Patent ID: 7665587

Claim:
A torque transmission device, comprising: a torsional damping device ( 11 ) with an input part ( 10 ) and a clutch disk ( 1 ), wherein the input part ( 10 ) includes respective first portions of a plurality of locking sections ( 4 - 7 ), the first portions formed from a same piece of material as the input part ( 10 ), and a plurality of seat areas ( 34 ), wherein the clutch disk ( 1 ) includes a plurality of spring shackles ( 38 ), the spring shackles formed from a same piece of material as the clutch disk ( 1 ), with respective ends ( 36 ) and includes respective second portions of the plurality of locking sections ( 4 - 7 ), the second portions formed from the same piece of material as the clutch disk ( 1 ), wherein the plurality of locking sections connect the input part ( 10 ) and the clutch disk ( 1 ) so that the input part ( 10 ) and the clutch disk ( 1 ) are turnable together and are axially slidable with respect to one another and wherein a respective seat area ( 34 ) from the plurality of seat areas ( 34 ) is circumferentially disposed between adjacent sections from the plurality of locking sections ( 4 - 7 ).