Patent ID: 7478566

Claim:
An electrical torque-indicating wrench, comprising: a wrench body having a head which is adapted to engage a workpiece, and a stem which is extended from the head, wherein the stem has at least one supporting portion protruding from a surface area of the wrench body; a handle coupled with the stem, wherein the handle is utilized to turn the head about a rotational axis; at least one strain body, each strain body having at least one strain gage is disposed on the supporting portion for getting measured values of torque applied to the electrical torque-indicating wrench, the strain body is a flat plate with two end portions and one middle portion, one hole is provided on the each end portion, the strain body further comprises at least one flex portion which is a connection of the middle portion and one of the end portions; and a torque indicating device connecting to the strain gage, wherein the torque indicating device transfers the measured values into a visual presentation for viewing.