Rotary drive assemblies

Details Rotary drive assemblies Rotary drive assemblies

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 47/00 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2095473

A well assembly including a drive string, a frame, a spindle mounted on the frame and means for rotating the spindle, is constructed to allow the upper end of the string to pass through the spindle. A nut with a non-circular downward protuberance is tightly, threadably engaged with the upper end of the drive string. The spindle has a non-circular upward protuberance, and a tail bar snugly receives both protuberances. The tail bar supports the weight of the string and transmits rotary torque from the spindle to the string.

Affiliated with

Also associated with

Rating

Rotary drive assemblies does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary drive assemblies, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary drive assemblies will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1433583