Generally cylindrical rotary drill face seal having improved res

Details Generally cylindrical rotary drill face seal having improved res Generally cylindrical rotary drill face seal having improved res

1984-04-09

1985-05-28

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 92, 277 95, 277 70, 277177, 277186, 277166, 277215, 384 94, F16J 1534

Patent

active

045196141

ABSTRACT:
An improved seal for utilization with earth boring drill bits which employ rolling cutters mounted on shafts extending from face surfaces on the drill bit body. The improved seal includes a generally cylindrical elastomeric seal which is disposed around each shaft with one end of the generally cylindrical elastomeric seal in sealing and sliding engagement with the face surface surrounding that shaft. The second end of the generally cylindrical elastomeric seal is engaged in sealing and sliding engagement with a surface on the rolling cutter. A rigid generally cylindrical ring is disposed within each generally cylindrical elastomeric seal preferably near the outer surface thereof and serves to minimize radial distortion of the generally cylindrical elastomeric seal in response to axial compression. In a preferred embodiment of the present invention, a plurality of axial grooves are provided in the inner surface of each generally cylindrical elastomeric seal to permit lubrication material to pass through the seal.

REFERENCES:
patent: 3137508 (1964-06-01), Cunningham
patent: 3365247 (1968-01-01), Ferrand
patent: 3389760 (1968-06-01), Morris
patent: 3397928 (1968-08-01), Galle
patent: 3458207 (1969-07-01), Conti
patent: 3467448 (1969-09-01), Galle
patent: 3765495 (1973-10-01), Murdock et al.
patent: 3944306 (1976-03-01), Neilson
patent: 3955859 (1976-05-01), Stella et al.
patent: 4256351 (1981-03-01), Langford
patent: 4294492 (1981-10-01), Evans

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