Method of pulley construction

Details Method of pulley construction Method of pulley construction

1975-04-30

1976-06-08

DiPalma, Victor A.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21K 128, B21K 142

Patent

active

039614069

ABSTRACT:
Two identical shaped discs stamped in a die and joined together back-to-back to form a hub, web and belt-riding groove. The hub formed is an annular cup-shaped pocket in which a closely fitted bushing is received. The discs are formed from a blank in a compound progressive die in a single die station and are stamped with a locus of simultaneously coined surfaces to provide positive tolerance control of radial run-out and lateral run-out (wobble) when the discs are joined together.

REFERENCES:
patent: 1627558 (1927-05-01), Grunwald
patent: 2610514 (1952-09-01), Long, Jr.
patent: 2641935 (1953-06-01), Wilken
patent: 2655813 (1953-10-01), Howell
patent: 2981120 (1961-04-01), Schultz, Jr.
patent: 3822457 (1974-07-01), Frost et al.

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