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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 7258034 | Rack bar of power steering gearbox Disclosed is an apparatus for protecting impact to a rack bar of a power steering gearbox comprising an oil pressure cylinder, to which oil which has passed through an oil pressure pump and a rotary valve is supplied through a left port or right port, a rack bar dis... | 08/21/2007 |
| 6732520 | Hydraulic system for a press Hydraulic systems are disclosed for operating a press comprising a press ram, a press cylinder including a primary side for activating the press ram and press ram return cylinders for returning the press ram, and at least one flow amplifier comprising a piston inclu... | 05/11/2004 |
| 6718766 | Pump-integrated flexible actuator A pair of flexible actuators according to the present invention is supported by a fixture made of a hard rubber at base ends of the flexible actuators. Each flexible actuator includes a movable unit that is capable of bending, a pump unit integrally connected to the... | 04/13/2004 |
| 6109036 | Sealed hydraulic intensifier A sealed hydraulic intensifier has a sealed hydraulic cylinder actuator having a cylinder defining a piston chamber, a piston fitted in the piston chamber of the cylinder, and a piston rod connected to the piston, and a pressure controller disposed adjace... | 08/29/2000 |
| 5638680 | Device for double-acting hydraulic systems A double acting hydraulic system including a master cylinder and a slave cylinder. Each of two slave cylinder spaces has a nipple boring (12, 22), for a nipple valve (40, 50), with an internal section in a form of a seat (16, 26) cooperating with an end (... | 06/17/1997 |
| 5485727 | Fastener installation tool A fastener installation tool of the push/pull type including an air piston driving a hydraulic piston and further including a head piston driven by the hydraulic piston and coacting with the hydraulic piston to form a closed loop hydraulic circuit. The hy... | 01/23/1996 |
| 4872310 | Electro-hydraulic actuator assembly An electro-hydraulic actuator assembly comprises a master piston-and-cylinder 32, 42 connected to be driven by a rotary actuator 56 and hydraulically connected to a slave master piston-and-cylinder 12 coupled to an output member, e.g. a throttle linkage r... | 10/10/1989 |
| 4866937 | Double-acting master-slave cylinder system with volume compensating conduit A hydraulic master and slave cylinder assembly of the type in which a piston is positioned in the master cylinder, a piston rod is connected to the piston and extends out of the input end of the master cylinder, a piston is positioned in the slave cylinde... | 09/19/1989 |
| 4798052 | Constant-clearance brake piston system with braking pressure intensifier The hydraulic brake adjuster (10) intensifying and piston assembly (30) include an exterior pressure device (11) which is disposed separate from a piston (32). The exterior pressure device (11) includes a differential area piston (12) receiving actuation ... | 01/17/1989 |
| 4789313 | Apparatus for and method of pumping output fluids such as abrasive liquids A technique for pumping an output fluid, especially a particle-laden abrasive liquid. This technique utilizes an output pump and a drive pump which are interconnected through a common chamber containing a drive fluid, specifically water. The output pump i... | 12/06/1988 |
| 4788821 | Hydraulic shift for motor vehicle transmission A hydraulic apparatus for remotely controlling the operative mode selector of a motor vehicle automatic transmission. The apparatus comprises a master cylinder having an input member operatively connected to the transmission operative mode selection or sh... | 12/06/1988 |
| 4597263 | Pull type installation tool An improved pneumatic-hydraulic actuated single action pull type installation tool for installing pull type fasteners is disclosed which includes a continuously pressurized fluid reservoir operative to maintain a minimum positive pressure on the hydraulic... | 07/01/1986 |
| 4344287 | Volume compensation for hydraulic circuits A hydraulic circuit (32), for example, remotely controls a work element (14) and contains first apparatus (34), such as a master cylinder (42), which passes a fluid pressure signal through a fluid pathway (38, 40) in response to an input signal. Second ap... | 08/17/1982 |
| 4305252 | Centering and cooling equipment for a hydraulic vibration generator Centering and cooling equipment for a hydraulic vibration generator, with a pulsation generator pressurizing a cylinder containing a movable piston, composed of a feed system and a flushing system. The feed system includes spring-loaded non-return valves ... | 12/15/1981 |
| 4122678 | Hydraulic control with feedback for powered machinery A three-cylinder hydraulic system providing position feedback for controlling powered machinery is described wherein an operator moves a control handle and the various working elements of the machinery respond to follow the path of the control handle, the... | 10/31/1978 |
| 4087973 | Unbalanced hydraulic system capable of work Hydraulic input-output device working with a hydraulically unbalanced system. This is made possible according to the present invention by in a useful way taking advantage of the pressures, which arise upon actuation in a hydraulically unbalanced system, i... | 05/09/1978 |
| 4033132 | Position-transmitting equipment A position-transmitting equipment especially suitable for transmitting steering commands in a small watercraft comprises a transmitter unit in which a cylinder is reciprocable endwise in a housing in accordance with position information to be transmitted.... | 07/05/1977 |
| 4027481 | Fluid pressure responsive transducer apparatus A fluid pressure transducer device including first fluid pressure responsive means and second fluid pressure responsive means which together define a sealed volume of fluid. The first fluid pressure responsive means is exposed to first and second input fl... | 06/07/1977 |
| 4024714 | Valve mechanism A valve mechanism disposed between two pressure sides of a system making it possible for excess pressure device to leave one side of the system to a pressure medium source during a working period of the system. This excess pressure may either be caused by... | 05/24/1977 |
| 4024884 | Closing assist for valves A shutoff valve in a line containing fluid under pressure which after being closed is held closed by another fluid under pressure. The other fluid is one such as air which is available at the valve.... | 05/24/1977 |
| 3990241 | Valve locking means for a two stage servomotor A pressure differentially controlled valve for use in a two stage servomotor to prevent reversion from the second stage to the first stage. A first valve initially moves to transfer the output of a servomotor from a first piston to a second piston. A pres... | 11/09/1976 |
| 3979910 | Closed circuit hydraulic control system A closed circuit hydraulic control system for an hydraulic motor including a cylinder, a piston movable in such a cylinder, and a rod connected to one side of the piston, such cylinder having a blind end and a rod end through which the rod extends. A reve... | 09/14/1976 |
| 3967447 | Hydraulic master-slave clutch system A hydraulic clutch system comprising a first piston and cylinder assembly including a piston rod for causing a first piston to move within a first enclosure in response to actuation of a vehicle clutch pedal or the like, a second piston cylinder assembly ... | 07/06/1976 |
| 3945209 | Hydraulic linkage A hydraulic linkagae for transmitting reciprocating motion comprising a master unit, a slave unit, the master and slave units each comprising a pair of interconnected rod pistons reciprocally moveable within the cylinders in opposite directions by a force... | 03/23/1976 |
