Abstract: A hydraulic power unit combining a number of cylinders using ball bearings to displace hydraulic fluid sequentially with controlled flow to a number of hydraulic actuators. A power unit could combine a minimum of two cylinders through ten or twelve cylinders in a practical hydraulic power unit. The inherent bi-directional nature of this combination of fluid displacing ball bearings, cylinder and porting arrangement offers a unique opportunity to change fluid flow by reversing input drive. The torsional reaction component of the opposed reciprocator drives is utilized to rotate the core cylinder assembly to realign outlet and return fluid flow. This realignment can be used to reverse the fluid circuits or redirect the fluid to other work.

Abstract: A dispenser for flowable materials, such as resins, which includes dual opposed pistons. As each piston fills with material, the piston rods extend into contact with an actuator member. A cam member is activated when the rods are fully extended to force the material out of the cylinders where it is mixed and then discharged from the dispenser.

Abstract: A floating-caliper disc brake (1) includes a non-rotating torque member (36) which carries the caliper (22) in fixed radial position relative to the disc (12) via a pair of pins (56, 58). The torque member and caliper each have matching grooves (44, 46, 48, 50) which, when placed in registry, define a pair of apertures (52, 54) between the caliper and the arms (38, 40) of the torque member. The pins are complementary in cross-section to the shape of these apertures so as to space apart the caliper and the torque member when the pins are inserted into the apertures. Brake torque is transferred from the caliper to the torque member solely through the pins. Sliding of the caliper along the pins provides for axial movement of the caliper relative to the torque member and brake rotor, but the caliper is otherwise restrained from movement in the radial and circumferential directions. One of the pins (58) includes a pair of opposed wedge-defining members (66, 68).

Abstract: A floating-caliper disc brake (10) includes a non-rotating torque member (38) which carries the caliper (22) in fixed radial position relative to the disc (12) via a pair of pins (50). The torque member and caliper each have matching grooves (46, 48) which, when placed in registry, define a pair of apertures (49) between the caliper and the arms (40, 42) of the torque member. The pins are complementary in cross-section to the shape of these apertures so as to space apart the caliper and the torque member when the pins are inserted into the apertures. Brake torque is transferred from the caliper to the torque member solely through the pins which may be made of a material resistant to corrosion. Sliding of the caliper along the pins provides for axial movement of the caliper relative to the torque member and brake rotor, but the caliper is otherwise restrained from movement in the radial and circumferential directions.