Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-06-21
1978-02-21
DiPalma, Victor A.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
2915903, 292835, 29516, 29802, 72401, 301 65, 301 67, B21H 102, B21K 132
Patent
active
040744086
ABSTRACT:
A vehicle wheel assembly and method and apparatus for making the assembly in which an outer tire rim and wheel center are fabricated into a secure one-piece unit. Secure attachment and restraint of the two components into one unit are accomplished through a dimpling process in which both components are nested together at a plurality of points through stamping. While very applicable to a steel rim or steel center wheel construction, the invention is adapted for use on several metallic wheel constructions to avoid pneumatic leakage associated with riveting or problems arising from welding of the two components. A fixture and hydraulically operated tool construction utilizes male and female tooling to accomplish the dimpling process in which regions of the wheel rim and center are deformed by force to nest together.
REFERENCES:
patent: 1741716 (1929-12-01), Hunt
patent: 2713197 (1955-07-01), Schmidt
patent: 2830168 (1958-04-01), Taylor
patent: 3145457 (1964-08-01), Lemmerz
patent: 3635529 (1972-01-01), Nass
patent: 3725992 (1973-04-01), Davis
patent: 3800600 (1974-04-01), Chapin
DiPalma Victor A.
FDI, Inc.
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