UNIVERSAL SMALL-SIZE TOOL Russian patent published in 1998 - IPC

FIELD: universal manual and hydraulic tools. SUBSTANCE: universal small-size tool includes vertical side members with openings for axle, fastening members and levers. Said levers are mounted in cavity formed between said side members with possibility of their rotation in vertical plane. Tool is provided with hydraulic cylinder with jaws for unclamping. Each vertical side member is in the form of plate. First and second levers are mutually joined by means of stud with nuts. Each part of said first levers mounted on axle is provided with stem inclined relative to horizontal axis of plate. Said second levers are mounted between first ones. Each part of said second levers is provided with stem arranged along horizontal axis of plate. Each free end of levers is in the form of wedge. Surface of said wedge has cross notches for reliably engaging with disconnected surfaces. Surface of each stud has lengthwise notches onto which jaws of said unclamping hydraulic cylinder may be supported. EFFECT: possibility of arranging tool in hard-to-access places for unclamping construction members. 3 dwg