Buckles – buttons – clasps – etc. – Zipper or required component thereof – Slider having specific configuration – construction,...
Patent
1994-06-06
1996-03-12
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Slider having specific configuration, construction,...
24427, 24428, A44B 1900
Patent
active
054975352
ABSTRACT:
A zipper of the type having two tapes with interconnecting teeth, a slide having a front and rear and including a divider to separate and mesh the teeth in cooperation with a pull tab attached to the slide, includes spaced wing segments formed on the slide in proximity to the front of the slide. The spaced wing segments present a profile at the front or leading edge of the slide, in which the profile takes the form of a plow. The plow-like profile is formed as a beveled surface at the leading edge, and is thus adapted to force extraneous material such as threads, fabric, and the like, away from engagement with the interconnecting teeth when the zipper is zipped to the zipped-up condition. The trailing edge, or rear, of the slide may similarly be beveled to exclude unwanted fabric when the zipper is unzipped.
In an additional embodiment a bead or ridge or land is provided on the tapes running parallel with the central longitudinal axis of the tapes to provide an additional means for preventing engagement of extraneous material in the teeth.
REFERENCES:
patent: 2855652 (1958-10-01), Jones
patent: 3968545 (1976-07-01), Kawashima
patent: 3973300 (1976-08-01), Takamatsu et al.
patent: 4121326 (1978-10-01), Kamiya
patent: 4261082 (1981-04-01), Kamiya
patent: 5079809 (1992-01-01), Teich et al.
Gershman Arthur P.
Sakran Victor N.
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