Seal with face-to-face flat metal sealing washers

Details Seal with face-to-face flat metal sealing washers Seal with face-to-face flat metal sealing washers

1982-07-14

1983-10-25

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 54, 277 83, 277175, 277208, 277236, F16J 1528

Patent

active

044114370

ABSTRACT:
A clearance seal for rotating shafts adapted for use with pillow blocks and the like, in which a series of washers is disposed in a housing of U-shaped cross sectional configuration. The washers are of thin metal and are stacked in face-to-face contact with one another and held in the housing in firm contact by a resilient member such as a wave spring washer. Clearance is provided between the inside diameter of the sealing washers and an inner race, shaft or similar rotating element, and the washers are adapted to move radially relative to one another to adjust to shaft misalignment. The seal is so constructed and arranged that the bearing can be readily purged by the flow of grease through the clearance provided by the seal to provide optimum performance over an extended period of time without interference from contamination.

REFERENCES:
patent: 1388168 (1921-08-01), Bullard
patent: 1578237 (1926-03-01), Reynolds
patent: 2983529 (1961-05-01), Price
patent: 3008740 (1961-11-01), Hinkle
patent: 3325175 (1967-06-01), Lower
patent: 3333855 (1967-08-01), Andresen
patent: 3460842 (1969-08-01), Pointer et al.

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