Buckles – buttons – clasps – etc. – Zipper or required component thereof – Slider having specific configuration – construction,...
Reexamination Certificate
2001-12-31
2003-07-08
Sakran, Victor (Department: 3677)
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Slider having specific configuration, construction,...
C024S419000, C024S416000, C024S429000, C024S426000, C024S436000
Reexamination Certificate
active
06588072
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a zip fastener and, more specifically, to zipper slide for zip fastener, which has means to guide movement of the slide on zipper tapes.
2. Description of the Related Art
FIG. 1
shows a zipper slide constructed according to the prior art. The zipper slide comprises a slide
10
a
coupled to the interlocking teeth
20
a
of zipper tapes, a pull tab
11
a
coupled to the slide
10
a
for pulling by hand to close/open the interlocking teeth
20
a
of the zipper tapes. The zipper slide further comprises a spring plate
12
a
fastened to the slide
10
a
. The spring plate
12
a
has a rear retaining portion
13
a
inserted through a hole in the top wall of the slide
10
a
and forced by the spring power of the spring plate
12
a
into engagement with the interlocking teeth
20
a
of the zipper tapes. When pulling to the pull tab
11
a
to move the slide
10
a
, the rear retaining portion
13
a
is disengaged from the interlocking teeth
20
a
of the zipper tapes so that the slide
10
a
can be moved with the pull tab
11
a
to along the zipper tapes to close/open the interlocking teeth
20
a
. This structure of zipper slide is still not satisfactory in function. Because the zipper tapes tend to be wrinkled with the fabric of the object in which the zip fastener is installed, the slide
10
a
may be jammed in the interlocking teeth of the zipper tapes when pulling the pull tab
11
a.
SUMMARY OF THE INVENTION
The present invention has been accomplished to provide a zipper slide, which eliminates the aforesaid problem. It is one object of the present invention to provide a zipper slide, which has means to guide movement of the slide on the zipper tapes and to keep the zipper tapes in a smooth manner when pulling the sipper slide to close/open the interlocking teeth of the zipper tapes. To achieve this and other objects of the present invention, the zipper slide comprises a slide, the slide having a top plate and a bottom plate connected in parallel and two sliding ways bilaterally defined between the top plate and the bottom plate, the top plate and the bottom plate each having two horizontal flat extensions bilaterally disposed at one end and adapted to guide movement of the slide on the zipper tapes, the horizontal flat extensions each having front notch disposed at an inner side corresponding to the interlocking teeth of the zipper tapes, and a pull tab coupled to the top plate of the slide for pulling by hand.
REFERENCES:
patent: 1966255 (1934-07-01), Marinsky
patent: 2095270 (1937-10-01), Silberman
patent: 2530438 (1950-11-01), Modrey
patent: 2855652 (1958-10-01), Jones
patent: 3262172 (1966-07-01), Scheuerman
patent: 3968545 (1976-07-01), Kawashima
patent: 4121326 (1978-10-01), Kamiya
patent: 5497535 (1996-03-01), Kloor
patent: 6314624 (2001-11-01), Lin
Rosenberg , Klein & Lee
Sakran Victor
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