Rotating head

Details Rotating head Rotating head

1990-12-20

1992-08-11

Britts, Ramon S.

Wells

Above ground apparatus

With seal for reciprocating member

175195, 175209, 277 3, 277 31, 285 16, E21B 3300

Patent

active

051370840

ABSTRACT:
A rotating head having a bowl assembly and a rotating assembly disposed in a bowl opening formed in the bowl assembly. The rotating assembly comprises and elastomeric member and a rotating bushing. The rotating bushing is connected to an outer peripheral surface of the elastomeric member. The rotating bushing bearingly contacts a portion of the bowl assembly during the operation of the rotating head wherein the elastomeric member and the rotating bushing are rotated and the elastomeric member sealingly engages a portion of the bowl assembly for forming a seal between the rotating assembly and the bowl assembly. The rotating assembly is removable from the bowl assembly and can be replaced with another rotating assembly thereby simultaneously replacing the elastomeric member and the rotating bushing.

REFERENCES:
patent: 3052300 (1962-09-01), Hampton
patent: 3400938 (1968-09-01), Williams
patent: 3724862 (1973-04-01), Biffle
patent: 3965987 (1976-06-01), Biffle
patent: 4293047 (1981-10-01), Young
patent: 4345769 (1982-08-01), Johnston
patent: 4363357 (1982-12-01), Hunter
patent: 4423776 (1984-01-01), Wagoner et al.
patent: 4480843 (1984-11-01), Springer
patent: 4486025 (1984-12-01), Johnston
patent: 4526243 (1985-07-01), Young
patent: 4531591 (1985-07-01), Johnston
patent: 4560001 (1985-12-01), Gonzales
patent: 4745970 (1988-05-01), Bearden et al.
Pruitt Rotating Heads--Sales Brochure, 8 pages.
Williams Tool Co., Inc.--Sales Brochure, 5 pages.
Fugett Equipment Co.--Ad Sheet--1 page.
Exhibit A--Sketch, Undated, Entitiled "Adams Head".
Exhibit B--Drawing "B" Adams Rotating Head Without Drive . . .
Exhibit C--Drawing "A" Head Rubber With Drive Built Into . . .
Exhibit D--Grant Oil Tool Co. Sales Brochure--Grant Rotating . . .

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