Carriage for food slicer

Information

  • Patent Grant
  • 6167791
  • Patent Number
    6,167,791
  • Date Filed
    Monday, June 23, 1997
    27 years ago
  • Date Issued
    Tuesday, January 2, 2001
    24 years ago
Abstract
A carriage for a food slicer; wherein the carriage includes a tray for supporting a food product. The tray has a relatively flat portion and an upstanding side portion, a food gripping portion attached to the tray and at least one handle attached to the side portion of the tray for moving the tray in a reciprocating motion past the slicing blade. Preferably, the carriage includes a second handle such that the user can grasp either handle. The tray also includes a slide rod for slidably supporting the food gripping portion. The slide rod may be optionally mounted to either side of the tray, before or after the food product.
Description




BACKGROUND OF THE INVENTION




The present invention relates to a carriage for a food slicer which holds the food product during slicing, and more particularly, to a carriage having two spaced handles and a carriage in which the means for supporting the food grip can be mounted in the front or back of the food product.




Slicing machines have been commercially available for many years. Typical food slicers have a rotatable, circular or disc-like slicing blade, and use a gravity feed to keep the food product in contact with the slicing blade. In such an arrangement, the rotating slicing blade is supported for rotation about an axis which is oriented in a plane extending at an angle to vertical, such as an angle of about 45 degrees. The slicers also generally include a gauge plate associated with the knife for determining the thickness of the slice and a carriage for supporting the food as it is moved past the cutting edge of the knife during slicing.




The food product-supporting carriage is mounted in a position generally perpendicular to the slicing plane and supports the food product as it reciprocates on a linear path past the cutting edge of the knife. To set the carriage in motion, the user must physically move the carriage by hand. As the carriage is withdrawn on its return stroke from the blade, the food product slides down the inclined carriage surface by the force of gravity and into contact with the gauge plate. As the carriage is then moved on its forward or slicing stroke, the food product will engage the knife and a slice will be removed, with the thickness of the slice being determined by the position of the gauge plate with respect to the knife.




Slicers of this type may be operated either manually or controlled automatically. When using an automatic control, a specific number of slices may be produced in a slicing operation, thereby adding convenience for the user and minimizing food product wastage. To enhance productivity, the slicer may also be able to control the stroke length for the carriage as well as the carriage speed.




However, conventional slicers have been inconvenient or difficult to use. The handles in the prior art slicers are often inconveniently located, uncomfortable to use, and may require the user to exert a high degree of force. Therefore, a need exists for an improved carriage for a food slicer which overcomes the disadvantages of the conventional slicers.




SUMMARY OF THE INVENTION




The present invention is a carriage for supporting a food product as it is carried past a slicing blade of a food slicer. In a preferred embodiment of the invention, the carriage includes two separate handles, an adjustable slide rod and is shaped to receive a slide rod on either of two opposed sides. The invention also optionally includes a handle support and a food grip having floating bushings.




In accordance with one aspect of the invention, the carriage for a food slicer includes a tray for supporting a food product, the tray having a relatively flat portion and an upstanding side portion, a food gripping portion attached to the tray, a first handle attached to the upstanding side portion of the tray for moving the tray in a reciprocating motion and a second handle attached to the upstanding side portion of the tray, wherein the second handle is at a location apart from the first handle.




In a preferred embodiment of this invention, at least one of the handles extends at an angle with respect to the tray and is adjustable. The handles are preferably sufficiently long so as to be grasped by a user in a plurality of locations on each said handle. When one of the handles is not in use, a cap is provided to cover a handle attachment on the carriage. In addition, the carriage may include a hanger for holding the gripping portion when not in use.




In accordance with a second aspect of the invention, the carriage for a food slicer includes a tray for supporting a food product, a food gripping portion attached to the tray, at least one handle attached to the tray for moving the tray, a slide rod removably attached to the tray such that the food gripping portion is slidably received on the slide rod, wherein the slide rod can be attached to either of the opposing sides of the tray.




In a preferred embodiment, the carriage includes two threaded rod attachments on the tray to receive a slide rod, the first attachment being located on one side of the tray and the second attachment being located on the opposing side of the tray. In this manner, the tray may receive the slide rod on either opposed side. The threaded attachments are preferably capped when not in use. The carriage also includes a support handle for connecting the food grip to the slide rod. The support handle is slidably received on the slide rod on a through hole. The carriage may also include a handle support to which the slide rod may be attached, wherein the handle support is attached to the tray and two handles are attached to the support such that they are attached on the upstanding retaining wall of the tray.




Accordingly, it is an object of the present invention to provide a carriage which has two handles to provide for more gripping combinations, and wherein the carriage is adjustable to provide additional flexibility in operation.




Other objects and advantages of the present invention will be apparent from the following description, the accompanying drawings and the appended claims.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a top plan view of the carriage for a food slicer of the present invention;





FIG. 2

is front elevational view of the carriage of

FIG. 1

;





FIG. 3

is a left side elevational view of the carriage of

FIG. 1

;





FIG. 4

is an alternative embodiment of the carriage of the present invention having only one handle;





FIG. 5

is a front elevational view of the food grip support which is shown as part of the carriage of

FIGS. 1 and 4

;





FIG. 6

is a perspective view of the handle support portion of the carriage shown in

FIG. 1

; and





FIG. 7

is a view showing the slicer carriage of the present invention on a food slicer.











DETAILED DESCRIPTION




FIGS.


1


-


3


show a carriage for a food slicer generally designated


10


in accordance with the present invention. The carriage


10


is for use on a food slicer as shown in FIG.


7


. The food slicer shown in

FIG. 7

, generally designated


100


, is typically used for commercial slicing operations. It can be used for slicing meat, cheese, vegetables and other food products. The slicer includes a base


102


and motor driven circular slicing blade


104


having a peripheral cutting edge. The blade is mounted to the base


102


of the slicer and a motor rotates the slicing blade by means of a fixed-axis shaft. The carriage


10


is used to support the food product as it reciprocatingly traverses the blade. The carriage is reciprocatingly driven by hand or by a motor. To adjust the thickness of each food product slice, the machine preferably includes a gauge plate which is axially adjustable with respect to the plane of the blade. The slicer also preferably includes an adjustment knob


108


for adjusting the gauge plate.




The carriage


10


is supported on a carriage arm


110


. The arm is in turn supported by a transport which reciprocates along a track under the base


102


. The carriage


10


is either pivotally or removably attached to the slicer so that it may be removed or pivoted out of the way for cleaning or servicing. Once the carriage is moved away from the body of the slicer, the edge of the cutting blade is exposed. Therefore, an interlock is preferably provided which allows the user to move the carriage only if the gauge plate has been closed and the blade is covered.




The slicing blade is mounted so that it angles back slightly with respect to horizontal. The carriage is mounted perpendicular to the slicing blade. Therefore, the food product falls by means of gravity toward said blade when in the carriage. In this manner, when the food product in the carriage gets smaller, as it is being sliced, the product slides down the inclined carriage so that it is aligned to be sliced by the blade.




As shown in

FIG. 1

, the carriage includes a tray portion


12


for supporting the food product (not shown), a food gripping portion


14


and a handle portion


16


. The tray portion


12


includes a generally rectangular flat plate having ribs


18


to support the food product in a slightly elevated manner from the tray and an upstanding retaining wall


20


which intersects and forms an L cross-section with the flat tray


12


. The upstanding retaining wall


20


acts to contain the food product(not shown) to prevent it from sliding off of the tray. The upstanding portion


20


of the tray also includes ribs


18


. The tray portion


12


further includes attachments


19


to attach the carriage


10


to the carriage arm


110


. These attachments may be bolts which attach under the tray. The attachments should be recessed so that they do not extend onto the face of the plate. They should remain out of possible contact with the food product.




The food gripping portion


14


of the carriage includes a food grip


24


for holding the product so that the user may avoid contact with the food product, and a slide rod


26


for receiving the food grip. The slide rod has a threaded boss on one end and a rounded tip on the other. The threaded boss of the slide rod interconnects with a compatible threaded female portion


35


on the handle support


60


.




The food grip


24


is slidably mounted on this slide rod


26


by an intermediate food grip support


40


. This food grip support


40


is capable of easily sliding along slide rod


26


, such that as the quantity of the food product in the carriage decreases as it is being cut, the food grip is capable of sliding down the slide rod toward the cutting blade to stay in contact with the food product.




The slide rod


26


is shown on the left side of the carriage


10


in FIG.


1


. However, the carriage includes an alternative slide rod position


28


for optionally mounting the slide rod on the right side of the carriage


10


. When the slide rod is mounted in the alternative position


28


, it is preferable to use a shorter slide rod so that it does not interfere with use of the slicer. In this optional position, the carriage tray


12


includes a flange


29


. Flange


29


includes a section which is perpendicular to the tray and supports a second threaded bore


32


which is the female equivalent of threaded boss of the slide rod


26


. The slide rod can thereby be attached on the right side of the tray. To support the other end of the slide rod, a through hole


30


is provided through the top, right portion of the tray.




When this alternative slide rod position


28


is not being utilized, a cap


34


may be placed over the bore


32


. Similarly, when the alternative slide rod position


28


is being used, the cap may be placed over bore


35


. It will be apparent that when the secondary slide rod position


28


is used, a different food grip and food grip support will be required to direct the food grip forward on the tray.




As shown in

FIG. 5

, the food grip support


40


has a through hole


42


so that it is capable of being slidably mounted on the slide rod


26


. For enhanced movement, bushings


44


may be utilized within the bore in order to allow the food grip to rotate freely and “float” on the slide rod.

FIG. 5

shows the bushings


44


in the through hole


42


, such that the bushings are allowed to rotate freely in the through hole. The food grip support


40


further includes a second through hole


46


to receive the food grip


24


itself. The food grip comprises a shaft which fits through hole


46


. The shaft has a grip portion on one end thereof and a handle at the opposite end. The food grip


24


may rotate within the support


40


, which is itself rotatable about the slide rod


26


. Additionally, as shown in

FIG. 1

, the food grip preferably includes a plurality of teeth


48


that point toward the gauge plate to grip the food product as it is pushed toward the slicing knife and teeth


49


which point toward the tray shown in

FIG. 2

to hold the food product against the tray


12


. Food grip


24


also has a handle


50


for use in placing or lifting the food grip.




The carriage


10


of the present invention further comprises a handle support


60


located on the tray portion of the carriage closest to the knife blade. The handle support


60


, which is detailed in

FIG. 6

, may be mounted onto the carriage tray by weld nuts or other means. It is preferably mounted on the outside of the carriage so as to not interfere with the food product on the carriage. The support may alternately be attached by means of five screws


61


as shown in

FIG. 3

which go through holes


62


and


63


shown in

FIG. 6

, or any other suitable means as will be apparent to those of skill in the art. The support


60


includes a slicer handle attachment boss


64


, a threaded bore attachment


35


for receiving the threaded boss on the slide rod, and an extension


66


.




The carriage


10


includes at least one and preferably two handles so that the carriage can be reciprocated or moved into position for automatic slicing. Primary handle


80


is attached to the handle support


60


by a screw or other attaching means through a hole


82


in the center of the handle attachment boss


64


.




The primary handle


80


extends downwardly from the upstanding retaining wall


20


of the tray


12


. Handle


80


is preferably long enough that it can be gripped several places along its length. The handle


80


is further preferably located at a position which is comfortable to a majority of users without requiring a high degree of force to move the carriage. In addition, the handle


80


may have a textured outer surface to improve the friction with the user's hand.




As shown in

FIGS. 1 and 2

, the carriage


10


optionally includes a separate secondary handle


90


in addition to the primary handle


80


. The secondary handle


90


may be mounted on a secondary handle support


92


which is shown in FIG.


3


. The secondary handle support


92


is mounted at a distance from the first handle


80


further upwards on the upstanding retaining wall


20


of the tray


12


. The secondary handle is also preferably long enough to be grasped at a plurality of places, and may include a textured outer surface. When both the primary and secondary handles are mounted, the user may grasp either or both handles to move the carriage.




Preferably, the angle at which this second handle


90


extends is adjustable. The handle has a rib on its end facing support


92


which fits into one of three grooves


94


in the support


92


. However, in place of three adjustments, any number of adjustment positions, or adjusting means, may be utilized. The grooves


94


extend radially from a common axis. When its angle is shifted, the end of the handle remains in the same place, but the angle at which the grip extends may be altered. Therefore, the angular position at which the handle extends can be adjusted according to the preferences of a given user. When the angular position is selected, the handle is attached to the support


92


by a screw


95


or similar attachment. In addition, the first handle


80


may also be made angularly adjustable in a similar manner. When the second handle is not being used on the carriage, the hole on the support


92


can be capped


96


as shown in alternative carriage


10


′ of FIG.


4


.




Depending on the stature of the user, one of the handles may be more convenient than the other. In addition, each user will tend to take different positions during the slicing process. For example, when a user is changing the thickness of the slice, they will tend to bend over the slicing apparatus, looking over the top of the slicer to the platform where the food is collected to examine the amount of food sliced or its thickness. In this situation the user is enabled to grasp a different handle then when they are in a normal standing position.




The food grip


24


can be lifted away from the base of the carriage during the insertion of a new food product or cleaning of the slicer. In order to do this, the user grasps the handle


50


and rotates the grip support


40


along the slide rod axis


26


. As shown in

FIG. 3

the second handle support


92


also preferably includes a hanger


98


for the food grip


24


to rest when not in use. The food grip can rest on the hanger so that it is out of the way during the loading of the carriage or cleaning of the slicer.




The method of manually operating a slicer


100


including the carriage


10


of the present invention will now be disclosed. The user places a food product to be sliced on the carriage with the side to be sliced facing downward toward the slicing blade. The food grip


24


is grasped by the handle


50


and lifted from the hanger


98


. Then the grip support


40


is rotated around the slide rod


26


such that the teeth


48


of the grip


24


are placed against the food product. The user then starts the motor which activates the slicing blade


104


. The user grasps one of the handles


80


or


90


and reciprocates the carriage


10


back and forth across the slicer blade until the desired amount of food product has been cut. Then the motor is turned off, the food grip


24


is rotated out of the way, and the product is removed. If necessary, the carriage can then be removed or pivoted away from the slicing blade for cleaning or servicing.




In an automatic slicer, the method of use is similar to that described above for a manual slicer. However, in place of user-driven reciprocation, a motor drives the carriage. The automatic slicer may also control the system such that the carriage automatically terminates the slicing process after a preset number of slices have been cut or the preset total weight of the cut slices has been reached. The automatic control may also control the length of travel and/or speed of the carriage.




In view of the foregoing disclosure it will be apparent that the invention includes a carriage in which a slide rod can be alternatively positioned with respect to the food product; a handle support on which a secondary handle can be mounted and pivotably adjusted and a food grip which is freely pivotable about the slide rod by means of a linkage.




Having described the invention in detail and by reference to preferred embodiments thereof, it will be apparent that modifications and variations are possible without departing from the scope of the invention as defined in the appended claims.



Claims
  • 1. A carriage for a food slicer comprising:a tray for supporting a food product, said tray including first and second sides defining a length of said tray, each of said first and second sides having a threaded aperture positioned proximate thereto, and third and fourth sides defining a width of said tray, wherein each threaded aperture faces toward said fourth side of said tray; a slide rod having a threaded end removably attached to one of said threaded apertures and extending along the width of said tray from said third side of said tray toward said fourth side of said tray; a food gripping portion including a food grip and a support, the support slidably attached to said slide rod for sliding along a length thereof to adjust a position of the food grip relative to said third side of said tray, the support rotatably attached to said slide rod for rotating the food grip relative to said tray; a first handle extending from said tray; and a seconded handle attached to and extending from said tray at a distance from said first handle, wherein at least one of said handles is adjustable so that an angle of one of said handles relative to the other of said handles is adjustable.
  • 2. The carriage of claim 1 wherein each threaded aperture is located proximate to said third side of said tray.
  • 3. The carriage of claim 1 wherein said first and second handles each extend from the same one of said sides.
  • 4. The carriage of claim 1 wherein the tray further comprises a handle support positioned at said first side of said tray proximate to said third side thereof, one of said threaded apertures being located on said handle support.
  • 5. The carriage of claim 4 wherein said first handle is attached to said handle support.
  • 6. A multi-configuration carriage for a food slicer comprising:a tray for supporting a food product, said tray having a first threaded rod attachment at a first side thereof, the threaded rod attachment facing toward an opposing second side of said tray; a handle support attached to said tray proximate to said first side thereof, the handle support having a second threaded rod attachment facing toward the opposing second side of said tray; a slide rod having a threaded end and being removably attached to one of said first and second threaded rod attachments; an intermediate food grip support slidably received on said slide rod, said food grip support rotatable about said slide rod; a food grip attached to said intermediate food grip support; a first handle attached to said handle support; and a second handle attached to and extending from said tray at a distance from said first handle, wherein at least one of said handles is adjustable so that an angle of one of said handles relative to the other of said handles is adjustable.
CROSS-REFERENCE TO RELATED APPLICATION

This application claims priority to U.S. Provisional Application No. 60/023,987 filed Aug. 15, 1996.

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Provisional Applications (1)
Number Date Country
60/023987 Aug 1996 US