Patent ID: 7913594

Claim:
A torque limiting mechanism for a torque wrench comprising: a) a central shaft including a frictional engaging ring disposed around an exterior periphery of the shaft; b) at least one frictional engaging pin disposed in frictional engagement with the frictional engaging ring; c) a first plunger including a number of parallel recesses in which the at least one frictional engaging pin is disposed, the number of recesses each shaped to receive the at least one frictional engaging pin to hold the at least one frictional engaging pin within the first plunger; d) an adjustable biasing member engaged with the first plunger opposite the at least one frictional engaging pin and configured to bias the frictional engaging pin into engagement with the frictional engagement ring, wherein the at least one frictional engaging pin is positionable in any of the number of the recesses; and e) a second plunger disposed adjacent the first frictional member opposite the first plunger, the second plunger including a number of recesses formed therein, wherein first plunger and the second plunger each include a central recess and recesses disposed on either side of the central recess, and wherein the frictional engaging pins are disposed in recesses other than in the central recess.