Patent ID: 8307911

Claim:
A torque system of a power tool for driving a spindle and switching a working mode, the torque system comprising: a first body; a second body combined with the first body and having a plurality of restricting mechanisms; a toothed ring disposed between the first body and the second body; a mode selecting assembly disposed on the second body; a plurality of control pins respectively mounted on the restricting mechanisms of the second body, wherein each of the control pins has a rod body, a stopper block formed on one side of the rod body, one end facing the toothed ring, and the other end facing the mode selecting assembly; a torque adjusting module disposed on the second body, wherein: each of the restricting mechanisms comprises a through hole, a first stopper and a second stopper, the through hole penetrates through the first stopper; the second stopper is disposed on a periphery of the first stopper, and one step is formed between the first stopper and the second stopper; and the rod body of the control pin is inserted into the through hole, and the stopper block faces the first stopper or the through hole.