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Patent No. 5100138

Motorized Mobile Boxing Robot

A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person

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Class 92/159 - Pocket or chamber


Subclass of Class 92 - Expansible chamber devices
Definition: Apparatus in which said means includes a cavity, trough,
No. of patents: 104
Last issue date: 02/07/2012


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NumberTitleIssue Date
4432586Anti-skid brake control system for motor vehicles
An anti-skid brake control system for motor vehicles including a housing, a power piston movable therein and dividing the interior of the housing into two chambers one on each side of the power piston, a conduit member connecting one of the chambers to an...
02/21/1984
4377967Two-piece piston assembly
A two-piece piston assembly comprises an upper portion or a ring carrier part that may be made of malleable iron, cast iron, or a similar iron, and a lower portion or cross-head part, referred to as a skirt, that may be made of aluminum or an alloy thereo...
03/29/1983
4373428Glide shoe of a hydraulic piston machine
A glide shoe of a hydraulic piston machine has a glide face which is in gliding contact with a gliding surface of a piston-reciprocating element. The glide shoe has a bore which communicates with an interior of a housing of the machine and extends toward ...
02/15/1983
4362136Internal combustion engine piston
A piston for medium-speed internal combustion engines having a ring groove for receiving a compression piston ring. The upper and lower flanks of the ring groove when the engine is cold deviate from a plane-parallel position in relation to the adjoining u...
12/07/1982
4350082Pump piston having ring lubrication means
A downhole oil well hydraulic pump has a reciprocating piston assembly with a piston ring mounted in a groove around the piston. This piston ring groove has a main portion which loosely mounts a piston ring and an auxiliary portion joining the main portio...
09/21/1982
4342448Gas-operated cylinder
A gas-operated piston cylinder assembly arranged between upper and lower die members of a press. The lower end of the cylinder communicates with a source of high pressure gas and also communicates through a passageway with the upper rod end of the cylinde...
08/03/1982
4313368Reciprocating piston
A reciprocating piston used in particular in heat engines and other industrial machines comprises at least one decompression chamber delimited between the bottom of an annular groove and the inner face of the first ring housed in this groove. A split ring...
02/02/1982
4294161Power steering gear with oil filled capillary balancing slots
An integral power steering gear assembly includes a piston and cylinder combination having greater output efficiency through improved fluid balancing and cushioning of the piston at its ends. The improved cushioning utilizes oil capillary slots in lieu of...
10/13/1981
4258084Method of reducing fuel consumption by peening
A method of reducing fuel and oil consumption in an internal combustion engine in which the cylinder walls of the engine are peened with glass spheres having a diameter within the range of form about 0.002 inches to about 0.004 inches. The glass spheres f...
03/24/1981
4244280Piston for a pneumatic cylinder
A piston for a pneumatic cylinder having a guide and sealing annular member extending around the circumference of the piston, and a resilient bearing member biassing the guide and sealing member in a direction for sealing engagement with the internal surf...
01/13/1981
4230027Reciprocating piston
This reciprocating piston, particularly for heat engines, compressors, coises at least one upper bead the side surface or periphery whereof presents projecting portions and recessed portions. The projecting portions of this periphery have an initial diam...
10/28/1980
4228725Rotary piston
A piston for use with a rotary piston rod or so-called rotary piston can be constructed so as to utilize a solid sleeve-like piston body of a material selected from the group consisting of structural carbon and graphite. This piston body is utilized aroun...
10/21/1980
4212230Slide faces of piston shoes in radial piston machines
Piston shoes in radial piston devices of the prior art were provided with balancing fluid pressure pockets of circular configuration or of elongation normal to the movement direction of the piston shoes. Piston shoes had to provide the space for said pock...
07/15/1980
4207807Plastic air cylinder assembly
A plastic air cylinder assembled by the specific combination of a plurality of metal tie rods, inside and outside nuts, a resilient and compressible member and supporting plates whereby the plastic cylinder tube is permitted to expand more than the metal ...
06/17/1980
4203353Piston means for piston-cylinder arrangements
A piston-cylinder arrangement comprising a cylinder member and piston means mounted slideably therein, the piston means comprising a piston member and a packing member mounted on the piston member for movement therewith, wherein said packing member has fi...
05/20/1980
4171665Piston, especially for a pneumatic cylinder
A piston, especially for a pneumatic cylinder, includes a disc-shaped piston head and a sealing element on the head, such element has at least one annular sealing lip extending outwardly of the peripheral sliding surface of the head, the sealing lip being...
10/23/1979
4142484Piston for internal combustion engine
A piston for internal combustion engines which is cooled by means of splash oil, and in which the piston interior space is closed off by a collecting trough arranged at the lower end of the piston and provided with an opening for the passage of the connec...
03/06/1979
4103594Piston and scraper ring assembly
A piston is formed with a peripheral groove for receiving a scraper ring, and an annular, axially extending recess is formed in the face of the scraper ring groove on the side thereof toward the piston crown and adjacent the piston wall, with the recess t...
08/01/1978
4086844Hydraulic cylinder utilizing corrugated running surfaces
The piston of a hydraulic cylinder is provided with a corrugated running surface composed of angularly disposed ribs and valleys therebetween, the ribs bearing against the relatively smooth bore of the tubular casing in which the piston reciprocates. Wher...
05/02/1978
4075934Piston for internal combustion engines
A piston for internal combustion engines, preferably made from aluminum alloy, has machined, oil-dragging grooves formed on the periphery of the piston skirt and concave transitions with a sawtoothlike profile with an obtuse profile angle. The piston skir...
02/28/1978
4056044Oil cooled piston
An improved piston assembly including a generally cylindrical piston body having a crown, a depending relatively short ring land and a central cavity comprising inner and outer chambers. Seal receiving grooves are disposed in the ring land and are adapted...
11/01/1977
4048908Pistons
A piston for use in a hydraulic or other fluid operated device having sealing means intended to prevent the passage of working fluid between the piston and cylinder in which it moves consisting of the combination of at least one O ring or other sealing de...
09/20/1977
3975993Piston-rod unit for hydraulic machines
A motor or processing machine, such as a lowspeed radial piston motor, having a piston with a socket formed therein operatively contacting a ball formed on one end of a piston rod, to form a ball-and-socket joint with articulated movement, and a shoe on t...
08/24/1976
3945303Hydrostatic piston machine
The bearing surface of each piston is provided with hydrostatic pressure medium during operation to maintain the axis of the piston perpendicular to the guide surface. The pressure medium is supplied through throttle passages which terminate in feed openi...
03/23/1976
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