Automatically locking dual-tab slider for slide fasteners

Details Automatically locking dual-tab slider for slide fasteners Automatically locking dual-tab slider for slide fasteners

1977-09-14

1978-11-07

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

2420514R, A44B 1930

Patent

active

041238281

ABSTRACT:
First and second tab-operated members are mounted longitudinally on, and pivotally supported at their front ends directly by, the respective wings of the slider body and are engaged with first and second pull tabs respectively. The first tab-operated member has a locking pawl at its rear end which is spring loaded to project into the guide channel in the slider body. Both first and second tab-operated members have tongues extending from their front ends and loosely received in an offset cross-channel in the neck of the slider body, with the second tab-operated member tongue disposed forwardly of the first tab-operated member tongue for movement into and out of engagement therewith. The locking pawl can be retracted away from the guide channel to unlock the slider upon exertion of a pull on either first or second pull tab.

REFERENCES:
patent: 2405875 (1946-08-01), Carlile
patent: 2423210 (1947-07-01), Ulrich
patent: 2502901 (1950-04-01), Taberlet
patent: 2535508 (1950-12-01), Natzler
patent: 3038227 (1962-06-01), Godfrey

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