Workpiece 3 is located by V-block 4 and levers 2 which turn about fixed axes A. When piston 1 moves upivward by the action of fluid delivered to the bottom end of cylinder 6, piston rod 5 clamps workpiece 3 in V-block 4. Cylinder 6, floating in the body of the device, moves downward and locates and clamps workpiece 3 by means of levers 2. The workpiece is released, and the piston, cylinder and levers are returned to their initial position by springs 7 and 8.
$3860$LHP,GC$