Patent ID: 7270036

Claim:
A torque ratchet wrench comprising: a wrench body having a handle on one end and a wrench head on the other end, the wrench head having an extrusion with a fixing hole and having an accommodation hole for accommodating a driving head and a control device, the driving head for connecting with a work piece, a plurality of ratchet teeth is implemented on the periphery of the driving head, the control device being installed in the accommodation hole of the wrench head for controlling the wrench body to drive the driving head to rotate in one direction, the control device includes at least a moving piece and a control piece, the moving piece can move inside the accommodation hole, on a first end of the moving piece, a plurality of pawl teeth is implemented to mesh with the ratchet teeth of the driving head, the control piece can be control from outside to move the moving piece, thereof the pawl teeth of the moving piece would mesh with the ratchet teeth of the driving head; a mark plate with notched torque scales being installed on the wrench body; and an indicator with one end being fixed on the wrench head by inserted into the fixing hole of the extrusion of the wrench head, and the other end extending to above the mark plate.