Bearings – Rotary bearing – Antifriction bearing
Patent
1983-02-28
1985-02-05
Levy, Stuart S.
Bearings
Rotary bearing
Antifriction bearing
280668, 280673, F16C 1912, B60G 1142
Patent
active
044975236
ABSTRACT:
A unitized bearing assembly for a MacPherson suspension strut includes an inner bearing module enclosed within an outer housing module, the two modules structurally cooperating to support vehicle loads. In each of the three disclosed embodiments, the bearing module has upper and lower stamped bearing steel races providing two point angular contact raceways for a complement of balls. In two embodiments, the inner surfaces of upper and lower members of the housing module are designed to engage the outer surfaces of the bearing races along narrow annular surfaces defined by the angular contact lines of the races. When the housing members are compressed between the elastomer mount and spring seat of the suspension, they structurally cooperate with the races to support vehicle loads which the relatively thin races would not otherwise support. In a third embodiment, the lower housing member is formed of elastomer continuously molded over the outer surface of the lower race with a peripheral groove in its bottom surface which seats on the spring seat. Under vehicle load the groove partially fills as the elastomer compresses, but the continuous engagement through the angular contact lines is assured and the same structural cooperation results. In all embodiments axial retention means maintain housing and bearing modules together as a unit, the retention means being disengaged under vehicle load.
REFERENCES:
patent: 4120542 (1978-10-01), Bhateja et al.
patent: 4120543 (1978-10-01), Greene, Jr. et al.
patent: 4210343 (1980-07-01), Shiomi et al.
patent: 4229055 (1980-10-01), Olschewski
patent: 4248454 (1981-02-01), Cotter et al.
patent: 4260177 (1981-04-01), Pflughaupt et al.
patent: 4274655 (1981-06-01), Lederman
General Motors Corporation
Griffin Patrick M.
Levy Stuart S.
Werner David
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