Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1980-09-22
1981-12-29
Shay, F. Barry
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
63154, A44C 900, B23P 1300
Patent
active
043075029
ABSTRACT:
A composite ring construction in which a relatively wide first circular ring is provided with both an internal groove and an open slot for interengaging receipt of a second ring of substantially lesser width. Normally, the second ring includes ornamentation such as a gem stone or simulation thereof held by a plurality of prongs which also function as the means by which the second ring is held from relative rotational movement with respect to the first ring. The sequential manner of forming the groove, the slot, and a pair of detents in the first ring which in turn are adapted to cooperatively function with the aforesaid holding means is further disclosed.
REFERENCES:
patent: 473139 (1892-04-01), Bernhardt
patent: 2086493 (1937-07-01), Ellingwood
patent: 2117176 (1938-05-01), Keehnel et al.
patent: 2308915 (1943-01-01), Haimes et al.
patent: 2395492 (1946-02-01), Meyer
patent: 2747259 (1956-05-01), Brioux
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