Venting end cap for vehicle wheel bearing

Details Venting end cap for vehicle wheel bearing Venting end cap for vehicle wheel bearing

1991-09-30

1992-12-22

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

F16C 3378

Patent

active

051729849

ABSTRACT:
A venting feature is incorporated integrally into a molded plastic wheel bearing end cap. The cap is flexible, and responds to pressure changes by bulging out or contracting in. As it does so, an internal sealing lip is either bent away, or pulled away, from the inner surface of the bearing hub, thereby opening up venting ports to the outside. After the pressure equalizes, the cap returns to its free state, and the lip again blocks off the ports.

REFERENCES:
patent: 3003834 (1961-10-01), Pendleton
patent: 3169809 (1965-02-01), Pendleton
patent: 3642327 (1972-01-01), Walther
patent: 4368933 (1983-01-01), Motsch
patent: 4399998 (1983-08-01), Otto
patent: 4421326 (1983-12-01), Drygalski
patent: 4960335 (1990-10-01), Otto et al.

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