Shaft sealing device with spherical portion and wiper seals

Details Shaft sealing device with spherical portion and wiper seals Shaft sealing device with spherical portion and wiper seals

1985-11-06

1988-02-23

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

285160, 403131, 403370, F16J 1526

Patent

active

047265957

ABSTRACT:
A shaft sealing device has a body containing a spherical portion of a sealing element which also has a tubular portion extending outside the body. The shaft extends through both portions of the sealing element. A pair of annular wiper seals is located within the body and bear against the spherical portion of the sealing element. The wiper seals are separated by a cylindrical spacer. A thrust washer urges the wiper seals into contact with the spherical portion of the sealing element. A further sealing element surrounds the shaft outside the body and is partly engaged in a recess in the tubular portion of the sealing element. The sealing element has a curved outer surface and is urged into sealing contact with the recess in the tubular portion of the sealing element by means of a clamp nut screwed onto the outside of the tubular portion of the sealing element.

REFERENCES:
patent: 909263 (1909-01-01), Walters
patent: 947265 (1910-01-01), Walters
patent: 3721453 (1973-03-01), Likavec

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