Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – With tighteners
Patent
1979-08-08
1982-01-19
Schultz, William H.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
With tighteners
A44B 1900
Patent
active
043109535
ABSTRACT:
A jewelry clasp comprises a spring-loaded member normally closing a slot, the member being provided with a cam surface operable to move the member out of the slot when a jump ring is pushed into the slot against the cam surface.
REFERENCES:
patent: 3522640 (1970-08-01), Lohr
patent: 3969795 (1976-07-01), Stephenson
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