Rotating head

Details Rotating head Rotating head

E - Fixed Constructions

21

B

E21B 33/02 (2006.01) E21B 7/00 (2006.01)

Patent

CA 2061240

ABSTRACT OF THE DISCLOSURE 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.

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