Method of making a catch for jewelry clasp

Details Method of making a catch for jewelry clasp Method of making a catch for jewelry clasp

1992-10-20

1994-05-10

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29172, 29173, 24616, B23P 1300

Patent

active

053096169

ABSTRACT:
A catch for a jewelry clasp is disclosed which is formed from a single strip of dual thickness metal. A pushing member, having a second thickness which is preferably around three times the thickness of the first thickness portion of the tongue, is pressed to release the catch from a clasp to allow a wearer to remove an article of jewelry. Also disclosed is a method of making the catch where a dual thickness blank is formed by pressing a single thickness starting blank with a series of dies. A second method of making the catch is disclose where dual thickness blanks are cut from a ribbon of dual thickness metal stock.

REFERENCES:
patent: 393222 (1988-11-01), Elleau
patent: 856480 (1907-06-01), Long
patent: 1259544 (1918-03-01), Megurowsky
patent: 1393222 (1921-10-01), Jaroll
patent: 1626720 (1927-05-01), Chayes
patent: 2340708 (1944-02-01), Stern
patent: 3308517 (1967-03-01), Geldwerth
patent: 3359606 (1967-12-01), Geldwerth
patent: 4170809 (1979-10-01), Geldwerth
patent: 4543692 (1985-10-01), Ode et al.
patent: 4667378 (1987-05-01), Sturm
patent: 4672724 (1987-06-01), Grotto
patent: 4697315 (1987-10-01), Geldwerth

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