Collet chuck 1, intended for clamping cylindrical workpieces of various lengths, has adjustable stop 3 passing through a slot of split collet 2. Collet 2 is attached to piston rod 4. When piston 5 is moved to the right by the action of fluid delivered to the left end of the cylinder, workpiece 7 is clamped. It is released when piston 5 is move to the left by spring 6.
$3887$LHP,GC$