LOCK LOCK FREE LOCK LOCK LOCK LOCK LOCK Serriies MLU Retraction lock Retraction lock Drop prevention for litter Holding clamped and unclamped positions Retraction lock Extension lock Simple construction: Simple and reliable locking system Plate Cylinder with Lock o25, o32, o40, o50 Drop prevention is possible at any point of stroke. Unlocking port: q When air is exhausted: The brake spring force tilts the lock ring. w The load increases the tilting of the lock ring to securely lock the piston rod. Unlocking port: q When air is supplied: The lock ring becomes perpendicular to the piston, creating a gap between the piston rod and the lock ring to unlock the piston. Load direction Fulcrum Pivot Brake spring Lock ring Piston rod Locked Clearance Unlocked Extension lock Drop prevention for press fitting jig . Drop prevention for middle stroke emergency stops . Lock positions can be changed to accommodate the position of the external stopper and the thickness of the clamped workpiece. 978