Patent ID: 7155998

Claim:
A T-shaped ratchet wrench comprising: a) a main body having: I) a cross shaft; ii) a working shaft having a first end connected to a middle portion of the cross shaft and a polygonal head located on a second end thereof; iii) a ratchet driving mechanism having a change-over selector located at an intersection of the cross shaft and the working shaft; and iv) three annular grooves including a first groove located on a first of two opposing ends of the cross shaft, a second groove located on a second end of the two opposing ends of the cross shaft, and a third groove located on the working shaft; and b) a force-applying auxiliary arm having: I) an internal hole, a selected shaft end selected from a group consisting of the second end of the working shaft and one of the two opposing ends of the cross shaft is selectively inserted into the internal hole; ii) an engaging socket located of on a first auxiliary arm end of the force-applying auxiliary arm and selectively locking the force-applying auxiliary arm in one of the three annular grooves of the selected shaft end; and iii) a handle portion located on a second auxiliary arm end of the force-applying auxiliary arm.