Slide fastener with emergency opening means

Details Slide fastener with emergency opening means Slide fastener with emergency opening means

1975-10-16

1977-01-04

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

A44G 1900

Patent

active

040005453

ABSTRACT:
A slide fastener capable of being forced open in an emergency without manipulating a slider along interlocking rows of scoops. The slide fastener comprises an emergency opening zone at its intermediate point where the rows of scoops are incapable of interlocking engagement when the fastener is closed, and a pair of rigid reinforcements fixedly arranged along and on the opposite sides of the zone. Each reinforcement extends beyond both extremities of the zone, so that the fastener will not open accidentally from the zone but will open unfailingly upon application of a finger pressure to the zone in an emergency.

REFERENCES:
patent: 2084593 (1937-06-01), Pickens
patent: 3122808 (1964-03-01), Maschi
patent: 3540090 (1970-11-01), Takamatsu
patent: 3731349 (1973-05-01), Terada

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