Patent ID: 8596169

Claim:
A ratchet wrench comprising: a handle and a head member, wherein the wrench head includes a receiving portion formed in a front end thereof to receive a rotating member and a hole formed therein, and the hole includes a plurality of teeth arranged around an inner peripheral side thereof, and the receiving portion includes a groove disposed on a rear end thereof to communicate with the receiving portion, and the groove includes a through orifice fixed on a bottom end thereof, and the through orifice includes a wider recess formed on a bottom end thereof; a rotating member received in said receiving portion, the rotating member including a cover piece arranged around a peripheral side thereof, and the cover piece including a plurality of cutouts formed around an outer rim thereof, wherein a connecting space is formed between the groove and one of said plurality of cutouts; a limiting device secured in the through orifice of the head member for selectively engaging and disengaging said rotating member, the limiting device including a retaining block to be fixed in the groove, and the retaining block including a post extending in a downward direction from a bottom end thereof, and the post including a notch disposed on a middle section thereof to receive a spring, and the spring including a sleeve fitted thereon, the post also including an annular slot formed adjacent to a bottom end thereof to retain with a C-shaped retainer; and wherein when said limiting device is pressed in said downward direction, said retaining block is fixed in said connecting space to further limit the head member from rotating for a fixed wrench operation obtaining a stronger torque output.