Buckles – buttons – clasps – etc. – Zipper or required component thereof – Slider having specific configuration – construction,...
Patent
1988-02-01
1989-05-09
Dorner, Kenneth J.
Buckles, buttons, clasps, etc.
Zipper or required component thereof
Slider having specific configuration, construction,...
24421, A44B 1930
Patent
active
048275808
ABSTRACT:
A lockable slider for a slide fastener is disclosed which has a locking prong integral with a pull tab and engageable between two adjacent fastener elements. The locking prong has a rounded apex, an arcuate slide surface and a vertical lock surface, said slide surface extending a length greater than the space or pitch between adjacent elements such that the locking prong can move freely in sliding relation to the rows of fastener elements on the fastener when the latter is opened.
REFERENCES:
patent: 1778338 (1930-10-01), Prentice
patent: 1922257 (1933-08-01), Nicholson
patent: 2450779 (1948-10-01), Brozek
patent: 2523740 (1950-09-01), Ulrich et al.
Cranmer Laurie K.
Dorner Kenneth J.
Yoshida Kogyo K. K.
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