Patent ID: 6908394

Claim:
A shaft coupling for a drive shaft ( 3 ), comprising: a driving and a driven coupling component in which the driving or the driven coupling component is configured to form a cylindrical hollow coupling outer member ( 8 ) and the other coupling component configured to form a cylindrical coupling inner member ( 9 ), said two members being disposed so as to be coaxial with the longitudinal axis of the shaft coupling, and in which axially parallel grooves ( 27 , 28 ) that are provided with right- and left-sided side walls ( 19 , 20 , 21 , 22 ) are formed on the inner circumference of the coupling outer member ( 8 ) and on the outer circumference of the coupling inner member ( 9 ) for receiving rolling members ( 11 ) that drivingly and axially slidably interconnect the coupling outer member ( 8 ) and the coupling inner member ( 9 ), the right- and left-sided side walls ( 19 , 20 , 21 , 22 ) of the coupling inner member ( 8 ) and of the coupling outer member ( 9 ) being disposed side by side to extend substantially radially and to oppose one another in the circumferential direction and meshed together such that rolling member passages ( 13 , 14 ) are formed and each confine rolling members so that the rolling members transfer torque exclusively tangent to a circumference of rotation of the drive shaft at a center of the rolling members.