Abstract: A bi-directional pneumatic actuating unit includes a unitary structure having a central base member, a pair of opposed inflatable pneumatic chambers for applying force in different directions, one mounted on either side of the central base member, and air supply and exhaust access ports connected to each of the pneumatic chambers for selectively supplying air to and exhausting air from each of the pneumatic chambers.

Abstract: A can of a drive motor is provided for a pump assembly, wherein the can (22) is manufactured at least partly of plastic (52). At least in a part of the can (22) the plastic (52) is reinforced by individual fibers (32) distributed in the plastic (52). The fibers (32) in at least one layer (35) of the can (32) are aligned in a defined manner in the peripheral direction with respect to the longitudinal axis (Z) of the can (22). A method for manufacturing such a can is also provided.

Abstract: A motorcycle helmet face shield is cleaned by a unit that is mounted on a visor that can be releasably attached to the helmet. The unit includes rollers that are slidably mounted on the visor in a groove defined in the visor.

Abstract: A visibility enhancement system for a CNC machine center that incorporates a windshield wiper assembly. The CNC machine center has a door with a window for viewing machining operations therein. The windshield wiper arm and its wiper blade are mounted on the inner surface of the window in the door. The windshield wiper assembly has structure on the outer surface of the door for reciprocally rotating the windshield wiper arm back and forth through a predetermined angle. The windshield wiper assembly has spring means for constantly pressing the wiper blade against the inner surface of the window. The windshield wiper arm has an adjustable length arm that allows different lengths of wiper blades to be used.