Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1987-06-02
1989-01-31
Echols, P. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29557, B21K 140
Patent
active
048006343
ABSTRACT:
A hub sleeve for a bicycle hub is manufactured by cold-swaging or forging. The hub sleeve is integrally provided with ball bearing faces and with internal torque transmission teeth. The torque transmission teeth are obtained by radial dislocation of the wall material of the hub sleeve.
REFERENCES:
patent: 1990510 (1932-12-01), Winkler
patent: 2587864 (1952-03-01), Lefere
patent: 2997145 (1961-08-01), Ross
patent: 3494170 (1970-02-01), Valleins
patent: 3874055 (1975-04-01), Wilcox
patent: 4182194 (1980-01-01), Tomozawa
patent: 4351569 (1982-09-01), Steuer et al.
Gerstner Richard
Look Gunter
Seybold Werner
Steuer Werner
Echols P. W.
Fichtel & Sachs AG
Rawlins Andrew E.
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