Slotted fastener

Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – With tighteners

Patent

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Details

411350, 411411, A44B 1700

Patent

active

042506000

ABSTRACT:
A fastener including an enlarged head portion and a reduced diameter shank portion extending from one end of the head portion. A cam slot is formed in the end of the shank distal from the head portion. The cam slot has a spiral configuration and the entrance end of the full width of the slot is widened to facilitate coupling and uncoupling of the fastener with a cam follower introduced to the cam slot for forming a fastener assembly.

REFERENCES:
patent: Re26703 (1969-11-01), McCarthy
patent: 2474799 (1949-06-01), Dzus
patent: 3488815 (1970-01-01), Metz
patent: 3898716 (1975-08-01), Aylott
patent: 4067090 (1978-01-01), Schenk

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