Separable slide fastener with an automatically locking slider

Details Separable slide fastener with an automatically locking slider Separable slide fastener with an automatically locking slider

1977-10-05

1978-09-12

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

2420514R, A44B 1936, A44B 1930

Patent

active

041125541

ABSTRACT:
A slide fastener comprising a box-and-pin separable coupling and an automatically locking slider. The slider has a locking member pivoted at one end on the slider body and having first and second legs formed adjacent its other end in side-by-side disposition. The first leg of the locking member is normally spring-biased into a position of interference with the pin-side row of fastener elements when the slider is riding on both rows of fastener elements, and the second leg is disposed opposite to the box-side row of fastener elements. When the slider is moved into abutting contact with the box member of the separable coupling, the second leg of the locking member rides onto a protuberance formed on the guide bar of the box member, so that the first leg of the locking member is retracted from its interference position against the bias of the spring to permit smooth insertion of the pin member of the separable coupling into the box member through the slider.

REFERENCES:
patent: 3858283 (1975-01-01), Runnels

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