Downhole motor drive shaft universal joint assembly

Details Downhole motor drive shaft universal joint assembly Downhole motor drive shaft universal joint assembly

F - Mech Eng,Light,Heat,Weapons

16

D

64/14

F16D 3/50 (2006.01) E21B 4/02 (2006.01) E21B 17/05 (2006.01) F16D 3/205 (2006.01)

Patent

CA 1290952

ABSTRACT OF THE DISCLOSURE A universal joint assembly comprises a first rotary member having a longitudinal axis and an outer tubular portion at one end thereof concentrically disposed about the axis, a second rotary member having having a longitudinal axis and an inner tubular portion at one end thereof concentrically disposed about the axis, the second member being adapted to be telescopically received within the outer tubular end portion of the first member, means pivotally connecting the first and second members whereby to provide limited omni- directional pivotal movement of one of the first and second members with respect to the other of the first and second members about a point of intersection of the longitudinal axes of the first and second members, and torque transfer means disposed between the outer and inner tubular end portions for transferring torque between the first and second members, the torque transfer means including longitudinal slot means formed in one of the tubular end portions and key means extending from the other of the tubular end portions into torque transfer relation with the slot means.

522636

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