Expansible chamber devices inventions 08/07

20070199441 - Fluid pressure cylinder: A fluid pressure cylinder can apply a fastening force to an axially movable reciprocating rod. A reciprocating rod 13 is mounted in a case main body 10 so as to be reciprocable in a forward direction and a backward direction, and two lock units 16a and 16b are incorporated in... Agent: Mccormick, Paulding & Huber LLP

20070199442 - Piston pin with slide layer for connecting rod eye for internal combustion engines: Piston pin for a connecting rod in a reciprocating internal combustion engine, wherein the piston pin carries at least in the area of the running surface a thermal sprayed slide layer of a metallic bearing material or slide bearing material, as well as reciprocating internal combustion engine with a connecting... Agent: Akerman Senterfitt

20070193443 - Sealing arrangement for relatively movable parts and device including such a sealing arrangement: A sealing arrangement for two relatively movable first and second parts and including a sealing ring positioned in a groove on one of the parts for sealing contact against the other one of the parts, so as to separate a first side of the sealing ring from a second side... Agent: Jacobson Holman PLLC

20070186764 - Hydraulic axial piston machine: The invention concerns a hydraulic axial piston machine (1) with a cylinder body (3), at least one piston (9) to be axially displaceable in the cylinder body (3), said piston (9) resting on a swash plate (13) by way of a slide shoe (11), with a pressure plate (14) loading... Agent: Mccormick, Paulding & Huber LLP

20070186765 - Expanded barrel hydraulic cylinder assembly: The hydraulic cylinder assembly of the present invention provides an enlarged barrel and a compressible locking ring that secure a rod gland in the rod end of the cylinder. The tapered barrel prevents the rod gland from sliding into the cylinder and the locking ring seated in an annular groove... Agent: Anthony Dowell Dowell Baker, P.C.

20070186766 - Method for the production of a catching connection in a linear drive: A method of providing a linear drive with an axially play-free entrainment connection between at least one linearly travelling rod (5) and a guide unit able to be moved parallel thereto. Between a coupling member (26), projecting to the fore of the rod (5), of the guide unit and the... Agent: Hoffmann & Baron, LLP

20070180986 - Swash plate type variable displacement hydraulic rotary machine: A pair of leg portions are provided on a swash plate. A main hydrostatic bearing is provided on one leg portion, in communication with one supply/discharge passage through an oil guide passage, and an auxiliary hydrostatic bearing is provided on the other leg portion, in communication with the oil guide... Agent: John R Mattingly Mattingly Stanger Malur & Brundidge

20070180987 - Annular seal and pump including same: A seal includes a seal body forming an annular sealing surface. The annular sealing surface includes an annular ridge protruding substantially radially from the annular sealing surface. The seal body includes an annular cavity. The seal also includes first and second annular springs located adjacent to each other in the... Agent: Larson Newman Abel Polansky & White, LLP

20070175325 - Piston head for hydraulic injection molding machine: A piston head of a hydraulic injection molding machine is screwed with a tie rod inside a hydraulic cylinder of the hydraulic injection molding machine. The piston head has a second screw formed in an inner circumference of a hollow of the piston head and engaged with a first screw... Agent: Jones Day