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Patent Searching and Data


Matches 201 - 250 out of 8,944

Document Document Title
WO/2001/032495A1
A moving carriage capable of being pulled over, namely, moved laterally on a traveling surface easily in a direction crossing a moving direction by providing thereon a plurality of moving means such as drive wheels or endless crawlers, w...  
WO/2001/030635A1
A mobile motorized apparatus (12) for moving medical imaging equipment (16) about a portion of a body of a patient (18). The apparatus (12) includes a lower chassis (44) and an upper chassis (37). The upper chassis (37) can be moved in a...  
WO/2001/030636A1
The invention relates to a method for steering and driving a self-propelled working machine, or a working machine comprising front wheels and steerable rear wheels. In order to guarantee high steering stability at all driving speed range...  
WO/2001/028800A1
An integrated hydromechanical axle driving device (2), comprising a pair of drive axles (40L, 40R), a differential mechanism (5) differentially connecting both drive axles to each other, a hydraulic continuously variable transmission mec...  
WO/2001/001860A1
The invention relates to a mobile X-ray apparatus that comprises a carriage provided with at least one pair of independently driven driving wheels and their motor means (12). The carriage includes a driving handle, which comprises sideba...  
WO/2000/076902A1
A side fork type transportation vehicle, wherein, when the vehicle runs straight forward in normal running mode in which a pair of right and left drive wheels (2) and steering wheels (3) face in longitudinal direction, the vehicle can be...  
WO/2000/071378A1
A snow thrower having a pair of wheels (36, 38; 40, 42) on each side is described herein. The snow thrower includes two laterally spaced wheel drive assemblies (20; 22) for independently supplying power from the engine (12) to each pair ...  
WO/2000/050291A1
A compact steering system with a differential mechanism, suitable for a track-laying vehicle on which the engine is mounted sideways, is provided. The steering system for track-laying vehicles having an input shaft (11) connected to an o...  
WO/2000/035735A1
An arrangement (10) for the steering and coupling together of two associated tracked units to form an articulated tracked vehicle set, comprising a first upright (12) for releasable coupling to a fixture (14) on one of the tracked units,...  
WO/2000/035736A1
A work vehicle in which a driving force is transmitted to left and right travel crawlers (2) through a transmission member (25) for changing the traveling speed continuously by operating a travel transmission lever (73), and a steering m...  
WO/2000/025041A1
A hydraulic and mechanical composite transmission (40), wherein a mechanical speed change mechanism (30) having a differential part (7) comprising a group of planetary gears and a hydraulic continuously variable transmission mechanism (2...  
WO/2000/023297A1
Control apparatus for an electric vehicle is described, the control apparatus comprising input means operable to generate a signal indicative of a desired forward motion of the vehicle and a signal indicative of a desired turning motion ...  
WO/2000/019127A1
A transmission for speed changing and steering of a vehicle includes a first hydrostatic pump (52) and motor (53), a first differential (24') for speed changing, a second hydrostatic pump (71) and motor (72), and a second differential (2...  
WO/2000/006408A1
The invention relates to a hydrostatic drive (1) comprising a first hydraulic pump (2) and a second hydraulic pump (3), in addition to a first hydraulic motor (7) and a second hydraulic motor (12), said hydraulic pumps (7, 12) driving se...  
WO/2000/001569A1
A driving apparatus (2) for speed changing and steering of a vehicle consists of a first driving unit (21) for speed changing in advancing and reversing and a second driving unit (22) for steering, which are arranged in a longitudinal ro...  
WO1999054554A3
A vehicle (10) with a driving track assembly (26) and a pair of secondary driving assemblies (36) disposed on opposing lateral sides of the track. Each secondary driving structure includes a ground engaging driving structure that is pref...  
WO/1999/055574A1
Continuously driven machine steering differentials have heretofore been complex for counter-rotating a pair of oppositely located planetary elements. The planetary steering differential (10) includes a differential (21) powered by a tran...  
WO/1999/054554A2
A vehicle (10) with a driving track assembly (26) and a pair of secondary driving assemblies (36) disposed on opposing lateral sides of the track. Each secondary driving structure includes a ground engaging driving structure that is pref...  
WO1999040499A9
A cruise bar (40) is provided for use with a lawn tractor (10). The lawn tractor (10) includes a frame (18), driving means (14) for use in driving the lawn tractor (10), a first drive wheel (16a) for use in driving the lawn tractor (10),...  
WO/1999/046972A1
Broadly, one aspect of the present invention is an articulated combine (10) having increased grain storage capacity (e.g., 1,200 bushels) and which is composed of a forward unit (12) having an operator's cab (15), an engine (18), a grain...  
WO/1999/040499A1
A cruise bar (40) is provided for use with a lawn tractor (10). The lawn tractor (10) includes a frame (18), driving means (14) for use in driving the lawn tractor (10), a first drive wheel (16a) for use in driving the lawn tractor (10),...  
WO/1999/038752A1
A children's ride-on vehicle is provided with a chassis (12) formed at least in part of molded plastic, a seat (14) mounted to the chassis (12) and configured to accommodate a driver, and first and second driven wheels (16, 18) mounted t...  
WO/1999/032344A1
The invention concerns a steering method for a walking person driving a self-propelled trolley comprising a right drive wheel, a left drive wheel, at least two pivoting wheels, a handle for the trolley to be operated by the driver, which...  
WO/1999/010606A1
A skid steer loader vehicle (10) comprising a body having a front end (12) and a rear end (13) and provided with first (14) and second (17) ground engageable propulsion means respectively disposed on opposite sides of the vehicle and in ...  
WO/1998/051523A1
A drive unit provided with a power transmission path interlockingly connecting an engine (E) to left and right sprockets (12L, 12R), which are adapted to drive left and right crawlers (11) of left and right traveling parts (1L, 1R), via ...  
WO/1998/043845A1
The present invention relates to a device for a differential gear for vehicles, comprising driving means (32, 210) capable of driving the vehicle and steering means (18, 212) capable of changing the direction of the vehicle, which differ...  
WO/1998/032645A1
A mobile agricultural machine which comprises travelling speed change members (23, 24) for effecting speed change and transmission of a drive force of an engine (21) to right and left travelling sections (2, 2), with a travelling speed c...  
WO/1998/022734A1
A multiple input, dual output differential motor transmission device (141, 142) incorporates a sun gear device (12) having first and second sun gears (12a, 12b) fixedly connected to each other whereby the first and second sun gears (12a,...  
WO/1998/012098A1
In an operation mechanism of an HST system transmission apparatus of the type in which an HST system non-stage transmission mechanism for driving and an HST system non-stage transmission mechanism for turning are disposed, the HST system...  
WO/1998/010972A1
A pump operating unit (40) is provided in an operating section for controlling the steering and speed change of travelling sections (1L, 1R) connected interlockingly to a pair of variable flow rate control pumps (PL, PR) via link mechani...  
WO/1998/006617A1
Child's vehicle (10) including body portion (12) configured to carry a child, having at least three wheels (20, 22) mounted to the body portion. The vehicle includes a drive system with an electric motor (24) and a battery (26), the driv...  
WO/1997/045313A1
An electrically powered vehicle having two primary ground engaging wheels (5) operatively connected to a driving motor (10) by an automatic transmission (50) and to a steering motor (20) by a shiftable bevel gear (7b) which permits oppos...  
WO/1997/040996A1
A road maintenance tracklaying vehicle (1) has an internal combustion engine (2) which drives by means of a gear (3, 13, 14) the tumbler (4) of each track (5), and secondary drives (6) for accessory units (7, 8, 9) such as rotary snow pl...  
WO/1997/010114A1
A coupling device (7) interposed between right and left wheels (5L, 5R) of a vehicle. The device can perform a start assisting control, a turning control for improving the turning performance by positively generating a differential rotat...  
WO/1997/002975A1
A differential driving system capable of operating as a steering system for skid steer vehicles having two differentials, a steering differential (11) dedicated to steering and a propulsion differential (1) having its planet carrier (2) ...  
WO/1997/000190A1
A cross-drive steering transmission for steering a tracklaying vehicle is characterised in that at least two fixed mechanical reduction gears allow for at least two turning radii, in that steering radius automatic switching means are pro...  
WO/1996/018056A1
A hydraulic pilot valve comprises a valve body, first, second and third pressure reducing valves formed in the valve body and each having an inlet port, an outlet port and a spool for providing communication and shut-off between the inle...  
WO/1996/013395A1
A ball joint assembly comprising a base member (60), a spherical member (20), a ring of at least three rolling members (40) mounted around the spherical member (30) such that a point on a rolling surface of each of the least three rollin...  
WO/1996/005996A1
A vehicle for underground mine shafts comprising a body (11) having a cabin (21) for passengers, a pair of tracks (12) on either side of the cabin (21), a drive means (35) for driving the tracks (12), steering means (239, 287) for steeri...  
WO/1996/004163A1
A system and process for operating a track trencher excavation machine includes multiple mode propulsion and steering controls that perform a plurality of functions depending on a selection of one of a plurality of operational modes. A c...  
WO/1995/035220A1
A running control circuit for a hydraulically driven running device comprising a hydraulic pump, parallel left- and right-hand directional control valves provided along a discharge path of the hydraulic pump, sets of first left- and righ...  
WO/1995/034460A1
A motor vehicle (1) including modular units for operating two rear wheels (10) of the vehicle, the motive unit (3) includes a rigid link (100) which is pivotally connected between the rear wheel and the motive unit, and the motive unit i...  
WO/1995/026277A1
A travelling hydraulic device characterized in that left and right direction change-over valves are provided for supplying pressure oil to left and right travelling hydraulic motors, that a spool hole having a pump port, an actuator port...  
WO/1995/018736A1
A hydro-mechanical steering differential for providing differential steering of the left and right hand tracks of a tractor is disclosed. The steering differential is powered by a mechanical input and a hydraulic input, and includes left...  
WO/1995/015272A1
The invention relates to a cross-drive steering transmission for a tracked vehicle, in particular a protection device for such a steering transmission (7). Steering transmissions for tracked vehicles have the essential disadvantage that ...  
WO/1995/011816A1
An articulated tracked vehicle (10) for agricultural harvesting which reduces damage to fields and can be driven on roads at reasonable speeds. The vehicle has elements (12, 14), linked by an articulating joint (230) which permits turnin...  
WO/1994/008837A1
A tracked vehicle (10) propelled by a pair of direct current electric motors (35) operating through a power train to a pair of endless tracks (11). Each power train operates a track drive sprocket (14) through a state of the art torque h...  
WO/1994/003343A1
A linear advancement compensating apparatus for a hydraulic circuit for hydraulically driven vehicles, comprising left and right travelling valves (24, 25) connected at the inlet sides thereof to a hydraulic pressure source (20) via left...  
WO/1994/002346A1
The invention concerns a control device for a vehicle propulsion drive comprising two hydrostatic transmissions (3, 4) with adjustable reduction ratios, each transmission comprising a hydraulic pump (12, 13) and a hydraulic motor (14, 15...  
WO/1993/023278A1
Steering device for a tracked vehicle having at least one endless track. The track is provided with a number of grip shoes (2) comprising an upper part (3) which is fixedly connected with the track, and a sole part (4) which is displacea...  

Matches 201 - 250 out of 8,944