Buckle for a wristwatch

Information

  • Patent Grant
  • 6457216
  • Patent Number
    6,457,216
  • Date Filed
    Friday, June 29, 2001
    23 years ago
  • Date Issued
    Tuesday, October 1, 2002
    22 years ago
Abstract
A buckle for a watchband comprising a first arm having a first end and a second end, wherein the first end of the first arm is hingedly coupleable to first watchband portion; and a latch, the latch extending from a surface of the first arm; a second arm having a first end and a second end, wherein the first end of the second arm is hingedly coupled to the second end of the first arm, the second arm further having an aperture sized to permit the latch to pass therethrough when the first arm is rotated into a “surface to surface” alignment with the second arm; a shell, the shell being hingedly coupled to the second end of the second arm and hingedly coupleable to a second watchband portion; and a latching mechanism, coupled to the shell, wherein the latching mechanism comprises a backing plate having an aperture sized to permit the latch to pass therethrough; a locking plate, coupled to the backing plate and biased relative thereto, for engaging and latching the latch when the latch is passed through the aperture in the backing plate; wherein the locking plate is moveable in a engaging direction to engage and latch the latch within the latching mechanism and further, wherein the locking plate is moveable in a direction opposite the engaging direction to permit the latch to be delatched from the latching mechanism. In this way, the delatching of the latch from the latching mechanism permits at least the first end of the first arm to be moved in a direction away from the shell.
Description




BACKGROUND OF THE INVENTION




The present invention relates generally to wristwatches and in particular, to an improved construction of a wristwatch buckle that more reliably secures a wristwatch to a wrist.




Wristwatch foldover buckles are well known in the art. Most typically, such foldover buckles are used in connection with wristwatches that utilize a metal wriststrap. A metal foldover buckle most cosmetically and aesthetically integrates with such a particular style of wristwatch strap. However of course, as with the present invention, using a metal wriststrap is by way of example and not limitation.





FIG. 1

illustrates a conventional foldover buckle, generally indicated at


1


. Details of such a buckle will be omitted herein for brevity, as the function, construction and design thereof should be well known to someone skilled in the art. However, for purposes of identifying at least one significant distinction between the state of the art foldover metal buckles and the present invention, the following is set forth. Namely, foldover buckle


1


utilizes a “C-shaped” catch


2


. When arms


3


and


4


of buckle i are folded over for closure within shell


5


(see discussion below for detailed understanding of how a foldover buckle can be closed), “C-shaped” catch


2


will engage and “snap” onto the end of arm


4


which itself is hingedly coupled to shell


5


about a spring bar


6


which itself is the pivot point about which arm


4


rotates relative to shell


5


.




Undesirably, there are times when a banging or simple shaking of buckle


1


, when incorporated into a wristwatch, can cause catch


2


to unhook from the end of arm


4


. In this situation, buckle


1


will move towards the open position illustrated in FIG.


1


. The undesirable result is that the wristwatch may drop off the wrist or merely, but still inconveniently, catch


2


may need to be “reshaped” onto the end of arm


4


. That is, if catch


2


becomes disengaged with the end of arm


4


at the inopportune moment, there is the possibility that the wristwatch my slide or otherwise fall off the person's wrist thereby becoming broken or lost.




Accordingly, an improved foldover buckle construction for more reliably securing a wristwatch to a wrist is desired. The present invention overcomes the aforementioned deficiencies and provides the objectives and advantages set forth below.




OBJECTS AND SUMMARY OF THE INVENTION




Therefore, it is an object of the present invention to provide an improved foldover buckle for a wristwatch.




It is another object of the present invention to provide an improved foldover buckle that can be more reliably secured so as to more reliably secure a wristwatch to a user's wrist.




Still other objects and advantages of the invention will in part be obvious and will in part be apparent from the specification.




The invention accordingly comprises the features of construction, combination of elements and arrangement of parts that will be exemplified in the disclosure hereinafter set forth, and the scope of the invention will be indicated in the claims.




Generally speaking, the present invention is directed to an improved buckle for a watchband. In a preferred embodiment, the buckle comprises a first arm having a first end and a second end, wherein the first end of the first arm is hingedly coupleable to first watchband portion; and a latch, the latch extending from a surface of the first arm; a second arm having a first end and a second end, wherein the first end of the second arm is hingedly coupled to the second end of the first arm, the second arm further having an aperture sized to permit the latch to pass therethrough when the first arm is rotated into a “surface to surface” alignment with the second arm; a shell, the shell being hingedly coupled to the second end of the second arm and hingedly coupleable to a second watchband portion; and a latching mechanism, coupled to the shell, in which the latching mechanism preferably comprises a backing plate having an aperture sized to permit the latch to pass therethrough; a locking plate, coupled to the backing plate and biased relative thereto, for engaging and latching the latch when the latch is passed through the aperture in the backing plate. Constructed in this manner, the locking plate is moveable in a engaging direction to engage and latch the latch within the latching mechanism and is moveable in a direction opposite the engaging direction to permit the latch to be delatched from the latching mechanism, whereby the delatching of the latch from the latching mechanism permits at least the first end of the first arm to be moved in a direction away from the shell.




In a particular embodiment, the latch comprises a shaft and a head, and the locking plate includes an aperture sized to permit the head of the latch to pass therethrough, the locking plate further comprising a finger for engaging the head of the latch when the head of the latch is passed through the aperture in the locking plate. In a preferred construction, the locking plate is rotatably mounted to the backing plate. A spring preferably biases the locking plate relative to the backing plate and exerts a spring force upon the locking plate so as to bias the locking plate in the engaging direction.




A wristwatch comprising the aforementioned buckle is also provided herein.











BRIEF DESCRIPTION OF THE DRAWINGS




For a fuller understanding of the invention, reference is made to the following description taken in connection with the accompanying drawings, in which:





FIG. 1

is a side elevational view of a foldover buckle constructed in accordance with the prior art;





FIG. 2

is a side elevational view of a foldover buckle constructed in accordance with the present invention;





FIG. 3

is a top plan view of the foldover buckle illustrated in

FIG. 2

;





FIG. 4

is a top plan view of a portion of the foldover buckle constructed in accordance with the present invention, in which a locking plate is illustrated in the foreground with a backing plate therebehind and the spring being clearly illustrated;





FIG. 5

is another top plan view of a portion of the foldover buckle constructed in accordance with the present invention, again with the locking plate being illustrated in the foreground and the backing plate therebehind, along with other details for a fuller understanding of the present invention;





FIG. 6

is a top plan view of the backing plate constructed in accordance with the present invention;





FIG. 7

is a cross-sectional view of the buckle constructed in accordance with the present invention;





FIG. 8

is a perspective view of the locking plate illustrated in

FIG. 4

;





FIG. 9

is a bottom plan view of

FIG. 4

;





FIG. 10

is a bottom plan view of

FIG. 5

; and





FIG. 11

is a top plan view of a wristwatch comprising a buckle constructed in accordance with the present invention.




Identically labeled elements appearing in different ones of the above-described figures refer to the same elements but may not be referenced in the description for all figures.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS




Reference will now be made to the figures wherein a foldover buckle including a latching mechanism, and a wristwatch incorporating at least the foregoing, all as constructed in accordance with the present invention, is disclosed. Reference to the particular figures where appropriate will be set forth.




In accordance therewith and generally speaking, reference is first made to

FIGS. 2 and 3

wherein a foldover buckle, generally indicated at


8


, constructed in accordance with the present invention, is disclosed. In particular, illustrated in

FIGS. 2 and 3

is a first arm


10


, a second arm


12


and a shell


14


. First arm


10


has a first end


11


and a second end


13


, wherein first end


11


of first arm


10


is hingedly coupleable to first watchband portion (an exemplary link “L” which would be understood to be preferably linked to a plurality of similar links (see FIG.


11


)). A latch, generally indicated at


22


, the function of which will be explained below, can be seen to extend from a surface of first arm


10


. In a preferred embodiment, latch


22


can be riveted, welded, soldered or attached to first arm


10


in any number of ways, all within the purview of one skilled in the art.




A second arm


12


, itself having a first end


15


and a second end


17


, is hingedly coupled to first arm


10


by the coupling of first end


15


of second arm


12


to second end


13


of first arm


10


. The hinge therebetween most preferably includes a pin


18


. For reasons that will become clear below, second arm


12


includes an aperture


19


sized to permit latch


22


to pass therethrough when first arm


10


is rotated into a “surface to surface” alignment with second arm


12


. A shell


14


is hingedly coupled to second end


17


of second arm


12


. When fully constructed as part of a wristwatch, shell


14


will also be hingedly coupled to a second watchband portion (FIG.


11


). Aperture


14




c


, with a similar aperture also being on the nonviewable side of shell


14


in

FIG. 2

, is sized for the springbar of such a second watchband portion.




For purposes of better appreciating the construction and function of the latching mechanism described in greater detail below, an understanding of the relative movement of arms


10


and


12


will first be explained. Specifically, as with conventional foldover buckles, first arm


10


is arcuate so as to define an inner surface


10




i


and an outer surface


10




o


. As is clear, latch


22


extends outwardly from outer surface


10




o


. Similarly, second arm


12


is arcuate so as to define an inner surface


12




i


and an outer surface


12




o


. In the preferred embodiment, second arm


12


is hingedly coupled proximate an end of shell


14


. As can be seen in the side surfaces of shell


14


, apertures appear as in conventional shells of foldover buckles. These apertures receive springbars or pins, similar to pin


20


, therethrough. In this way, along with removing links such as one or more links “L”, the watchband can be shortened or lengthened. This should be clear to one skilled in the art. In order for arms


10


and


12


to be in what has been coined herein as “surface to surface” alignment, the following occurs when the buckle


8


moves towards its locked position (

FIG. 2

illustrates the opened position).




Namely, first end


15


of second arm


12


is rotated in the direction indicated by arrow “x” in

FIG. 2

relative to second end


17


of second arm


12


which remains hinged to shell


14


, while first end


11


of first arm


10


is rotated in the direction indicated by arrow “y” (

FIG. 1

) relative to first end


15


of second arm


12


which remains hinged to second end


13


of first arm


10


. This results in the outer surface


12




o


of second arm


12


to rotate in direction “x” towards shell


14


(see FIG.


7


), the outer surface


10




o


of first arm


10


to move in the direction “y” towards and align with inner surface


12




i


of second arm


12


, and latch


22


to move towards and pass through aperture


19


in second arm


12


as latch


19


moves towards shell


14


. In this way, arms


10


and


12


are in “surface to surface” alignment (see FIG.


7


). A raised channel


28


and a corresponding recessed channel


30


may be provided in arms


10


and


12


(or visa versa), respectively, to assist in maintaining a secured “surface to surface” alignment. These channels are known the art and immaterial to the present invention.




Reference is now made to

FIGS. 4-10

in connection with the following for an understanding of the latching mechanism, generally indicated at


45


, constructed in accordance with the present invention. In particular, the three element construction of latching mechanism


45


comprises a backing plate, generally indicated at


50


; a locking plate, generally indicated at


60


, and a biasing member


70


, in the preferred embodiment biasing member being a spring. It is only a matter of convenience that latch


22


is not disclosed in connection with latching mechanism


45


, as latch


22


may of course be considered part of latching mechanism


45


.




Backing plate


50


includes an aperture


51


sized to permit latch


22


to pass therethrough. Backing plate


50


includes folded over grasping members for rotatably holding springbars


46


and


47


. The proper bending of backing plate


50


can form the properly dimensioned grasping members. Backing plate


50


is coupled to shell


14


by the insertion of springbars


46


and


47


in respective apertures


14




a


and


14




c


(FIG.


2


). Locking plate


60


is coupled to the backing plate via a center tab


52


on backing plate


50


. Locking plate


60


engages and latches latch


22


when latch


22


is passed through aperture


51


in backing plate


50


. Locking plate


60


is biased relative to backing plate


50


by use of biasing member


70


. As will be explained below, locking plate


60


is moveable in a engaging direction (see arrow “ccw” in

FIG. 4

) to engage and latch


22


within latching mechanism


45


and further is moveable in a direction opposite the engaging direction (see arrow “cw” in

FIG. 4

) to permit latch


22


to be delatched from latching mechanism


45


. As will be shortly understood, the delatching of latch


22


from latching mechanism


45


permits at least first end


11


of first arm


10


to be moved in a direction away from shell


14


towards an open position (FIG.


2


).




Latch


22


comprises a shaft


26


and a head


24


such that head


24


preferably has a greater width than shaft


26


. Of course a notch in latch


22


will provide the operable function and will delineate a head and shaft as disclosed herein.




Locking plate


60


also includes an aperture


61


sized to permit at least head


24


of latch


22


to pass therethrough. Locking plate


60


further comprising a finger


62


that may extend slightly into aperture


61


for engaging head


24


of latch


22


when head


24


of latch


22


is passed through aperture


61


in the locking plate. Finger


62


may also be bent slightly in a direction out of the paper as viewed in FIG.


8


.




As can be seen, locking plate


60


is preferably rotatably mounted to backing plate


50


(as it is mounted on tab


52


of backing plate


50


). In this way, when locking plate


60


rotates in the direction opposite the engaging direction (i.e. when it rotates in direction “cw”), head


24


of latch


22


is passable by finger


62


of locking plate


60


, and when locking plate


60


rotates back in the engaging direction (i.e. in direction “ccw”), finger


62


engages head


24


of latch


22


thereby latching latch


22


in latching mechanism


45


.




It should be pointed out that other constructions are contemplated herein, and the claims are intended to cover such alternatives. As one example, it should now be understood that locking plate


60


may be a “push plate” relative to locking plate


50


. That is, locking plate


60


need not be rotatably mounted on backing plate


50


but rather only spring mounted on so that a pushing action latches and delatches latch


22


from an equivalent locking plate. The push plate would be spring biased relative to the equivalent backing plate.




In the preferred embodiment, backing plate


50


comprises a stopper


53


that will extend through aperture


61


in locking plate


60


(i.e. out of the paper as viewed in

FIG. 6

) when locking plate


60


is mounted on backing plate


50


. Stopper


53


hits an edge “e” of aperture


61


and prevents the unnecessary overrotation of locking plate


60


in the direction opposite the engaging direction (i.e. in the “cw” direction) and prevents an overbiasing of locking plate


60


relative to backing plate


50


. That is, spring


70


should not get overly compressed.




That is, latching mechanism


45


comprises spring


70


to bias locking plate


60


relative to backing plate


50


. The spring force upon locking plate


60


biases locking plate


60


in the engaging direction (“ccw” direction). To this end, locking plate


60


preferably comprises a second aperture


63


therethrough and a tab


64


proximate an edge of aperture


63


while backing plate


50


comprises a tab


54


extending through aperture


63


, again, when plate


60


is mounted on backing plate


50


. In this way, spring


70


is disposed intermediate tab


54


of backing plate


50


and tab


64


of locking plate


60


so as to bias locking plate


60


in the (“ccw”) engaging direction. Tab


54


may be formed by bending back a cut-out section in backing plate


50


(note aperture


55


formed thereby in

FIGS. 6

,


10


). It should be understood that tabs


54


and


64


should be seen to be coming out of the page in FIG.


5


. Also, it should be understood that a channel


65


is formed in locking plate


60


(note consistency between

FIGS. 4

,


7


,


8


).




As illustrated in

FIG. 7

, among others, locking plate


60


is intermediate backing plate


50


and the internal cavity of shell


14


.




To facilitate the rotation of locking, plate


60


, integrally formed wings


67


,


68


extending outwardly therefrom are provided. Wings


67


,


68


preferably include knurled outer surfaces and extend sufficiently outwardly from the sides of backing plate


50


sufficient for engagement by a user's fingers. In this way, when head


24


of latch


22


is engaged by finger


62


of locking plate


60


, the rotation of locking plate


60


by the wings


67


,


68


thereof in a (“cw”) direction opposite the (“ccw”) engaging direction causes locking plate


60


to rotate causing finger


62


to disengage from latch


22


. Latch


22


may then be removed from latching mechanism


45


. Backing plate


50


may comprise integrally formed sides


56


,


57


that extend outwardly therefrom almost as far outwardly as wings


67


,


68


. This will provide added stability to locking plate


60


.




As set forth above, backing plate


50


comprises a first end for retaining spring bar


46


and a second end for retaining a second spring bar


47


. Backing plate


50


is coupled to shell


14


by the securing of first and second spring bars


46


and


47


in apertures


14




a


and


14




c


, respectively, and their respective counterpart apertures (not shown) on the other side of shell


14


.




Reference is once again made to

FIG. 10

so as to ensure a complete understanding of the construction of the present invention. In particular, shell


14


with latching mechanism (not shown since it is on the underside of shell


14


) is shown. Also shown are two separate watchstrap portions


74


and


76


comprising a plurality of links “L.” It should be understood that there will be more links “L” in each portion


74


and


76


so as to fit around a user's wrist. Also a watchhead


78


completes a wristwatch


80


constructed in accordance with the present invention. An exemplary watchhead comprising timekeeping functionality and a first end and a second end for respectively being coupled to the ends of the watchstrap portions


74


and


76


, is illustrated in U.S. Pat. No. 5,305,291, the disclosure of which is incorporated by reference as if fully set forth herein. In this manner, it should be clear that an entire wristwatch is fully disclosed.




In operation, wristwatch


80


is slipped onto a wrist. Buckle


8


will be in the open position as illustrated in

FIG. 2

so as. to get wristwatch


80


around one's wrist. Next, arms


10


,


12


are moved into “surface to surface” alignment as disclosed above, causing latch


22


to pass through the aperture in arm


12


. As latch


22


passes aperture


51


in backing plate


50


, it will contact finger


62


on locking plate


60


. A user can, if desired, rotate locking plate in the “cw” direction so as to move finger


62


out of the way to allow head


24


of latch


22


to pass thereby. Alternatively, and more preferably, a user will just put pressure on arm


10


relative to shell


14


so as to forceably cause finger


62


to move out of the way of latch


22


by the force of head


24


against finger


62


as head


24


is sliding by finger


62


. In this way, finger


62


is, rotatably moved out of latching engagement with latch


22


. Once head


24


passes finger


62


, locking plate


60


will “snap” back into latching engagement with latch


22


by way of the biasing of locking plate


60


relative to backing plate


50


. A head as shown on latch


22


of

FIG. 2

works well for this purpose.




Latch


22


is now releasably locked (or latched) in latching mechanism


45


.




To detach latch


22


from latching mechanism


45


, a user causes the rotation of locking plate


60


in the “cw” direction by the grabbing and rotation of wings


67


,


68


. In this way, finger


62


disengages from latch


22


. At this time, arm


10


may be pulled away from shell


14


so as to allow buckle


8


to open (FIG.


2


). Wristwatch


80


may thereafter be slipped off a user's wrist.




It will thus be seen that the objects set forth above, among those made apparent from. the preceding description, are efficiently attained and, since certain changes may be made in the above constructions without departing from the spirit and scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense. For example, buckle


8


is preferably made of metal. Watchstrap portions


74


and


76


are also preferably made of metal although other material, such as leather, if desired, may be used.




While the invention has been particularly shown and described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that changes in form and details may be made therein without departing from the scope and spirit of the invention.



Claims
  • 1. A buckle for a watchband, the buckle comprising:a first arm having a first end and a second end, wherein the first end of the first arm is hingedly coupleable to a first watchband portion; and a latch, the latch extending from a surface of the first arm; a second arm having a first end and a second end, wherein the first end of the second arm is hingedly coupled to the second end of the first arm, the second arm further having an aperture sized to permit the latch to pass therethrough when the first arm is rotated into a surface-to-surface alignment with the second arm; a shell, the shell being hingedly coupled to the second end of the second arm and hingedly coupleable to a second watchband portion; and a latching mechanism, coupled to the shell, wherein the latching mechanism comprises: a backing plate, having an aperture sized to permit the latch to pass therethrough; a locking plate, rotatably mounted and positioned intermediate the backing plate and an inner cavity of the shell, the locking plate including an aperture sized to permit a head of the latch to pass therethrough, the locking plate further comprising a finger for engaging the head of the latch when the head of the latch is passed through the aperture in the locking plate; wherein when the locking plate rotates in an engaging direction the finger engages the head of the latch to latch the latch in the latching mechanism and when the locking plate is rotated in a direction opposite the engaging direction the head of the latch is passable by the finger to permit the latch to be delatched from the latching mechanism; whereby the delatching of the latch from the latching mechanism permits at least the first end of the first arm to be moved in a direction away from the shell.
  • 2. The buckle as claimed in claim 1, wherein the locking plate includes wings extending outwardly from the backing plate sufficient for engagement by a user's fingers;whereby when the head of the latch is engaged by the finger of the locking plate, the rotation of the locking plate via the wings thereof in a direction opposite the engaging direction causes the locking plate to rotate in the direction opposite the engaging direction causing the finger to disengage from the latch.
  • 3. The buckle as claimed in claim 1, wherein the locking plate is biased relative to the backing plate.
  • 4. The buckle as claimed in claim 3, wherein the backing plate comprises a stopper, the stopper extending through the aperture in the locking plate, the stopper for preventing unnecessary overrotation of the locking plate in the direction opposite the engaging direction and for preventing overbiasing of the locking plate relative to the backing plate.
  • 5. The buckle as claimed in claim 3, further comprising a spring to bias the locking plate relative to the backing plate;wherein the spring exerts a spring force upon the locking plate so as to bias the locking plate in the engaging direction.
  • 6. The buckle as claimed in claim 5,wherein the locking plate comprises: a second aperture therethrough; and a tab proximate an edge of the second aperture; and the backing plate comprises a tab extending through the second aperture; wherein the spring is disposed intermediate the tab of the backing plate and the tab of the locking plate so as to bias the locking plate in the engaging direction.
  • 7. A buckle for a watchband, the buckle comprising:a first arm having a first end and a second end, wherein the first end of the first arm is hingedly coupleable to a first watchband portion; and a latch, the latch extending from a surface of the first arm; a second arm having a first end and a second end, wherein the first end of the second arm is hingedly coupled to the second end of the first arm, the second arm further having an aperture sized to permit the latch to pass therethrough when the first arm is rotated into a surface-to-surface alignment with the second arm; a shell, the shell being hingedly coupled to the second end of the second arm and hingedly coupleable to a second watchband portion; and a latching mechanism, coupled to the shell, wherein the latching mechanism comprises: a backing plate, releasably secured to the shell, having an aperture sized to permit the latch to pass therethrough; a locking plate, for engaging and latching the latch when the latch is passed through the aperture in the backing plate; wherein the locking plate is moveable in an engaging direction to engage and latch the latch within the latching mechanism and further, wherein the locking plate is moveable in a direction opposite the engaging direction to permit the latch to be delatched from the latching mechanism; whereby the delatching of the latch from the latching mechanism permits at least the first end of the first arm to be moved in a direction away from the shell.
  • 8. The buckle as claimed in claim 7, wherein the backing plate comprises:a first end for retaining a first spring bar and a second end for retaining a second spring bar; wherein the backing plate is releasably secured to the shell by the securing of the first and second spring bars in apertures of the shell.
  • 9. The buckle as claimed in claim 7, wherein the locking plate is intermediate the backing plate and an internal cavity of the shell and wherein the locking plate is retained intermediate the backing plate and the internal cavity of the shell at least in part by the backing plate.
  • 10. The buckle as claimed in claim 9, wherein:the first arm is arcuate so as to define an inner surface and an outer surface, the latch extending from the outer surface thereof; the second arm is arcuate so as to define an inner surface and an outer surface; and the second arm is hingedly coupled proximate an end of the shell; such that the first arm and the second arm are in surface-to-surface alignment and the latch moves towards the latching mechanism for being latched therein when: the first end of the second arm is rotated in one of a clockwise and counterclockwise direction relative to the second end of the second arm which remains hinged to the shell, and the first end of the first arm is rotated in the other of the counterclockwise or clockwise direction relative the first end of the second arm which remains hinged to the second end of the first arm so as to cause (a) the outer surface of the second arm to rotate towards the latching mechanism (b) the outer surface of the first arm to move towards and align with the inner surface of the second arm and (c) the latch to pass through the aperture in the second arm as it moves towards the backing plate of the latching mechanism.
  • 11. A latching mechanism for a watchband buckle, wherein the buckle couples a first watchband portion to a second watchband portion and wherein an end of each respective watchband portion is coupleable to a watchhead, and wherein the buckle comprises a first arm having a first end and a second end wherein the first end of the first arm is hingedly coupleable to the end of the first watchband portion opposite the end thereof that is coupleable to the watchhead, a second arm having a first end and a second end wherein the first end of the second arm is hingedly coupled to the second end of the first arm and wherein the second arm further has an aperture sized to permit a latch to pass therethrough when the first arm is rotated into a surface-to-surface alignment with the second arm, and a shell that is hingedly coupled to the second end of the second arm and hingedly coupleable to the end of the second watchband portion opposite the end thereof that is coupleable to the watchhead, wherein the latching mechanism, being coupleable to the shell, comprises:a latch extending from a surface of the first arm; a backing plate, releasably secured to the shell, having an aperture sized to permit the latch to pass therethrough; a locking plate for engaging and latching the latch when the latch is passed through the aperture in the backing plate, the locking plate positioned intermediate an inner cavity of the shell and the backing plate and retained in the latching mechanism at least in part by the releasable securing of the backing plate to the shell; wherein the locking plate is moveable in an engaging direction to engage and latch the latch within the latching mechanism and further, wherein the locking plate is moveable in a direction opposite the engaging direction to permit the latch to be delatched from the latching mechanism; whereby the delatching of the latch from the latching mechanism permits at least the first end of the first arm to be moved in a direction away from the shell.
  • 12. The latching mechanism as claimed in claim 11, wherein the latch comprises a shaft and a head, and wherein the head has a greater width than the shaft; andwherein the locking plate includes an aperture sized to permit the head of the latch to pass therethrough, the locking plate further comprising a finger for engaging the head of the latch when the head of the latch is passed through the aperture in the locking plate.
  • 13. The latching mechanism as claimed in claim 12, wherein the locking plate is rotatably mounted and biased relative to the backing plate; andwherein when the locking plate rotates in the direction opposite the engaging direction, the head of the latch is passable by the finger and when the locking plate rotates back in the engaging direction, the finger engages the head of the latch thereby latching the latch in the latching mechanism.
  • 14. The latching mechanism as claimed in claim 13, further comprising a spring to bias the locking plate relative to the backing plate;wherein the spring exerts a spring force upon the locking plate so as to bias the locking plate in the engaging direction.
  • 15. The latching mechanism as claimed in claim 14,wherein the locking plate comprises: a second aperture therethrough; and a tab proximate an edge of the second aperture; and the backing plate comprises a tab extending through the second aperture; wherein the spring is disposed intermediate the tab of the backing plate and the tab of the locking plate so as to bias the locking plate in the engaging direction.
  • 16. The latching mechanism as claimed in claim 1, wherein the backing plate comprises:a first end for retaining a first spring bar and a second end for retaining a second spring bar, the backing plate being coupled to the shell by the securing of the first and second spring bars in apertures of the shell; and the locking plate being positioned intermediate the backing plate and the internal cavity of the shell.
  • 17. A buckle for a watchband, the buckle comprising:a first arm having a first end and a second end, a second arm having a first end and a second end, wherein the first end of the second arm is hingedly coupled to the second end of the first arm, the second arm further having an aperture sized to permit a latch to pass therethrough when the first arm is rotated into a surface-to-surface alignment with the second arm; a shell, the shell being hingedly coupled to the second end of the second arm; and a latching mechanism, coupled to the shell, wherein the latching mechanism comprises: a latch extending from a surface of the first arm; a backing plate releasably securable to the shell, having an aperture sized to permit the latch to pass therethrough; a locking plate for engaging and latching the latch when the latch is passed through the aperture in the backing plate, the locking plate positioned intermediate an inner cavity of the shell and the backing plate and retained in the latching mechanism at least in part by the releasable securing of the backing plate to the shell; wherein the locking plate is moveable in an engaging direction to engage and latch the latch within the latching mechanism and further, wherein the locking plate is moveable in a direction opposite the engaging direction to permit the latch to be delatched from the latching mechanism; whereby the delatching of the latch from the latching mechanism permits at least the first end of the first arm to be moved in a direction away from the shell.
  • 18. A buckle for a watchband, the buckle comprising:a first arm having a first end and a second end, wherein the first end of the first arm is hingedly coupleable to first watchband portion; and a latch, the latch extending from a surface of the first arm; a second arm having a first end and a second end, wherein the first end of the second arm is hingedly coupled to the second end of the first arm, the second arm further having an aperture sized to permit the latch to pass therethrough when the first arm is rotated into a surface-to-surface alignment with the second arm; a shell, the shell being hingedly coupled to the second end of the second arm and hingedly coupleable to a second watchband portion; and a latching mechanism, coupled to the shell, wherein the latching mechanism comprises: a backing plate releasably securable to the shell, having an aperture sized to permit the latch to pass therethrough; means intermediate an inner cavity of the shell and the backing plate, for engaging and latching the latch when the latch is passed through the aperture in the backing plate, wherein the means is moveable in a engaging direction to engage and latch the latch within the latching mechanism and further moveable in a direction opposite the engaging direction to permit the latch to be delatched from the latching mechanism; whereby the delatching of the latch from the locking mechanism permits at least the first end of the first arm to be moved in a direction away from the shell.
  • 19. The buckle as claimed in claim 18, wherein the means is intermediate the backing plate and an internal cavity of the shell and wherein the means is retained intermediate the backing plate and the internal cavity of the shell at least in part by the backing plate.
  • 20. The buckle as claimed in claim 19, wherein the backing plate comprises:a first end for retaining a first spring bar and a second end for retaining a second spring bar; wherein the backing plate is releasably secured to the shell by the securing of the first and second spring bars in apertures of the shell.
  • 21. A wristwatch comprising:a watchhead having a first end and a second end; a first strap portion having a first end and a second end, wherein the first end of the first strap portion is coupled to the second end of the watchhead; a second strap portion having a first end and a second end, wherein the second end of the second strap portion is coupled to the first end of the watchhead; a first arm having a first end and a second end, wherein the first end of the first arm is coupled second end of the first strap portion; a second arm having a first end and a second end, wherein the first end of the second arm is coupled to the second end of the first arm, the second arm further having an aperture sized to permit a latch to pass therethrough when the first arm is rotated into a surface-to-surface alignment with the second arm; a shell, the shell being coupled to the second end of the second arm and to the first end of the second strap portion; and a latching mechanism, coupled to the shell, wherein the latching mechanism comprises: a latch extending from a surface of the first arm; a backing plate releasably securable to the shell, having an aperture sized to permit the latch to pass therethrough; a locking plate, positioned intermediate the backing plate and the internal cavity of the shell, for engaging and latching the latch when the latch is passed through the aperture in the backing plate; wherein the locking plate is moveable in an engaging direction to engage and latch the latch within the latching mechanism and further, wherein the locking plate is moveable in a direction opposite the engaging direction to permit the latch to be delatched from the latching mechanism; whereby the delatching of the latch from the latching mechanism permits at least the first end of the first arm to be moved in a direction away from the shell.
  • 22. The wristwatch as claimed in claim 21, wherein the first end of the first strap portion is hingedly coupled to the second end of the watchhead; the second end of the second strap portion is hingedly coupled to the first end of the watchhead; the first end of the first arm is hingedly coupled second end of the first strap portion; the first end of the second arm is hingedly coupled to the second end of the first arm; and the shell is hingedly coupled to the second end of the second arm and hingedly coupled to the first end of the second strap portion.
  • 23. The buckle as claimed in claim 21, wherein the locking plate is intermediate the backing plate and an internal cavity of the shell and wherein the locking plate is retained intermediate the backing plate and the internal cavity of the shell at least in part by the backing plate.
  • 24. The buckle as claimed in claim 7 wherein the backing plate comprises:a first end for retaining a first spring bar and a second end for retaining a second spring bar; wherein the backing plate is releasably secured to the shell by the securing of the first and second spring bars in apertures of the shell.
US Referenced Citations (4)
Number Name Date Kind
5305503 Yamagata Apr 1994 A
5485659 Kashilie et al. Jan 1996 A
5787554 Hashimoto Aug 1998 A
6023816 Okada et al. Feb 2000 A