Patent ID: 11958568
Assignee: SHIMANO INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 12:
13. The motor unit according to claim 1, wherein
one of the first member and the second member includes a recess,
the other of the first member and the second member includes a protruding part,
the protruding part is configured to be engaged in the recess to transmit a third torque between the first member and the second member in a state where the torque is lower than the torque threshold,
the protruding part is configured to be disengaged from the recess to transmit a fourth torque between the first member and the second member in a state where the torque is equal to or higher than the torque threshold, and
the third torque is higher than the fourth torque.