Initially single piece rotatable fastener

Details Initially single piece rotatable fastener Initially single piece rotatable fastener

1975-04-17

1976-06-22

Britts, Ramon S.

24 73P, 24221R, 85 5R, F16B 1304

Patent

active

039643646

ABSTRACT:
A fastener for joining sheet material having mating perforations, the fastener including a grommet and stud; the grommet having a head provided with an opening therethrough and a pair of spreadable stem elements; the stud being initially attached at one end integrally to the grommet within the opening and arranged, when severed from the head, to move between the stem elements and to rotate thereby to spread the stem elements and lock the grommet in place within the mating perforations; the stud having a retainer channel and the grommet having retainer projections for reception in the channel to prevent disengagement of the stud from the grommet after being severed therefrom for relative movement.

REFERENCES:
patent: 2304704 (1942-12-01), O'Leary
patent: 3112547 (1963-12-01), Poe
patent: 3116528 (1964-01-01), Poe
patent: 3272061 (1966-09-01), Seckerson
patent: 3319510 (1967-05-01), Rapata
patent: 3344488 (1967-10-01), Texier
patent: 3417438 (1968-12-01), Schuplin
patent: 3568263 (1971-03-01), Meehan
patent: 3918130 (1975-11-01), Poe

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