RACK-AND-PINION MECHANISM OF A HYDRAULIC LOCATING AND CLAMPING DEVICE

When piston 1 is moved to the right by the action of fluid delivered to the left end of its cylinder, pinion 2, mounted on axle A which is pressfitted into the piston rod 3, also moves to the right, actuating both gear racks, 4 and 5. Upper rack 4 is integral with a wedge whose motion turns cam levers 6 about fixed axes D so that they locate workpiece 7 by its circular recess. Lower rack 5 carries…