Patent ID: 6959626

Claim:
A ratchet wrench, comprising: a handle; a drive head mounted on an end of the handle and having a first end formed with a receiving hole, a mediate portion formed with a receiving recess communicating with the receiving hole, and a second end formed with a receiving chamber communicating with the receiving recess; a ratchet wheel mounted in the receiving hole of the drive head; a pawl member pivotally mounted in the receiving recess of the drive head and engaged with the ratchet wheel; a control knob rotatably mounted in the receiving chamber of the drive head and rested on the pawl member to push the pawl member to press the ratchet wheel, the control knob having an inside formed with a passage radially extended through the control knob; and a substantially C-shaped limit spring mounted on the control knob to rotate with the control knob and having a mediate portion formed with a insertion portion inserted into the passage of the control knob and two distal ends each formed with an protruding locking portion that is movable to press the drive head to position the limit spring and the control knob on the drive head.