Safety fastener

Details Safety fastener Safety fastener

1986-07-18

1987-08-11

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Separable-fastener or required component thereof

Including member having distinct formations and mating...

24632, A44B 1125

Patent

active

046851763

ABSTRACT:
A safety fastener for lugs includes two bolts pivotally mounted to a block in a cylindrical hollow body. The bolts can move between a lug-engaging latching disposition and a lug-releasing unlatching disposition, and are biased to the latching disposition by springs. A carrier disc is rotatable between a locking disposition and a release disposition to rotate a bolt-blocking member from a retracted disposition to a bolt-obstructing disposition. When the member is in its retracted disposition it allows the bolts to be displaced out of their latching disposition to accept the lugs. When the member is in its bolt-obstructing disposition it prevents this displacement of the bolts, and therefore prevents engagement of the lugs.
A yoke is pivotable on the carrier from a rest disposition to a displacement disposition protruding from the carrier only when the carrier is in its release disposition. When the yoke is in its displacement disposition, camming surfaces thereon move the bolts to their lug-releasing dispositions.

REFERENCES:
patent: 3132399 (1964-05-01), Cooper
patent: 3617019 (1971-11-01), Femia
patent: 3639948 (1972-02-01), Sherman
patent: 4403376 (1983-09-01), Polloks

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