Overload-protected torque transmitting telescopic shaft

Details Overload-protected torque transmitting telescopic shaft Overload-protected torque transmitting telescopic shaft

F - Mech Eng,Light,Heat,Weapons

16

C

64/1

F16C 3/035 (2006.01)

Patent

CA 1294447

"Overload protected torque transmitting telescopic shaft" A R S T R A C T Torque transmitting telescopic apparatus, in particular comprising a shaft (1) and a sleeve (2) which are axially displacable in relation to each other and which are interconnected for being rotatable in common for making torque transmittance possible, in which the sleeve (2) and/or the shaft (1), in each pair of cooperating sides of a sleeve and a shaft having a polygonal cross section shape, are/is formed with at least three portions, namely a central portion or a groove (4) which is narrower than the other one (9) of the two cooperating sides, and against which rolls (9) or balls (13) are in contact over spring biassing means for play-free transmitting torques of normal forces between the shaft and the sleeve, and on each side of said central groove portion at least one outer portion (5, 6) for receiving overstrong torques between the shaft and the sleeve by direct contact between said shaft and sleeve elements.

555336

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