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7360613 |
Transmission for speed changing and steering of a vehicle
A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST...
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7338061 |
Stabilized vehicle using articulating joint
The present invention provides a critical breakthrough in wheeled vehicle concepts, by enabling stable vehicle operations, where wheelbase configuration varies in relation to the need for roll...
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7331411 |
Hydraulic traction system for vehicles
A hydraulic traction system for vehicles is described. The system comprises a hydraulic vane motor mounted at each wheel of the vehicle, and equal number of identical hydraulic vane motors operated...
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7328763 |
Hybrid drive system of vehicle
A hybrid electric drive system for a vehicle comprises a combustion engine ( 1 ), a transmission ( 2 ), a first clutch ( 3 ) disposed between the engine ( 1 ) and the transmission ( 2 ), a rotating...
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7328759 |
Mobile robot with 360 degrees endless rotation type decoupled turret
The object of this invention is to provide a mobile robot base with a decoupled turret mechanism, including a turret ( 80 ), a turret motor ( 1 ) provided on the turret ( 80 ), an actuating motor...
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7325636 |
Front-wheel drive steering compensation method and system
A method of controlling the speed of a right front wheel and a left front wheel on a work machine includes receiving a speed command based at least partially on an operator input and monitoring at...
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7316287 |
Hydraulic pump unit, hydraulic pump set, and working vehicle
There is provided a working vehicle having first and second hydraulic pump units operatively driven by a driving source and arranged away to each other in a width direction of the vehicle. In the...
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7306062 |
Tractor with hydraulic speed and steering control for steering at maximum speed
A tractor has hydraulically driven wheels at a cab end and castor wheels at an engine end. It can be driven cab forward in a working mode with a header on the forward end. It is rotated to engine...
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7302789 |
Mechanism for discontinuing power to an implement drive during machine reverse travel (no power in reverse) with automatic reengagement
An apparatus, systems and methods for automatically disengaging and re-engaging a cutting implement on a mowing machine by disconnecting and connecting, respectively, electrical power to an...
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7299610 |
Park/drive mechanical interlock system for zero turn radius mowers
A zero turning radius mower is provided with twin operating levers that are manipulated by the driver to control steering, speed and forward or reverse direction of the mower. When the two drive...
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7285896 |
Electrically-actuated A.C. or D.C. motor for providing differential vehicle traction
The device includes a housing and an outer shell including tightly wound wire coils fitted within the housing. Rotatable armatures including associated commutators are disposed at outer end...
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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...
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7270201 |
Trailer moving vehicle
A vehicle for moving trailers that are not coupled to their usual towing vehicle in which steering is conducted by an operator walking next to the vehicle and moving separate ones of a pair of...
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7270200 |
Working vehicle
A working vehicle having a pair of left and right HSTs having hydraulic pumps, hydraulic motors and trunnion shafts for regulating the drive speed of the hydraulic motors by varying compressed oil...
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7267188 |
Electric vehicle
An electric vehicle has a control unit having a decelerating control function of decelerating an electric motor disposed on a side of a vehicle body corresponding to a turning direction of the...
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7264068 |
Steering control system for a skid steer vehicle
A skid steer vehicle has a steering controller that monitors the speeds of the left and right wheels and steers those wheels in directions that are calculated to reduce, eliminate or minimize wheel...
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7258181 |
Omni-directional vehicle with trailer mule hitch assembly for moving semi-trailers
An omni direction vehicle (ODV) with a frame having a round surface about its perimeter rotatably coupled to a trailer mule hitch assembly having an axle, wheels and a fifth wheel plate located...
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7246670 |
Work vehicle with hydrostatic steering system
A work vehicle with a hydrostatic steering system is disclosed which is capable of performing optimum control of the absorption torque of a hydraulic pump according to running load; capable of...
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7237630 |
Steering arrangement for a work machine
A steering arrangement is provided for a work machine that includes a braking device, actuated by an actuation switch, to hold an operator input device in a predetermined position during operation....
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7213662 |
Mower with lever actuated drive control
A mower includes an engine-driven transmission for driving a pair of wheels at rate that varies according to the position of a transmission setting control selected by an operator. The transmission...
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7198121 |
Skid steer vehicle with belt drive suspension
A skid steer vehicle has two drive motors that are connected by belts to spring-mounted front and rear wheels.
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7178334 |
Hydrostatic vehicle drive system comprising a differential lock
The invention relates to a hydrostatic vehicle drive system ( 1 ) comprising a first and a second hydraulic pump ( 2, 3 ), and a first and a second hydraulic motor ( 7, 12 ). Said hydraulic pumps (...
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7172041 |
Drive-by-wire lawnmower
The mower has at least two independently driven wheels that are each capable of bi-directional rotation. The at least two wheels are independently driven so that operation of the at least two...
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7117962 |
Articulated forklift truck
An articulated forklift truck for use in narrow aisles comprises a front chassis section ( 10 ) having a first pair of ground-engaging wheels ( 20 ) and a rear chassis section ( 12 ) having a...
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7101139 |
Automated material handling system with motorized transfer vehicles
A material handling system for use in storing and moving goods within multi-level storage warehouses, ocean going vessels and the like wherein storage areas are provided on at least one of the...
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7086490 |
Tracked vehicle
A tracked vehicle has smooth driving and idler wheels ( 6, 7, 8, 9 ), which frictionally transmit the tractive force to tracks ( 3, 4 ), e.g. rubber tracks, and which are mounted on a frame ( 3 )...
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7074151 |
Drive configuration for a skid steered vehicle
An electric drive configuration for a skid steered vehicle comprises: a pair of propulsion motors ( 74 a, 74 b ), each with a motor shaft protruding from both ends of the motor and mounted on the...
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7063177 |
Walk behind mower
A walk behind mower includes an engine-driven transmission for driving a pair of wheels at rate that varies according to the position of a transmission setting control selected by an operator. The...
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7059434 |
Hand controls for small loader
A control system for a small work vehicle such as a compact track propelled loader has a control handle that is mounted onto a swinging support plate. The support plate swings about a vertical axis...
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7059433 |
Riding lawn mower
A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST...
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7044258 |
Direct drive suspension
A skid steer vehicle is supported on four gearboxes that function both as control arms and as speed reduction gearboxes. Each side of the vehicle's chassis has two gearboxes to which it is coupled....
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7040425 |
Trailer mule vehicle for moving semi-trailers
A trailer mule vehicle with a frame, two independent drive wheels located at the rear of the frame on a common axis, two caster support wheels located at the front of the frame, and a fifth wheel...
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7036615 |
Hydrostatic transmission connection apparatus
A transaxle assembly having at least two transaxle housings for a zero turn or similar vehicle, where both housings mount separate hydrostatic transmissions. A mounting plate is provided to secure...
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7000724 |
Skid steer vehicle with bogie suspension
A skid steer vehicle has a suspension that includes two bogies pivotally connected to the sides of the vehicle and extending fore-and-aft along each side of the vehicle. The bogies are pivotally...
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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...
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6988570 |
Direction control device of control target
The left and right rear drive wheels of a vehicle are controlled independently, and the traveling direction of the vehicle is changed by providing a rotational speed difference between each of the...
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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...
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6968913 |
Skid steer vehicle including steering actuators to simultaneously steer one side's wheels
A skid steer vehicle includes a left side steering actuator that is coupled to left front and left rear drive wheels to steer the wheels with respect to the chassis, a right side steering actuator...
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6962219 |
Mechanical ZTR system with steering wheel
A ZTR vehicle includes true or proper ZTR steering in the forward and reverse directions. The vehicle has independently driven locomotive drives that drive the wheels to provide mobility and...
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6948576 |
Driving and transmission unit for use in rolling vehicles
A driving unit for use with a rolling vehicle is provided containing a first and second motor mechanically coupled to two wheels via a transmission unit which is pivotable about the steering axis...
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6942047 |
Drift adjustment for skid steering system
An adjustment stop screw or bolt is provided for adjusting the full forward speed position of at least one steering lever on a skid steer loader. The stop screw will engage a member movable with...
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6935446 |
Walk behind mower
A self propelled walk behind mower including a tractor unit and a mowing deck. The tractor unit is hydrostatically driven with a unique control system whereby the forward speed of the tractor is...
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6921109 |
Device providing variable steering responsiveness
The present invention relates to a steering linkage device which transmits a user's input motion to at least one wheel of a vehicle, wherein the steering linkage device produces an output motion of...
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6902016 |
Pivoting panel for mechanical control disengagement
A small or mini loader is operated by a platform standing on the ground or other surface supporting the loader, and at the rear of the machine. Hydraulic control levers operate drives on opposite...
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6886646 |
Self-propelled operating machine
A self-propelled operating machine has a power source, a hydraulic CVT for varying power outputted from the power source, and a transmission mechanism connected to the hydraulic CVT for...
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6860345 |
Omni direction vehicle
An omni direction vehicle with a frame having a round surface about its perimeter with no apparatus mounted on the frame extending beyond the perimeter. Two independent drive wheels located on an...
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6845829 |
Utility vehicle with foot-controlled mobility
A utility vehicle with foot-controlled mobility is provided that includes a skeletal frame structure supporting a gasoline engine which utilizes a belt drive system to drive hydraulic motors with...
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6827174 |
Driver control input device having opposing movable posts for steering
A driver control input device includes left and right control posts each having a hand grip. The control posts are movable forwardly and rearwardly and are sufficiently linked together such that...
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6823961 |
Skid steer vehicle with axle housing having a double gear reduction
A skid steer vehicle has a drive system that includes a hydraulic motor coupled to a speed-reduction gearbox. One or more drive shafts extend fore-and-aft from the gearbox and are coupled at each...
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6817430 |
Connection apparatus for a transaxle assembly having two housings
A transaxle assembly having at least two transaxle housings for a zero turn or similar vehicle, where both housings mount separate hydrostatic transmissions. A mounting plate is provided to secure...
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