Buckles – buttons – clasps – etc. – Strap tighteners – Cam lever and loop
Patent
1996-01-19
1998-01-27
Cuomo, Peter M.
Buckles, buttons, clasps, etc.
Strap tighteners
Cam lever and loop
24 71J, 24265WS, 24656, A44C 500
Patent
active
057110565
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a connecting member for connecting a personal adornment band such as a watch band and a bracelet so as to form a loop, and more particularly to a buckle as a connecting member properly applicable for a personal adornment band having a small width such as a lady's bracelet and watch band.
BACKGROUND ART
FIG. 11 shows a conventional buckle for a watch band having a pair of push plates. A buckle 40 comprises a housing 41, a pair of push plates 42 slidably mounted in a housing space 43 formed in the housing 41 so as to be moved in the lateral direction with respect to the longitudinal direction of a watch band (not shown). The push plates 42 are the same in configuration and are disposed in symmetry with respect to a point of a center of the housing space 43. Each push plate 42 comprises an engaging hook 44 having a semi-circular shape and an upward slant, and disposed opposite to each other. Between the push plates 42, a pair of return springs 45 are provided on both sides with respect to the longitudinal direction of the push plates and disposed in point symmetry so as to outwardly urge the push plates. A pair of stopper pins 46 are pressed into holes formed in the housing, so that each stopper pin 46 is engaged with a groove 42a formed in the corresponding push plate 42. Each of the push plates 42 is stopped by the stopper pin 46 at a position where an end of the push plate is projected from the housing 41. Thus, the push plates are prevented from removing from the housing.
On an end of the buckle 40, a cylindrical connecting member 47 is formed. A cover (not shown) is pivotally mounted on the connecting member. The cover has a lock pin 21, as shown in FIG. 1, having a hemisphere head securely mounted on the underside of the cover. The lock pin 21 engages with the engaging hooks 44 of the respective push plates.
In such a buckle, the push plates and the return springs are arranged on a plane in the housing space and in symmetry with respect to the point of the center of the housing space. Accordingly, the width of the buckle becomes large. It is difficult to use such a wide buckle for a lady's band having a small width.
Therefore, an object of the present invention is to provide a buckle which has a small width, and a small size as a whole, nevertheless has a sufficient strength.
DISCLOSURE OF THE INVENTION
According to the present invention, there is provided a buckle for a personal adornment band comprising a housing having an opening at an upper portion and connected to an end of the personal adornment band, a pair of push plates provided in the housing so as to be moved in a lateral direction with respect to a longitudinal direction of said personal adornment band, a cover pivotally connected to an end of said housing, an engaging rod provided on a connecting link of the other end of the personal adornment band and held by the housing and the cover so as to connect both ends of the personal adornment band, characterized in that each of the push plates has a manipulating projection, an arm inwardly projected from said manipulating projection, and an engaging portion formed on an end of the arm, one of said push plates has an upper arm having a thickness of an upper half thickness of the push plate, the other push plate has a lower arm having a thickness of a lower half thickness of the push plate, the upper and lower arms are disposed in a same position in plane and overlapped with each other, spring means is provided between said push plates for urging each of said push plates in an outward direction, stopping means is provided for stopping each of said push plates urged by said spring means at a position where the manipulating projection of each push plate is projected from the housing, and a lock pin is secured to an underside of the cover to be engaged with said engaging portions of the push plates.
In an aspect of the present invention, the upper and lower arms of the push plates are disposed on the deflected sides of the push plates, the stopp
REFERENCES:
patent: 3665565 (1972-05-01), Kruger
patent: 4382318 (1983-05-01), Takimoto
patent: 4675955 (1987-06-01), Nakamura
patent: 4928359 (1990-05-01), Gagnebin
patent: 5191685 (1993-03-01), Aoki et al.
patent: 5305503 (1994-04-01), Yamagata
patent: 5313691 (1994-05-01), Hashimoto
Taguchi Hideo
Tashikie Junsuke
Citizen Watch Co. Ltd.
Cuomo Peter M.
Vu Stephen
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