Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Including member having distinct formations and mating...
Patent
1989-08-28
1990-10-23
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Separable-fastener or required component thereof
Including member having distinct formations and mating...
410 85, A44B 1125, B63B 2500
Patent
active
049641999
ABSTRACT:
A security arrangement for grooved shafts or bolts uses a plurality of toothed collet members held in securing abutment by a cap member. The cap member is held in position by a displaceable chock member. The chock member is readily displaceable such that the securing arrangement can be rapidly released. Conveniently, the chock member may be displaced by a spring member, the spring member being held in a bias position by a cord attached to the chock member.
REFERENCES:
patent: 2824315 (1958-02-01), McKenny
patent: 3667566 (1972-06-01), Hopkins
patent: 4136415 (1979-01-01), Blockburger
patent: 4372738 (1983-02-01), Black et al.
patent: 4570987 (1986-02-01), Wong et al.
Plessey Overseas Limited
Sakran Victor N.
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