Slide structure for zipper

Details Slide structure for zipper Slide structure for zipper

2001-01-05

2002-08-27

Sakran, Victor (Department: 3677)

Buckles, buttons, clasps, etc.

Zipper or required component thereof

Including complementary, aligning means attached to ends of...

C024S419000, C024S429000, C024S420000

Reexamination Certificate

active

06438806

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a slide structure for zipper, which has light weight, less material use while keeping sufficient strength.
BACKGROUND OF THE INVENTION
FIG. 1
shows a prior art slide structure for a zipper, the slide structure comprises a slide body
10
a
and a pulling tab
11
a
pivotally arranged on the slide body
10
a
. By operating the tab
11
a
to move the slide body
10
a
, the zipper can be opened or closed.
Moreover, an elastic plate
12
a
is arranged on the slide body
10
a
and has a locking part
13
a
. The locking part
13
a
can penetrate, from topside of the slide body
10
a
, into the inner part of the slide body
10
a
, thus clamping the position of the slide body
10
a
on the zipper. When the tab
11
a
is not pulled, the position of the slide body
10
a
is clamped. Therefore, the slide with such structure has self-locking function.
However, the slide with above-mentioned structure is generally made of zinc alloy by die-casting. To ensure sufficient structural strength, the slide body
10
a
should have enough thickness. Therefore, the slide body
10
a
is not sufficiently compact and light-weight to meet practical requirement.
SUMMARY OF THE INVENTION
It is an object of the invention to provide a slide structure for zipper, which has light weight, less material use while keeping sufficient strength.
To achieve above object, the slide structure for zipper according to the present invention has a slide body and a tab. The slide body has two sliding groove and has rounded concave groove on at least one surface thereof. The tab has a pivotal end on one side thereof and pivotally connected to top of the slide body.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing, in which:


REFERENCES:
patent: 2261133 (1941-11-01), Grant
patent: 3368249 (1968-02-01), Fukuroi
patent: 3820203 (1974-06-01), Takamatsu
patent: 4823447 (1989-04-01), Akashi
patent: 5195221 (1993-03-01), Kanamaru et al.
patent: 5729874 (1998-03-01), Mizuno
patent: 5809622 (1998-09-01), Yaguramaki
patent: 5901420 (1999-05-01), Oda
patent: 5970586 (1999-10-01), Demel et al.
patent: 0769468 (1957-03-01), None

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