Buckles – buttons – clasps – etc. – Zipper or required component thereof – Slider having specific configuration – construction,...
Reexamination Certificate
2002-03-12
2003-07-15
Sakran, Victor (Department: 3677)
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Slider having specific configuration, construction,...
C024S420000, C024S419000, C024S424000, C024S422000, C024S433000
Reexamination Certificate
active
06591464
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a zipper slide of a zip fastener and, more specifically, to a zipper slide of a zip fastener, which is assembled automatically, and reduced the cost of assembly, and the hook plate is stably engaged on the teeth of the zipper, and the locating plate is strongly fastened in the slide of the zipper slide.
2. Description of the Related Art
FIG. 1
shows a zipper slide of a zip fastener constructed according to the prior art. The zipper slide
1
comprises a slide
10
coupled to the interlocking teeth of zipper tapes, a hook plate
11
pivoted to the slide
10
by a rivet
111
, a pull-tab
13
coupled to the slide
10
for pulling by hand to close/open the interlocking teeth of the zipper tapes, and a elastic
12
fastened to one end of the hook plat
11
. The rivet
111
is pivoted to a middle part of the hook plate
11
. The hook plate
11
is turned about the rivet
111
, having a rear end supported on the spring
12
in a recessed hole in the slide
10
and a front end terminating in a hook
112
. When the user released the pull-tab
13
, the spring
12
imparts a pressure to the hook plate
11
, thereby causing the hook
112
to be forced inwardly through a hole in the slide
10
into engagement with the interlocked teeth of the zipper tapes to lock the zipper slide
1
. Because the rivet
111
must be set into position manually before riveting, an automatic machine cannot achieve the assembly process of the zipper slide
1
fully automatically. Further, the hook
112
of the hook plate
11
tends to be forced out of the interlocked teeth of the zipper tapes accidentally.
SUMMARY OF THE INVENTION
The present invention has been accomplished to provide a zipper slide of a zip fastener, which eliminates the aforesaid problem. It is one object of the present invention to provide a zipper slide of zip fastener, which is suitable for automatic fabrication with less labor. It is another object of the present invention to provide a zipper slide of a zip fastener, which is strongly fastened in the slide without loosening or sliding. To achieve this and other objects of the present invention, the zipper slide of a zip fastener comprises a slide, the slide having a front recessed hole, a rear through hole, and stop means in the front recessed hole, a hook plate, the hook plate having a front fulcrum positioned in the front recessed hole and a wedged rear hook for inserting into the rear through hole to engage the interlocking teeth of zipper tapes to which the slide is fastened, a elastic member adapted to force the hook plate into the front through hole, a pull-tab coupled to the hook plate, and a locating plate stamped into the front recessed hole to hold the elastic member and the hook plate in place, the locating plate having protruded portions engaged with the stop means of the slide.
REFERENCES:
patent: 3813736 (1974-06-01), Fukuroi
patent: 4679281 (1987-07-01), Ishii et al.
patent: 5544394 (1996-08-01), Yaguramaki
patent: 5625928 (1997-05-01), Terada et al.
patent: 5729874 (1998-03-01), Mizuno
patent: 5809622 (1998-09-01), Yaguramaki
patent: 5848455 (1998-12-01), Ikehara et al.
patent: 5884373 (1999-03-01), Kawamura
patent: 6314624 (2001-11-01), Lin
Rosenberg , Klein & Lee
Sakran Victor
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