Buckles – buttons – clasps – etc. – Zipper or required component thereof – Slider having specific configuration – construction,...
Patent
1997-10-28
1999-03-23
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Slider having specific configuration, construction,...
24419, 24424, 24429, A44B 1900
Patent
active
058843736
ABSTRACT:
In an auto-lock slide fastener slider, a slider body has on an upper wing front and rear attachment lugs and at a position near the rear attachment lug between the two lugs a locking-pawl-insertion hole and in front of the hole a forwardly sloping guide surface. An axle of a pull tab is movably supported on the guide surface. Over the pull-tab axle, a locking leaf spring, which has at one end a locking pawl, at the other end a hook and at the center a resilient tongue punched out upwardly so as to form a longitudinal opening, is placed on the upper wing so as that the locking pawl is inserted in the hole while the hook is slidably engaged with the front lug, and that a central projection is loosely inserted through the opening 23. A cover is mounted on the front and rear lugs so as to define a gap between the cover and the front lug. When the spring is moved forwardly, the locking pawl comes into contact with a front wall of the hole, so that the locking pawl can be protected.
REFERENCES:
patent: 3239905 (1966-03-01), Weiner
patent: 4081883 (1978-04-01), Ishii et al.
patent: 4287646 (1981-09-01), Kanizaka
patent: 4976014 (1990-12-01), Akashi et al.
Sakran Victor N.
YKK Corporation
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