Buckles – buttons – clasps – etc. – Independent – headed – aperture pass-through fastener
Patent
1989-02-07
1990-03-20
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Independent, headed, aperture pass-through fastener
411348, F16B 2100
Patent
active
049089161
ABSTRACT:
A draw bar pin includes an annular groove at its lower end which receives a plurality of balls carried in openings in a lock sleeve. An actuator sleeve is movable between locked and unlocked positions, and when in the locked position, a cam shoulder holds the balls in the annular groove, and when in the unlocked position, they are free to move out of the groove for removal of the safety lock.
REFERENCES:
patent: 2816471 (1957-12-01), Bechman
patent: 3046827 (1962-07-01), Myers
patent: 3085462 (1963-04-01), Myers
patent: 3233496 (1966-02-01), De Pew et al.
patent: 4120232 (1978-10-01), Hoffman, Jr.
patent: 4198080 (1980-04-01), Carpenter
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