Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1978-10-16
1980-09-30
Shay, F. Barry
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
63 1545, B23D 1500, A44C 902
Patent
active
042247284
ABSTRACT:
An adjustable shank finger ring having an elongated outwardly ribbed shank portion that is formed in a circular configuration, one end of the shank portion having a barrel portion integrally joined thereto, the barrel portion being rolled outwardly to a tubular configuration and receiving the free end of the shank portion in adjustable relation therein to provide for simple adjustment of the size of the shank portion for accommodation on the finger of the user.
REFERENCES:
patent: 168855 (1875-10-01), Thomson
patent: 1169735 (1916-01-01), Salt et al.
patent: 1434981 (1922-11-01), Ballard
patent: 3683642 (1972-08-01), Lutrario
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