Bearing bushing with inserted sealing ring

Details Bearing bushing with inserted sealing ring Bearing bushing with inserted sealing ring

1985-11-06

1987-03-31

Levy, Stuart S.

Bearings

Rotary bearing

Antifriction bearing

277 95, 277 11, 384147, 384481, F16C 3376, F16J 1532, F16J 1554

Patent

active

046539360

ABSTRACT:
A bearing bushing is provided with a sealing ring having a conical bore surface on the side remote from the side at which a shaft is inserted. The rim of the bearing bushing is provided with a concial surface which cooperates with the conical surface of the sealing ring during insertion of the shaft so as to restrain the sealing ring in a manner that prevents it from being forced out of the bearing bushing. Alternatively, a restraining ring having a circumferential projection with a conical surface can be arranged to prevent unseating of the sealing ring when the shaft is inserted from the sealing ring side of the bearing bushing. A shaft being inserted exerts axial force on the sealing ring, causing the inner portion of the sealing ring to expand radially as the conical surface of the sealing ring slidingly ascends the conical surface of the bushing rim or restraining ring, thereby allowing easy insertion of the shaft.

REFERENCES:
patent: 3004807 (1961-10-01), Kniepkamp
patent: 3384429 (1968-05-01), Farrell et al.
patent: 3447848 (1969-06-01), Pitner
patent: 3479100 (1969-11-01), Pitner

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