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| Number | Title | Issue Date |
| 7331176 | Transaxle With regard to a transaxle comprising a housing, which houses a hydrostatic stepless transmission constructed by fluidly connecting a hydraulic pump with a hydraulic motor and an axle drivingly connected to the transmission, the housing is constructed by detachably ... | 02/19/2008 |
| 7287969 | Rotary fluid pressure device and improved brake assembly for use therewith A rotary fluid pressure device defining a fluid inlet (17), an output shaft (37), and a housing (41,43) defining a brake chamber (61), a piston member (63,65) being disposed therein and biased toward an engaged position by a spring... | 10/30/2007 |
| 7195439 | Tightening member A hydraulic nut having a first part connected around the first end of a fixing member the first part having an annular recess which opens to receive a second part forming an annular member which fits within the annular recess, wherein a pressurized medium chamber is... | 03/27/2007 |
| 7185577 | Tandem pump unit The present invention provides a tandem pump unit that includes: a first hydraulic pump and a second hydraulic pump respectively having a first pump shaft and a second pump shaft respectively having adjacent ends connected together so that the first and second pump ... | 03/06/2007 |
| 7174712 | Hydrostatic transmission bypass linkage Disclosed is a vehicle comprising a transaxle and a bypass mechanism. The transaxle has a plurality of mounting holes for use in attaching the transaxle to the vehicle. Further, the transaxle has at least one mounting hole more than is used to attach the transaxle t... | 02/13/2007 |
| 7163077 | Frame structure of a vehicle A frame structure of a vehicle includes a flywheel housing, an intermediate housing and a transmission case that are connected to each other along a longitudinal axis of the vehicle to constitute a vehicle frame with an inner space for accommodating a running-power ... | 01/16/2007 |
| 7134276 | Cylinder block brake for a hydrostatic drive apparatus A cylinder block brake for a hydrostatic transmission or transaxle is provided. A braking member is located in a housing adjacent to a motor cylinder block and has a first position where it is not engaged to the motor cylinder block and a second, braking position wh... | 11/14/2006 |
| 6993905 | Oil hydraulic cylinder An oil hydraulic cylinder configured to allow an object to be smoothly and continuously lifted without being clatteringly swayed and unnecessarily rotated by the oil hydraulic while supply of the oil hydraulic remains uninterrupted when an adjusting lever is manipul... | 02/07/2006 |
| 6971469 | Self-propelled working vehicle A self-propelled working vehicle comprises a front wheel unit, a rear wheel unit including a left rear wheel and a right rear wheel, and a drive transmission apparatus for transmitting drive from an engine to the rear wheel unit. The drive transmission apparatus inc... | 12/06/2005 |
| 6966803 | Control apparatus for hybrid vehicle In a control device of a hybrid vehicle provided with an engine and a propulsion motor, at least one of which is used for driving the hybrid vehicle and a high voltage battery which power is charged and discharged by driving or regeneration operation of a propulsion... | 11/22/2005 |
| 6902017 | Transaxle apparatus and four-wheel driving working vehicle using the apparatus An articulate vehicle has first and second frames, which are coupled to each other at proximal ends thereof with respect to the vehicle through a coupling part so as to be relatively rotatable around a vertical axis according to steering operation. The first and sec... | 06/07/2005 |
| 6880333 | Control assembly for a hydraulic device A control system for a vehicle having a hydraulic drive device such as a hydrostatic transmission or integrated hydrostatic transaxle with a return to neutral feature and a brake mechanism. The system includes a pair of linkages connected to the vehicle brake pedal;... | 04/19/2005 |
| 6663354 | Hydrostatic axial piston machine with a control port, a cradle supported swashplate and a swashplate actuating piston A hydrostatic axial piston machine has a cylinder block with bores holding reciprocating pistons, a swashplate supporting the pistons, and control cams to supply the bores with hydraulic fluid. The swashplate is a pivoting cradle mounted on friction beari... | 12/16/2003 |
| 6634172 | Thermal contraction control apparatus for hydraulic cylinders A method and apparatus for operating a load lifting device to move a load and hold the load steady is disclosed. In the conventional arts, a lifted or lowered suspended load had a tendency to move from its desired position, as hydraulic fluid in the lifti... | 10/21/2003 |
| 6594993 | Hydraulic driving device and system for a vehicle Hydraulic driving device with a hydraulic motor and a bearing arrangement in which the output shaft of the hydraulic motor is supported. Typically, the bearing arrangement is axially supported on the output shaft between a shoulder of the output shaft and... | 07/22/2003 |
| 6553759 | Transmission for a working vehicle The present invention is so designed that a housing of a transmission which can drive front wheels and rear wheels and a power take-off shaft is constructed having a first chamber and a second chamber. A hydrostatic transmission is housed in the first cha... | 04/29/2003 |
| 6484497 | Neutral brake A neutral brake system for use in a hydrostatic transmission to automatically apply a brake when the hydrostatic transmission is shifted to neutral. The neutral brake system includes a hydraulically-released, spring-activated brake mechanism in direct flu... | 11/26/2002 |
| 6477836 | Pilot control system A pilot control system for maintaining a constant operating hydraulic fluid pressure in a hydraulic system throughout a range of hydraulic fluid flow and temperature conditions. The pilot control system has a pilot pump and a pilot relief valve in fluid c... | 11/12/2002 |
| 6336323 | Brake for a hydraulic motor In a brake (53) for a hydraulic motor (10), a braking piston (66) is added that can move toward and away from fixed friction discs (54) and rotating friction discs (55). A braking passage (73) leads a high-pressure fluid into the braking piston (66) to pr... | 01/08/2002 |
| 6293100 | Hydraulic engine with compact brake A hydraulic motor (1) comprising a casing (2A, 2B) a reaction member having a reaction profile (4), a cylinder block (6), an internal fluid distributor (16) suitable for putting the cylinders (12) of the cylinder block (6) in communication with fluid feed... | 09/25/2001 |
| 6260653 | Hydrostatic motor unit A hydrostatic motor unit designed as a wheel drive comprises at least two hydraulic motors, at least one of which has a variable capacity. The hydraulic motors can be switched hydraulically in parallel and have output rotors that can be coupled with each ... | 07/17/2001 |
| 6250077 | Hydraulic continuously variable transmission for use on vehicle A hydraulic continuously variable transmission for use on a vehicle comprises a hydraulic variable pump, which is driven by an engine, and a hydraulic variable motor, which is driven by oil discharged from the hydraulic variable pump to drive wheels. In a... | 06/26/2001 |
| 6170243 | Brake mechanism A brake mechanism is provided for use in braking an axle within an axle housing on an associated vehicle. The brake mechanism includes a brake stack, an actuation plate, a pressure plate, gears means for operatively connecting a brake pedal to the actuati... | 01/09/2001 |
| 6067795 | Hydraulic continuously variable transmission for use on vehicle A hydraulic continuously variable transmission for use on a vehicle comprises a hydraulic closed circuit, first and second pressure controlling means, brake operation detecting means and deceleration detecting means. The hydraulic closed circuit includes ... | 05/30/2000 |
| 6038859 | Hydraulic fluid circuit having a hydraulic motor and a three-position selector for selecting the circulation of fluid This invention relates to a hydraulic fluid circuit comprising a reversible hydraulic motor, a braking device, two principal conduits respectively connected to the two principal supply and exhaust ports of the motor, a principal selector adapted to occupy... | 03/21/2000 |
| 5689955 | Hydrostatic transaxle having improved brake design A hydrostatic transmission including a fluid pump and fluid motor mounted within a transmission housing, and a brake connected to the motor shaft. The housing includes upper and lower sections. The brake includes rotor and stator plates, and a pin for urg... | 11/25/1997 |
| 5467597 | Hydromechanical transmission A hydromechanical transmission which includes a swash-plate type hydrostatic axial piston motor with a rotary cylindrical drum having work cylinders and a driven shaft. A planetary gear is located adjacent to and coaxial with the piston motor and includes... | 11/21/1995 |
| 5394699 | Axle driving apparatus An axle driving apparatus wherein a brake disk is fixed to one of the output shaft of a hydraulic motor and a rotary shaft of a power transmission, and the disk, and a brake disk and an actuator cooperative therewith are held immersed in oil retained in a... | 03/07/1995 |
| 5390495 | Assembly of a hydraulic motor and of a brake and compactor applying same This invention relates to an assembly of a hydraulic motor and of a brake which is coupled thereto, comprising in particular a brake shaft which traverses said motor and brake entirely. According to the invention, the brake shaft comprises an axial throug... | 02/21/1995 |
| 5209064 | Device for mutual immobilization of two elements mounted for relative rotation This invention relates to an assembly of a hydraulic motor and a combined device for immobilization, comprising: a reaction cam; a cylinder-block mounted to rotate with respect to the reaction cam; a first immobilization member fast with the cylinder-bloc... | 05/11/1993 |
| 5199259 | Assembly composed of a pressurized fluid mechanism and a disc brake coupled thereto The present invention relates to an assembly of a pressurized fluid mechanism and a brake coupled thereto. The assembly comprises an internal fluid distributor value having a communication face defining, within the housing of the assembly, two enclosures ... | 04/06/1993 |
| 5142940 | Vehicle transmission assembly In a transmission assembly comprising a transmission casing (11) disposed between left and right rear wheels (13) and a hydrostatic transmission (16) supported by a plate member (15) secured to a front of the transmission casing, an axial plunger-type hyd... | 09/01/1992 |
| 4941320 | Industrial hydraulic door operator A door operator having a fluid drive motor and a manual override. The bidirectional hydraulic motor connects to a drive shaft through a power train including a shiftable --quill--type manual clutch mechanism which allows an alternate connection of the dri... | 07/17/1990 |
| 4930312 | Brake actuator for hydraulic motors A brake actuator for use in combination with a hydraulic motor which includes a port structure. The port structure defines an interface with a motor block of the hydraulic motor and includes ports for supplying fluid to the motor. A brake is operatively a... | 06/05/1990 |
| 4891942 | Hydraulically powered actuator for maintaining a member under preload A hydraulically powered actuator (16) for moving a member (28 or 30) into and away from a position at which the member is under a preload is disclosed. A hydraulically powered motor (22) is utilized which is coupled to the member for moving the member to ... | 01/09/1990 |
| 4858435 | Fluid pressure control circuit for working vehicle having transmission operable by fluid pressure A fluid pressure control circuit for a working vehicle having a transmission operable by a fluid pressure and a negative type fluid pressure parking brake. The control circuit comprises a fluid pressure cylinder movable to a first end position to place th... | 08/22/1989 |
| 4845949 | Parking brake for integrated transmission A vehicle includes at least a pair of drive wheels, each wheel being independently controlled by an integrated transmission, each transmission being powered by an input shaft operably driven by a common engine. Each transmission is of a type wherein a pum... | 07/11/1989 |
| 4720975 | Control valve A control valve (10) is disclosed for use in controlling a winch motor (12) on a winch. The control valve (10) is employed with a conventional operating valve (32). When the operating valve is in the neutral position, the control valve (10) acts as a hydr... | 01/26/1988 |
| 4694647 | Hydraulic circuit system for use in hydraulically operated vehicles A hydraulic circuit system for use in hydraulically operated vehicles having a bidirectionally rotatable hydraulic motor with a brake unit, a directional control valve for controlling a pressurized fluid supply to the motor, bypass circuits connected betw... | 09/22/1987 |
| 4615174 | Fluid circuit system for operating bidirectional hydraulic motor A fluid pressure control circuit for operating a bidirectional hydraulic motor comprises first and second main conduits for selectively supplying the pressurized fluid delivered by a main hydraulic pump through a pilot fluid pressure operated three-positi... | 10/07/1986 |
