Concealed zipper fastener

Details Concealed zipper fastener Concealed zipper fastener

1974-09-16

1976-07-20

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

2420515R, A44B 1936

Patent

active

039697940

ABSTRACT:
A slider locking or retaining means is provided on a concealed type of zipper fastener at a top end thereof for engagement with an element-guide channel defined between a guide post and an inner side wall of the slider. The inner side wall extends substantially parallel with a longitudinal axis of the slider so that the retaining means is held in pressure engagement with the inner side wall and the guide post respectively when external lateral forces are applied to the fastener tapes. This arrangement ensures that the slider is retained in locked position relative to the fastener in its fully closed disposition.

REFERENCES:
patent: 2441007 (1948-05-01), Carlile
patent: 3001904 (1961-09-01), Porepp
patent: 3309746 (1967-03-01), Carlile
patent: 3353233 (1967-11-01), Froalich
patent: 3505710 (1970-04-01), Froalich
patent: 3672008 (1972-06-01), Moertel
patent: 3686719 (1972-08-01), Johnston

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