POSITROL WORKHOLDING

workholding components and clamping devices to hold parts for machinery, namely, cartridge chucks, collet chucks, compensating chucks, diaphragm chucks, gear chucks, hydraulic membrane chucks, jaw chucks, swing clamp chucks, cartridge arbors, collet arbors, gear arbors, jaw arbors, hydraulic membrane arbors, push-on arbors, pallets and pallet systems, chuck change systems, special top jaws, quick-change top jaws, retractable jaw shaft chucks, hydraulic and pneumatic actuators, mandrels, and fixtures made of metal, for use in manufacturing