Universal joint with bellows seal and vent

Details Universal joint with bellows seal and vent Universal joint with bellows seal and vent

1984-04-03

1985-12-17

Levy, Stuart S.

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

Housing

Flexible housing

277212FB, F16D 384

Patent

active

045590257

ABSTRACT:
A bellows seal for a universal joint has its sleeve surrounding the drive shaft separated from this shaft over only a cylindrical segment by a device communicating between the interior of the sleeve and the external atmosphere. This device has a portion of small circumferential width lying below the sleeve and a portion of large circumferential width integral with the first portion. An axial groove in the first portion communicating with a meandering groove forming a baffle in the second portion before this meandering groove opens into the ambient atmosphere.

REFERENCES:
patent: 4210002 (1980-07-01), Dore
patent: 4224808 (1980-09-01), Gehrke
patent: 4392838 (1983-07-01), Welschof et al.

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