Automatic wheel bearing lubricator

Details Automatic wheel bearing lubricator Automatic wheel bearing lubricator

1976-08-09

1977-11-15

Brown, David H.

Lubrication

Automobile crank and gear case service

184 45R, F16N 1104, B60B 2700

Patent

active

040581853

ABSTRACT:
An automatic lubricator for wheel bearings and closure cap for wheel hubs comprises a hollow body having an open end connected with the hub, a piston sealingly and slidably mounted in the body, and a spring member urging the piston toward the bearing and constantly applying a positive pressure on the lubricant packing the hub. A lubrication fitting for filling the lubricator is attached to the body adjacent to the open end thereof, and an overflow aperture is disposed through a side wall of the body at a point adjacent to the piston for relieving excess lubricant pressure. A heat responsive member located in the body is operative to release lubricant from the hub cavity in response to an abnormally high lubricant temperature.

REFERENCES:
patent: 2514799 (1950-07-01), Rubertino et al.
patent: 2952238 (1960-09-01), Barber
patent: 3077948 (1963-02-01), Law
patent: 3498413 (1970-03-01), Krieger
patent: 3785706 (1974-01-01), Vangalis
patent: 3955852 (1976-05-01), De Puydt et al.

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