detail with particular reference to certain preferred embodiments thereof, but it will be understood that variations and modifications can be effected within the spirit and scope of the invention.



Claims
  • 1. An assembly for transferring at least two types of photographic film from a first type of photographic equipment to a second type of photographic equipment, the assembly comprising:a support member comprising a grabbing mechanism adapted to grab a photographic cartridge from a first type of photograph equipment for transfer to a second type of photographic equipment, said photographic cartridge being adapted to carry a first type of photographic film, said support member further comprising a first pair of pinch rollers for gripping a front end of a second type of photographic film as the photographic film exits said first type of photographic equipment for transfer to the second type of photographic equipment, wherein said support member places said photographic cartridge with said first type of photographic film attached thereto or said front end of said second type of photographic film gripped by said pinch rollers in a vicinity of an entrance to said second type of photographic equipment.
  • 2. An assembly according to claim 1, further comprising:a drive mechanism which supports said support member and is adapted to drive said support member from the vicinity at the entrance of the dryer to a vicinity of an exit of said second type of photographic equipment.
  • 3. An assembly according to claim 1, wherein said grabbing mechanism comprises at least one snap member that is adapted to snap around an outer surface of said cartridge.
  • 4. An assembly according to claim 2, wherein said driving mechanism comprises an endless belt drivingly associated with said support member for driving said support member.
  • 5. An assembly according to claim 2, wherein said driving mechanism comprises a rotatable lead screw drivingly associated with said support member for driving said support member.
  • 6. An assembly according to claim 1, wherein said first type of photographic equipment is a photographic processor and said second type of photographic equipment is a dryer.
  • 7. An assembly according to claim 1, wherein said photographic processor is a drum processor.
  • 8. A dryer for drying photographic film, the dryer comprising:a drying path for photographic film to be dried which extends from an entrance to an exit of the dryer; a support member comprising a first pair of pinch rollers, said first pair of pinch rollers being adapted to hold a first end of a first type of processed photographic film to be dried in the dryer; a drive mechanism which supports said support member, said drive mechanism being adapted to drive said support member from the entrance to the exit of the dryer, such that when said first type of photographic film is to be dried in said dryer, said drive mechanism places the first end of the first type of photographic film in a vicinity of the exit of the dryer and a second end of said first type of photographic film in a vicinity of the entrance of the dryer; a second pair of pinch rollers provided at the entrance to said dryer, said second pair of pinch rollers being movable between an open position to permit the support member being driven by said drive mechanism to pass therethrough and a closed position which holds the second end of the first type of photographic film, such that said first type of photographic film spans along said drying path of said dryer; at least one adjustable roller provided along said drying path, said at least one adjustable roller being movable between an upper position located above said first type of photographic film spanning along said drying path and at least one lower position in which said at least one adjustable roller contacts said first type of photographic film an forms a slack loop in said first type of photographic film; and an air supply arrangement adapted to supply drying air to said slack loop formed in said first type of photographic film.
  • 9. A dryer according to claim 8, further comprising:a holding arrangement provided on said support member, said holding arrangement being adapted to hold a cartridge, wherein a first end of a second type of photographic film to be dried is attached to said cartridge and a second end of said second type of photographic film to be dried is outside of and trails said cartridge, such that when said second type of photographic film is to be dried in said dryer, said drive mechanism places the cartridge in the vicinity of the exit of the dryer and the second end of the second type of photographic film in the vicinity of the entrance of the dryer; wherein: when the second type of photographic film is to be dried in said dryer, the second pair of pinch rollers is movable between the open position to permit the support member being driven by said drive mechanism to pass therethrough, and the closed position which holds the second end of the second type of photographic film, such that said second type of photographic film spans along said drying path of said dryer; said at least one adjustable roller provided along said drying path is movable between an upper position located above said second type of photographic film spanning along said drying path and at least one lower position in which said at least one adjustable roller contacts said second type of photographic film and forms a slack loop in said second type of photographic film; and said air supply arrangement supplies drying air to said slack loop formed in said second type of photographic film.
  • 10. A dryer according to claim 9, wherein said first type of photographic film is at least 35 mm film.
  • 11. A dryer according to claim 10, wherein said second type of photographic film is at least APS film.
  • 12. A dryer according to claim 9, wherein said holding arrangement comprises at least one snap member that is adapted to snap around an outer surface of said cartridge.
  • 13. A dryer according to claim 8, wherein said drive mechanism comprises an endless belt drivingly associated with said support member for driving said support member.
  • 14. A dryer according to claim 9, wherein said driving mechanism comprises an endless belt drivingly associated with said support member for driving said support member.
  • 15. A dryer according to claim 8, wherein said drive mechanism comprises a rotatable lead screw drivingly associated with said support member for driving said support member.
  • 16. A dryer according to claim 9, wherein said driving mechanism comprises a rotatable lead screw drivingly associated with said support member for driving said support member.
  • 17. A dryer according to claim 8, wherein:a first pinch roller of said second pair of pinch rollers is drivingly associated with a first portion of a pinch roller lead screw having a first thread that extends in a first direction, and a second pinch roller of said second pair of pinch rollers is drivingly associated with a second portion of said pinch roller lead screw having a second thread that extends in a second direction opposite to said first direction, such that a rotation of said pinch roller lead screw in a first rotational direction moves said first and second pinch rollers of said second pair of pinch rollers toward each other, and a rotation of said pinch roller lead screw in a second rotational direction opposite to said first rotational direction moves said first and second pinch rollers of said second pair of pinch rollers away from each other.
  • 18. A dryer according to claim 9, wherein:a first pinch roller of said second pair of pinch rollers is drivingly associated with a first portion of a pinch roller lead screw having a first thread that extends in a first direction, and a second pinch roller of said second pair of pinch rollers is drivingly associated with a second portion of said pinch roller lead screw having a second thread that extends in a second direction opposite to said first direction, such that a rotation of said pinch roller lead screw in a first rotational direction moves said first and second pinch rollers of said second pair of pinch rollers toward each other, and a rotation of said pinch roller lead screw in a second rotational direction opposite to said first rotational direction moves said first and second pinch rollers of said second pair of pinch rollers away from each other.
  • 19. A dryer for drying photographic film, the dryer comprising:a drying path for photographic film to be dried which extends from an entrance to an exit of the dryer; a support member having a holding arrangement thereon, said holding arrangement being adapted to hold a film cartridge, wherein a first end of photographic film to be dried is attached to said cartridge and a second end of said photographic film to be dried is outside of and trails said cartridge, a drive mechanism which supports said support member, said drive mechanism being adapted to drive said support member from the entrance to the exit of the dryer, such that when said photographic film is to be dried in said dryer, said drive mechanism places the first end of the photographic film in a vicinity of the exit of the dryer and a second end of the photographic film in a vicinity of the entrance of the dryer; a pair of pinch rollers provided at the entrance to said dryer, said pair of pinch rollers being movable between an open position to permit the support member being driven by said drive mechanism to pass therethrough and a closed position which holds the second end of the photographic film, such that said photographic film spans along said drying path of said dryer; at least one adjustable roller provided along said drying path, said at least one adjustable roller being movable between an upper position located above said photographic film spanning along said drying path and at least one lower position in which said at least one adjustable roller contacts said photographic film and forms a slack loop in said photographic film; and an air supply arrangement adapted to supply drying air to said slack loop formed in said photographic film.
  • 20. A dryer according to claim 19, wherein said holding arrangement comprises at least one snap member which is adapted to snap around an outer surface of said cartridge.
  • 21. A dryer according to claim 19, wherein said drive mechanism comprises an endless belt drivingly associated with said support member for driving said support member.
  • 22. A dryer according to claim 19, wherein said drive mechanism comprises a rotatable lead screw drivingly associated with said support member for driving said support member.
  • 23. A dryer according to claim 19, wherein:a first pinch roller of said pair of pinch rollers is drivingly associated with a first portion of a pinch roller lead screw having a first thread that extends in a first direction, and a second pinch roller of said pair of pinch rollers is drivingly associated with a second portion of said pinch roller lead screw having a second thread that extends in a second direction opposite to said first direction, such that a rotation of said pinch roller lead screw in a first rotational direction moves said first and second pinch rollers of said pair of pinch rollers toward each other, and a rotation of said pinch roller lead scr5ew in a second rotational direction opposite to said first rotational direction moves said first and second pinch rollers of said pair of pinch rollers away from each other.
CROSS REFERENCE TO RELATED APPLICATIONS

The present application is related to the following pending patent application: U.S. patent application Ser. No. 10/421,429 filed Apr. 23, 2003, entitled A SLACK LOOP DRYER FOR DRYING PHOTOGRAPHIC MATERIAL.

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Number Name Date Kind
3613978 Renold Oct 1971 A
4215827 Roberts et al. Aug 1980 A
4999667 Fukushima Mar 1991 A
5212512 Shiota May 1993 A
5235369 Nakamura et al. Aug 1993 A
5559575 King Sep 1996 A
5802416 Earle et al. Sep 1998 A
5835812 Earle et al. Nov 1998 A
5903794 Sheley et al. May 1999 A
6052144 Reyner Apr 2000 A