Fastener for jewelry

Jewelry – Body member encircling ornament – Expansible

Patent

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Details

246005, A44B 1302

Patent

active

053515056

ABSTRACT:
A fastener for jewelry has a bottom body having a stud forming a male part, a safety disc movable relative to the bottom body between an open position in which it leaves a space between the stud and the safety disc and a closed position in which the space is not provided, a spring urging the safety disc to the closed position so that for displacing the safety disc from the closed position to the open position the safety disc has to be displaced against a force of the spring, and a female member connectable with the article of jewelry and placeable on the stud in the open position so that in the closed position the female member cannot be withdrawn from the stud.

REFERENCES:
patent: 1071131 (1913-08-01), Barney
patent: 1396588 (1921-11-01), Nittel
patent: 1599112 (1926-09-01), Boots
patent: 1644562 (1927-10-01), Browning
patent: 2015616 (1935-09-01), Clark
patent: 4665595 (1987-05-01), Viot

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