Wiping cylinder drive of an intaglio printing machine

Details Wiping cylinder drive of an intaglio printing machine Wiping cylinder drive of an intaglio printing machine

B - Operations, Transporting

41

F

B41F 9/06 (2006.01) B41F 13/008 (2006.01)

Patent

CA 2600390

The invention provides a wiping cylinder drive of an intaglio printing machine, comprising a drive shaft setting a wiping cylinder in rotation and a drive member setting the drive shaft in rotation, wherein the drive shaft is a hollow shaft and the drive member has a shank engaging into the hollow shaft, the drive shaft and the drive member being coupled to one another through elastically deformable means, the elastically deformable means being inserted as damping elements between the outer circumference of the shank and the inner circumference of the hollow shaft for damping sudden changes in load torque, and wherein said elastically deformable means comprise a plurality of alternately arranged elastic tension rings and rigid supporting rings which are slipped on said shank of said drive member, said elastic tension rings being axially prestressed, in such a way that, in the absence of sudden changes in torque, said hollow shaft is taken up by said rotating shank due to frictional connection, whereas, in the case of sudden changes in torque, said hollow shaft can slide on said elastic tension rings.

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