Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1977-07-05
1979-02-13
DiPalma, Victor A.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
72354, 113116D, B21K 142
Patent
active
041387767
ABSTRACT:
There is disclosed herein a method and apparatus for fabricating a pulley which the pulley rim is fabricated from a cylindrically-shaped blank of constant diameter which is deformed by relatively movable die forming members so as to form a ring having a V-shaped cross section which may then be assembled to a hub member. Auxiliary forming dies are also disclosed which may assist in the proper formation of the V-shaped cross section. In another form, the pulley rim is fabricated with multiple annular V-grooves. Apparatus effective for carrying out the above method is also disclosed herein.
REFERENCES:
patent: 2730795 (1956-01-01), Bloss
patent: 3364550 (1968-01-01), Jessee et al.
patent: 3440705 (1969-04-01), Johnson
patent: 3757413 (1973-09-01), Craik
patent: 3893818 (1975-07-01), Mickus
patent: 4004335 (1977-01-01), Pierce et al.
patent: 4069572 (1978-01-01), Pierce et al.
DiPalma Victor A.
Huron Tool & Manufacturing Division of U.S. Industries, Inc.
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