Self-aligning bearing and seal

Details Self-aligning bearing and seal Self-aligning bearing and seal

1979-09-11

1981-02-10

Footland, Lenard A.

Cutlery

3081871, 308181, 308 19, F16C 3378

Patent

active

042497825

ABSTRACT:
A dynamically self-aligning bearing and seal for use with agricultural groundworking tools which are exposed to contaminated environments and severe shock loadings. The improved bearing utilizes a spherically-shaped support housing and spherically-shaped outer race ring that are slidably engaged to permit dynamic oscillating movement of the outer race ring relative to the support housing. A multi-lipped seal is carried by the outer race ring and includes first lips extending radially inwardly to wipingly seal the anti-friction ball bearings against contaminates. A thicker second lip of the seal extends radially towards the inner surface of the housing and acts to frictionally and yieldably resist rotating and oscillating movement of the outer race ring relative to the housing. The second lip further serves to seal against entry of contaminates between the two spherically-shaped and interacting surfaces.

REFERENCES:
patent: 2731310 (1956-01-01), Potter
patent: 2733648 (1956-02-01), Todd
patent: 3519316 (1970-07-01), Gothberg

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