LIMIT-TORQUE NUT WRENCH Russian patent published in 2003 - IPC

FIELD: manual tool, namely limit wrenches, possibly for tightening threaded joints in mode of limited torque values and also in mode of non-limited torque value. SUBSTANCE: wrench includes body in the form of lever carrying dial for indicating torque; working head in one end; drive lever with handle joined with body by hinge and embraced by limiting yoke; adjusted limiter of torque on other end and member for changing wrench in mode of non-limited torque. EFFECT: enlarged functional possibilities due to realizing mode of non-limited torque, prevention of destructurability in adjusted torque limiter. 4 cl, 6 dwg