Patent ID: 6131489
Filing Date: 2000-10-17
Classification: B25B

Abstract:
A reversible wrench comprising:a box body, said box body comprising an inside annular flange raised around an inside wall thereof at a bottom side, an inside annular groove disposed on the inside wall and spaced above said inside annular flange, and a plurality of locating notches symmetrically formed on the inside wall;an adapter mounted within said box body and supported on said inside annular flange, said adapter comprising a bottom coupling extended out of said box body for holding a tool, and radial teeth formed integral with a top side wall thereof;a driving block mounted within said box body, said driving block comprising a plurality of locating rods symmetrically raised from the periphery thereof and respectively engaged into the locating notches in said box body, and a plurality of radial teeth formed integral with a bottom side wall thereof for engagement with the radial teeth at said adapter;a C-clamp mounted around the periphery of said driving block and fastened to the inside annular groove in said box body to secure said driving block and said box body together; anda spring member connected between said adapter and said driving block to push said driving block apart from said adapter.