Locking assembly for a metal watchband

Details Locking assembly for a metal watchband Locking assembly for a metal watchband

1999-09-24

2001-10-30

Sakran, Victor N. (Department: 3626)

Buckles, buttons, clasps, etc.

Strap-end-attaching devices

Buckle connected

C024S0680AS, C024S0710ST

Reexamination Certificate

active

06308382

ABSTRACT:

FIELD OF THE INVENTION
The subject invention relates to a watch chain, particularly to metallic watch chain clasp assembly.
DESCRIPTION OF THE PRIOR ART
Conventionally, the structure of the clasp for a metallic watch chain is very complicated, involves a lot of parts, and is difficult to assemble and maintain. Therefore, there is a need to develop a metallic watch chain clasp assembly which has a simple structure, involves fewer components, and which is easy to produce and assemble, as well as easy to handle.
SUMMARY OF THE INVENTION
The object of the subject invention is to provide a clasp assembly for a metallic watch chain, which has a simple structure, involves fewer components, and which is easy to produce and assemble, as well as easy to handle.
To achieve the above object, the present invention provides a clasp assembly for a metallic watch chain, comprising: an inner bend plate, an outer bend plate, a clasp cap, screws and a shaft. Said inner bend plate can fit into the narrow groove of the outer bend plate. A convex clasp disposed on the inner bend plate corresponds and fits with a concave clasp disposed on the outer bend plate in shape, position and size, and the two clasps engage with each other. The lock and release of the convex and concave clasps cause the lock and release of the watch chain.
The advantages of the clasp assembly of the present invention lies in the simplicity of the structure. It consists of fewer components, and the structure of the components is simple, therefore, it is easy to manufacture and assemble, as well as easy to use.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will be better understood and its various objects and advantages will be more fully appreciated from the following detailed description in conjunction with the accompanying drawings, which are only for the purposes of reference and description and shall not be based to restrict or limit the subject invention, in which:
FIG. 1
is an exploded perspective view of the clasp assembly for a watch chain according to the an embodiment of the subject invention;
FIG. 2
is a perspective view of a watch including the clasp assembly of
FIG. 1
in a completely connected state;
FIG. 3
is an exploded perspective view of the bend plate of the clasp assembly for a watch chain according to the invention;
FIG. 4
is a structural view of the plate body of the inner bend plate of the clasp assembly for a watch chain according to the invention;
FIG. 5
is a partially enlarged view of the plate body of the inner bend plate of the clasp assembly for a watch chain according to the invention;
FIG. 6
is a plan view of the plate body of the inner bend plate of the clasp assembly for a watch chain according to the invention;
FIG. 7
is a structural view of the cylindrical body of the inner bend plate of the clasp assembly for a watch chain according to the invention;
FIG. 8
is a front view of the outer bend plate of the clasp assembly for a watch chain according to the invention;
FIG. 9
is a partially enlarged view of the outer bend plate of the clasp assembly for a watch chain according to the invention;
FIGS. 10A and 10B
are a plan view and a side view of the outer bend plate of the clasp assembly for a watch chain according to the invention;
FIG. 11
is a structural diagram of the screw of the clasp assembly for a watch chain according to the invention.


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