Lever 2 has slot a which slides along upper part b of screw 5. The lever with eccentric cam 1 turns about pin A and slides along fixed guide c. Workpiece 3 is clamped by lever 2 when handle 1 is turned clockwise. Spring 4 raises lever 2 to its initial position when the eccentric cam is released. The clamp is adjusted by screw 5.
$228$SL,GC$