Expansible chamber devices inventions 03/07

20070062368 - Lock mechanism for use with fluid pressure-operated apparatus: A lock mechanism is provided in a head cover of a cylinder tube. The lock mechanism comprises a holder, which is installed in the head cover, a plurality of balls that are retained displaceably in a radial direction with respect to the holder, and a displacement member that displaces the... Agent: Paul A. Guss Paul A. Guss Attorney At Law

20070056441 - Two-part piston for an internal combustion engine: A two-part piston for an internal combustion engine has a piston head and a piston skirt. The piston head has a piston crown on the underside of which at least two boss lands, each provided with a head boss and a head boss hole are connected. The piston skirt has... Agent: William Collard Collard & Roe, P.C.

20070044652 - Remote monitor system for a longitudinally positionable control bar: A remote monitor system for a longitudinally positionable control bar having position indicating indicia thereon including a housing receiving the control bar therein and having an aperture in a sidewall communicating between the control bar and an exterior housing surface, an explosion proof enclosure mounted exteriorly of the housing and... Agent: Gable & Gotwals

20070044653 - Pneumatic diaphragm having a bias weave pattern: A diaphragm is provided that includes a tubular sidewall and a first elastomeric material. The tubular sidewall has an open end and an enclosed end and comprises fabric having a plurality of yarns disposed in a bias weave pattern. The first elastomeric material is disposed over the fabric at a... Agent: Honeywell International Inc.

20070044654 - Three chamber hydraulic cylinder for an active vehicle suspension with integrated load leveling: A hydraulic actuator for an active of semi-active vehicle suspension system has a cylinder with a piston therein. A piston rod is attached to the piston and extends out of the cylinder. First and second chambers are formed on opposites sides of the piston enabling the piston to be driven... Agent: Quarles & Brady LLP

20070044655 - Removable end plug: A pressure assembly including a cylinder, an end plug and a split ring band. The cylinder has an end, an inner surface and an outer surface. The end plug is inserted into the end of the cylinder, the end plug having an outer surface that is in partial contact with... Agent: Barnes & Thornburg LLP