Patent ID: 8596168

Claim:
An open end wrench assembly with a reversible ratchet feature comprising: a) an opening within said open end wrench assembly designed to partially encompass a nut, b) wherein said open end wrench assembly has a plurality of cylindrical cams rotatably attached about an inner periphery of said opening, wherein said cylindrical cams incorporate the following design features: 1) wherein said cylindrical cams are arranged to grip said nut when the wrench is turned in the torque direction and to ratchet when turned in the ratchet direction, 2) wherein a portion of said cylindrical cams is machined in a manner to provide for engagement with said nut for the purpose of rotating said cylindrical cams for the ratchet function, and 3) a spring which is associated with each said cylindrical cam, wherein a rotation of said cylindrical cam by said ratchet function causes said spring to deflect and create a counter rotating force, c) a slider arc designed to rotate said springs and associated said cylindrical cams 90 degrees for the purpose of reversing the ratchet direction, d) a reversing lever attached to said slider arc designed to move said slider arc, e) a top plate and a bottom plate, and f) a plurality of spacer plates underneath said top plate, wherein said spacer plates are designed to guide said slider arc.