Patent ID: 7210565

Claim:
A torque transmission apparatus comprising: axially extending input and output rotating members for carrying out input and output transmission of a torque; at least one bearing rotatably supporting one of the input and the output rotating members, the other of the input and output rotating members including an axially extending end region that faces said one of the input and output rotating members, the end region including an axially extending recess portion; said one of the input and output rotating members including an end portion oriented towards said other of the input and output rotating members, the end portion axially extending beyond the bearing and extending into the recess portion of said other of the input and output rotating members. a torque control mechanism for controlling a torque transmission between the input and output rotating members, the torque control mechanism being arranged radially exterior to an outer periphery of both of the bearing and the end portion of the one of the input and output rotating members.