Buckles – buttons – clasps – etc. – Zipper or required component thereof – Slider having specific configuration – construction,...
Patent
1998-05-28
1999-05-04
Brittain, James R.
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Slider having specific configuration, construction,...
A44B 1930
Patent
active
058989790
ABSTRACT:
In a locking slide fastener slider, an upper wing has on its lower surface a central ledge extending from a guide post to the rear end so as to define a pair of side recesses one on each side of the central ledge. The central ledge has a large-width portion extending from around a base of the guide post and terminating midway to the rear end an intermediate tapering portion contiguous to the large-width portion, and a small-width portion extending from the tapering portion to the rear end. An inclined slope is formed along the boundary of the central ledge and one of side recesses. A locking-pawl-insertion through-hole extends transversely from the central ledge into one side recess across the slope.
REFERENCES:
patent: 2901803 (1959-09-01), Porepp
patent: 4409705 (1983-10-01), Yuunaga
patent: 5329674 (1994-07-01), Tomita et al.
patent: 5528802 (1996-06-01), Akashi
patent: 5628094 (1997-05-01), Mizuno
Brittain James R.
YKK Corporation
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