Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1980-05-13
1982-04-06
Hall, Carl E.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291495S, 29DIG3, 291484C, 308201, 308217, B21K 105
Patent
active
043228798
ABSTRACT:
Bearing components, such as cages, rings, retainers, washers, spacers and the like, are formed from flat stock strips in preference to the employment of known methods of blanking same from stock having a dimension as great or greater than the larger dimension of the end product.
REFERENCES:
patent: 739717 (1903-09-01), Reid
patent: 1182796 (1916-05-01), Rogers
patent: 1224624 (1917-05-01), Fjellman
patent: 1390717 (1921-09-01), Keiper
patent: 1459718 (1923-06-01), Bott
patent: 2029445 (1936-02-01), Schubert
patent: 2704695 (1955-03-01), Ricefield
patent: 2706137 (1955-04-01), Stricklen
patent: 3073656 (1963-01-01), Tann
Hall Carl E.
Rising Vernon K.
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