Automatically locking slider for slide fasteners

Details Automatically locking slider for slide fasteners Automatically locking slider for slide fasteners

1975-01-30

1976-05-18

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

A44B 1930

Patent

active

039568008

ABSTRACT:
An automatic slider lock mechanism including a locking leaf spring arranged longitudinally over the slider body and having a locking pawl at its rear end which normally projects into the usual Y-shaped guide channel in the slider body for interference contact with rows of interlocking fastener elements passing therethrough. The locking leaf spring includes a neck portion directly overlying the top wing of the slider body and having a fold at its front end arranged in parallel spaced relationship thereto. The fold has a pair of arms extending downwardly therefrom into abutting contact with the top wing, and a pair of flanges project laterally outwardly from parts of the bottom edges of the respective arms to be engaged by respective spring retainers on the top wing. The locking pawl retracts away from the guide channel when a pull is exerted on the pull tab of the slider.

REFERENCES:
patent: 2622296 (1952-12-01), Erdmann
patent: 2810945 (1957-10-01), Legat
patent: 3016592 (1962-01-01), Manning
patent: 3287780 (1966-11-01), Cooperberg

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