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| Number | Title | Issue Date |
| 7374010 | Transmission for a working vehicle and vehicle A transmission for a working vehicle for transmitting drive power from an engine to a driving axle that includes: a flywheel including a flywheel body operatively connected with the engine and a flywheel housing for accommodating the flywheel body; a main-speed-chan... | 05/20/2008 |
| 7331416 | Oil-hydraulic vehicle This invention provides an oil-hydraulic vehicle whose driving force can be adjusted finely and which can be run smoothly and comfortably. The oil-hydraulic vehicle comprises a wheel-driving means 40 for driving a wheel 31, which includes an oil-hydrau... | 02/19/2008 |
| 7281601 | Fluid driven differential A fluid driven differential, having a fluid filled housing, an input shaft, and a pair of output shafts. The input shaft is attached to an automobile driveshaft outside of the housing and to a propeller inside the housing. The output shafts are each attached to an a... | 10/16/2007 |
| 7231999 | Steerable primary axle A steerable primary axle for a fairway mower or other machine includes a pair of motors mounted in fixed positions on opposing ends of an axle. The mechanical drive system includes a pair of input shafts having input bevel gears, a pair of output shafts with output ... | 06/19/2007 |
| 7225704 | Transmission for a working vehicle In a transmission for a working vehicle, a working unit includes a hydraulic power unit and a valve unit enclosed in a first bulging portion of a transmission case closer to an upper side or on a top surface thereof and connected with each other along a vehicle leng... | 06/05/2007 |
| 7147078 | Charging a fluid accumulator while operating a hybrid vehicle powertrain including an engine and a pump/motor A system for replenishing a source of pressurized fluid for use in driving the wheels of a motor vehicle includes an accumulator containing fluid at relatively high pressure; a reservoir containing fluid at lower pressure; an engine driveably connected to the wheels... | 12/12/2006 |
| 7143858 | Transmission for a working vehicle and vehicle A transmission for a working vehicle for transmitting drive power from an engine to a driving axle that includes: a flywheel including a flywheel body operatively connected with the engine and a flywheel housing for accommodating the flywheel body; a main-speed-chan... | 12/05/2006 |
| 6988571 | Crawler tractor The purpose of the invention is to enable a crawler tractor to brake and stop certainly without applying a load to an engine and a driving mechanism, and without complicated operation. An operation link links a conic linkage (53) which links a steering wheel ... | 01/24/2006 |
| 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 |
| 6923092 | Control mechanism for a hydraulic device A control mechanism for a transmission such as a hydrostatic transmission or transaxle which simplifies construction and enables the user to change the orientation of the transmission in a vehicle. A first linkage member is rotatably mounted on a support rod and has... | 08/02/2005 |
| 6913103 | Hydraulically driven traveling vehicle A hydraulically driven traveling vehicle comprising a pair of right and left driving axles (driving sprockets) differentially connected to each other by a differential mechanism, the input section of the differential mechanism having the output rotation of traveling... | 07/05/2005 |
| 6896088 | Operation of wheeled work machine The present invention includes a control system for, or methods of controlling a wheeled work machine to accommodate desired travel control. Acceleration and deceleration inputs are provided, as is a controller for controlling hydrostatic motors to achieve desired a... | 05/24/2005 |
| 6877580 | Transmission for a working vehicle and vehicle A transmission for a working vehicle for transmitting drive power from an engine to a driving axle that includes: a flywheel including a flywheel body operatively connected with the engine and a flywheel housing for accommodating the flywheel body; a main-speed-chan... | 04/12/2005 |
| 6874593 | Driving apparatus for speed changing and steering of a vehicle A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle chassis. Ea... | 04/05/2005 |
| 6848530 | Hydromechanical speedchange device and vehicle having speed change device mounted thereon An HMT apparatus (T) is mounted on a vehicle (A). In the HMT apparatus (T), input rotational force from an engine (13) is once divided into two systems which are then transmitted by an MT device (23) and by an HST device (24) respectively and ar... | 02/01/2005 |
| 6848532 | Transmission control systems A transmission control system, such as for a self-propelled, walk-behind lawn mower, is provided for controlling first and second hydrostatic transmissions in which each one of the transmissions has a hydraulic dump actuator and a brake actuator. The transmission co... | 02/01/2005 |
| 6745864 | Axle driving unit for a lawn tractor An axle driving unit having a housing (21, 22) for supporting a first axle (17) for mounting thereon a first driving wheel (3L), and a longer second axle (18) for mounting thereon a second driving wheel (3R). The axle driving unit ... | 06/08/2004 |
| 6651770 | Driving apparatus for speed changing and steering of a vehicle A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle ... | 11/25/2003 |
| 6648094 | Driving apparatus for speed changing and steering of a vehicle A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle ... | 11/18/2003 |
| 6629577 | Driving apparatus for speed changing and steering of a vehicle A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle ... | 10/07/2003 |
| 6591936 | Driving apparatus for speed changing and steering of a vehicle A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are arranged in a longitudinal row and are attached to a vehicle ... | 07/15/2003 |
| 6443254 | Transaxle device A drive mechanism for driving a vehicle, comprising a pair of drive wheels each having a drive shaft, a source of hydraulic oil under pressure on the vehicle and controlled by a control unit for delivering hydraulic oil in two directions, wherein the driv... | 09/03/2002 |
| 6253137 | Oil pressure supply device for vehicle drive system An engine and a motor are connected to the drive wheels of a vehicle via an automatic transmission. The drive wheels are driven using one of or both of the motor and the engine depending on the running state. The automatic transmission varies the drive ra... | 06/26/2001 |
| 6227326 | Variable displacement hydrostatic drive for tractors A splitter gearbox for a four wheel drive, hydrostatically driven tractor integrates both the input drive train and the output drive train into a single gearbox. The drive mechanism eliminates the need for a separate mechanical gearbox by establishing pre... | 05/08/2001 |
| 6164404 | Radial torque drive system A torque converting linkage (10) comprising two turbines, an impeller and a reactor (12 & 14), which rotate on shafts (16 & 18) within separate fluid-filled housings (20 & 22) is disclosed. Each housing (20 & 22) includes an outlet port and an inlet port ... | 12/26/2000 |
| 6073716 | Hydraulic system for vehicular traction drive A method and system for a hydraulic drive for a vehicle wherein when one of the vehicle traction wheels is in a frictionless spin mode, then the hydraulic pressure is subjected to the action of the fuse which directs the pressure or increase in hydraulic ... | 06/13/2000 |
| 5152658 | Hydrostatic system for lift truck This invention relates to a hydrostatic axle for a lift truck comprising a frame, two displacement members coupled to motors and a mast for handling mounted to pivot with respect to said frame, this axle comprising two drive assemblies, right- and left-ha... | 10/06/1992 |
| 4548096 | Compact fluid drive transmission A fluid drive transmission system removably mounted to the axle of a motor vehicle. A power output drum connected to the wheel forms in part a fluid chamber. A power input rotor keyed to the axle extends through the center portion of the drum. Rotor blade... | 10/22/1985 |
| 4484656 | Carrier vehicle for seismic vibrational system An over-the-road type vehicle for transport and powering of a seismic hydraulic vibrator which is adapted to operate in either one of two modes of operation. A first mode is the conventional mode wherein the vehicle is operated over large distances at var... | 11/27/1984 |
| 3939936 | Dual converter transmission arrangement A vehicle, which includes a motor having rotary output means, further includes a pair of torque converters, both driven by the rotary output means of the motor. Each torque converter drives a multi-speed transmission, and both transmissions drive a rotata... | 02/24/1976 |
