Protective bellows

Details Protective bellows Protective bellows

1992-12-03

1994-05-03

Cuchlinski, Jr., William A.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Housing

Flexible housing

277212FB, F16D 384, F16J 1552

Patent

active

053082842

ABSTRACT:
A protective bellows protects a universal joint driven by a shaft, such as forming part of the front wheel drive mechanism of a motor vehicle. The bellows has a collar with an interior annular rib which, on completion of the fitting process, locates in an annular groove in the shaft. During the fitting process, a tube is forced between the interior peripheral surface of the collar and the outer surface of the shaft, via a channel in the rib and a channel in the material of the inner end of the collar which grips the surface of the shaft. Grease is pumped into the interior of the bellows through this tube. Further channels extend through the rib and the adjacent material of the collar, and allow excess air Pressure to be vented to atmosphere during and after the grease-filling operation.

REFERENCES:
patent: 3248955 (1966-05-01), Templeton
patent: 3451700 (1969-06-01), Smith
patent: 4154546 (1979-05-01), Merrick et al.
patent: 4210002 (1980-07-01), Dore
patent: 4392838 (1983-07-01), Welschof et al.
patent: 4556400 (1985-12-01), Krude et al.
patent: 4558869 (1985-12-01), Grove et al.
patent: 4559025 (1985-12-01), Dore
patent: 5015002 (1991-05-01), Goodman et al.

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