Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...
Reexamination Certificate
1999-08-18
2001-02-13
Brittain, James R. (Department: 3626)
Buckles, buttons, clasps, etc.
Separable-fastener or required component thereof
Including member having distinct formations and mating...
C024S650000
Reexamination Certificate
active
06185797
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a belt buckle, and more particularly to a locking plate for a lift-control type belt buckle which automatically returns to its former position after each unlocking operation.
A regular belt buckle is generally comprised of a female buckle member and a male buckle member respectively fastened to the two distal ends of a belt, and a locking plate pivoted to the female buckle member for locking the male buckle member after insertion of the male buckle member into the female buckle member. In order to automatically return the locking plate to the locking position after each unlocking operation, a return spring is used. However, the use of such a return spring complicates the assembly process of the belt buckle and, simultaneously increases the manufacturing cost of the belt buckle.
SUMMARY OF THE INVENTION
The present invention has been accomplished under the circumstances in view. According to the present invention, the lift-control type belt buckle comprises a female buckle member and a male buckle member respectively fastened to two distal ends of a belt, and a locking plate pivoted to two upright blocks inside the female buckle for locking the male buckle member after insertion of the male buckle member into a receiving space defined within the male buckle member between the upright blocks, wherein the locking plate has two springy side arms respectively supported on a respective step inside the female buckle member and stopped against the upright blocks for automatically returning the locking plate to the locking position after each unlocking operation. Because the springy side arms are formed integral with the locking plate, the formation of the springy side arms neither complicates the assembly process of the belt buckle nor increases its manufacturing cost.
REFERENCES:
patent: 3328856 (1967-07-01), Jonas
patent: 4631784 (1986-12-01), Fildan
patent: 4924562 (1990-05-01), Pogharian
patent: 4937923 (1990-07-01), McEntire
patent: 4958416 (1990-09-01), Frishling
patent: 5431365 (1995-07-01), Hopkins
patent: 5435047 (1995-07-01), Colpo
patent: 5572771 (1996-11-01), Kelleghan
patent: 5832573 (1998-11-01), Howell
patent: 5920963 (1999-07-01), Chou
Hou Hung-Te
Kung Tsung-Min
Lan Chin-Kuo
Lin Wen-Chin
Brittain James R.
Bushnell , Esq. Robert E.
Taiwan Industrial Fastener Corporation
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