Importance

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Abstract

A torque wrench includes a handle, a wrenching unit, at least one torque sensor, and a torque display unit. The handle has an end forming a connection portion. The wrenching unit has an end forming a fitting portion, which is connectable to the connection portion of the handle and releasably secured thereto by a bolt so that the wrenching unit can be selectively secured to the handle or released from the handle for replacement. The torque sensor is mounted to the handle to detect deformation of the handle and generate a detection signal when the wrenching unit applies a torque to a workpiece. The torque display unit is coupled to a joint between the handle and the wrenching unit and includes a display processing circuit that is connected to the torque sensor to receive the detection signal from the torque sensor and further process and display a torque reading corresponding to the detection signal so that the reading of an actual torque that the wrenching unit provides can be immediately displayed to thereby realize a wrench that is capable of replacement of different wrenching units and displaying of reading of torque.

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First Claim