Sealed bushings for universal joints

Details Sealed bushings for universal joints Sealed bushings for universal joints

1978-03-14

1979-05-15

Butler, Douglas C.

Cutlery

64 17A, F16D 384

Patent

active

041544900

ABSTRACT:
A sealed bushing for a universal joint comprising a bushing with one closed end and an open end for accommodating a universal joint trunnion, rolling elements mounted in the bushing and an elastic sealing ring mounted in the open end of the bushing adapted to closely surround the trunnion and to cooperate with a shoulder of the trunnion to form a seal for the bearing, an axially through going air vent slot being provided between the sealing ring and the trunnion, the outermost end of the slot being sealed from external influences by an elastic sealing lip which preferably interacts with the trunnion shoulder.

REFERENCES:
patent: 2896432 (1959-07-01), Hempel
patent: 2996901 (1961-08-01), Kleinschmidt
patent: 4021085 (1977-05-01), Willyard

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