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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8028775 | Spherical mobility mechanism An omni directional mobility device made of a spherical device that is capable of omni directional movement. An omni directional vehicle including a vehicle and at least one omni directional mobility device made of a spherical device for enabling omni directional mo... | 10/04/2011 |
| 8020647 | Steering control system A steering system for a vehicle wherein the first and second axle shafts are driven by a power shaft powered by an engine. A differential gear is interposed between the power shaft and the first and second axle shafts. The steering system has a first hydraulic unit ... | 09/20/2011 |
| 7963349 | Drive and steering equipment for a floor conveyor A drive and steering equipment for a floor conveyor, with a drive unit which has a driving motor, a gear and a driving wheel and which is mounted in a bearing around vertical axis in a vehicle-fixed frame of the floor conveyor, a steering motor which pivots the driv... | 06/21/2011 |
| 7934571 | Moving base for robotic vacuum cleaner A moving base for robotic vacuum cleaner includes a base; a motor mounted in a motor chamber on the base to alternatively drive a drive shaft thereof to rotate clockwise or counterclockwise; a primary wheel fixed to and rotating along with the drive shaft of the mot... | 05/03/2011 |
| 7905302 | Omni-directional aircraft galley servicing vehicle A powered omni-directional aircraft galley servicing vehicle that includes a circular frame and two drive wheels capable of independent powered forward and rearward rotation about a horizontal axis. The drive wheels are adapted to allow the vehicle to spin in place ... | 03/15/2011 |
| 7798259 | Power transmission system and vehicle with it A working vehicle comprises: a vehicle frame; a prime mover mounted on an upper surface of a first portion of the vehicle frame; a pair of left and right transaxles juxtaposed below the vehicle frame, the left and right transaxles having respective single axles so a... | 09/21/2010 |
| 7762360 | Vehicle calibration and trajectory control system A method and system are described for calibrating speed controls for a vehicle having a pair of drive means on opposite sides of the vehicle driven by independent speed controls and where relative speed of the drive means is used to direct the vehicle. In one aspect... | 07/27/2010 |
| 7621353 | Vehicle transmission A vehicle transmission having a pair of left and right HSTs for driving respective axles is applicable for a riding lawn mower. The transmission comprises a center casing incorporating a distributing drive train. In the fore-and-aft direction, an input shaft of the ... | 11/24/2009 |
| 7568536 | Omni-directional robot cleaner An omni-directional robot cleaner, composed of a platform and a plurality of driving units for driving and controlling the movement of the platform, in which the platform further comprises: a sensing unit, for obstacle detection; a cleaning unit, for collecting and ... | 08/04/2009 |
| 7497283 | Mower traction device A device for stabilizing traction in a zero turn mower having a riding frame, a pair of front caster-type wheels, a primary right-side rear wheel and a primary left-side rear wheel, and an asymmetric drive system to said rear wheels for driving and steering, compris... | 03/03/2009 |
| 7441613 | Electric drive system with differential steering An electric drive system is provided. The electric drive system includes a first output member, a second output member, and an electric motor that includes an output shaft having an axis of rotation. The output shaft is operatively engaged with the first and second ... | 10/28/2008 |
| 7434637 | Working-machine steering apparatus Working-machine steering apparatus includes an assist mechanism for reducing a force necessary for operating any one of left and right operating members. First and second cord members, connected to the left and right operating members, are wound on first and second ... | 10/14/2008 |
| 7418327 | Method for determining a control standard of an active vehicle steering device controllable by a control device A method for determining a control standard of an active steering device (10) of a vehicle (1) controllable by a control device (11). A driving dynamic of the vehicle (1) is influenced according to the control standard. The control standa... | 08/26/2008 |
| 7408450 | Steering wheel direction indicator for neutral start A visual steering wheel direction indicator for a self-propelled machine. The indicator may additionally exhibit an indicator of the amount that the steering wheel must be turned in order to reach neutral. The indicator may be integrated into a neutral start system.... | 08/05/2008 |
| 7406374 | Steering ratio control system of vehicle A steering ratio control system of a vehicle includes a variable steering ratio mechanism variably adjusting a steering ratio of a steer angle at left and right steered road wheels to a steering-wheel rotation angle, and a braking/driving force control unit individu... | 07/29/2008 |
| 7401870 | Method and apparatus to enhance brake-steer of a vehicle using a controllable suspension component A system and method of controlling an automotive vehicle having a controllable suspension component includes applying brake-steer to at least one wheel, generating a suspension control signal in response to the brake-steer signal, and allowing at least one wheel cou... | 07/22/2008 |
| 7401425 | Snowthrower wheel drive steering system A snowthrower has independent wheel drive trains to allow steering by clutching one drive train while unclutching the other drive train. The clutch in each drive train comprises a plurality of pivotal pawls carried on a drive member with the pawls pivoting in a plan... | 07/22/2008 |
| 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 is a combination of a hydraulic pump and motor. The pump is driven by... | 04/22/2008 |
| 7357202 | User input for vehicle control A user input for controlling acceleration of a vehicle. The user input has a movable member capable of deflection by a user such that a degree of deflection corresponds to a specified velocity commanded by the user. The correspondence between the degree of deflectio... | 04/15/2008 |
| 7357375 | Deployment and recovery system for self deployed multi-function imaging sensors The invention enables the routine remote deployment of multi-function sensors from unmanned air ground platforms, such that a special assembly containing one sensor can be mounted and operated by remote control. The invention includes a circular frame with attached ... | 04/15/2008 |
| 7337870 | Working vehicle with hydraulic continuously variable transmission A working vehicle provided with a hydraulic continuously variable transmission, has a plurality of wheels; a vehicle body supported by the plurality of wheels; a hydraulic continuously variable transmission that is supported by the vehicle body, and that has a speed... | 03/04/2008 |
| 7334653 | Mechanism for controlling displacement of vehicle hydrostatic transmission system In a displacement-control mechanism for a vehicle hydrostatic transmission system including a traveling hydrostatic transmission (HST) and a steering hydrostatic transmission (HST), a steering link member is extended from a steering displacement-control device of th... | 02/26/2008 |
| 7331412 | Vehicle having twin transmissions for driving respective wheels A vehicle comprises a vehicle frame, a prime mover mounted on the vehicle frame, a laterally turnable wheel disposed at one side of the vehicle frame, a pair of drive wheels disposed at the other side of the vehicle frame, a steering operation device, a traveling op... | 02/19/2008 |
| 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 |
| 7326141 | Compact fault tolerant variable cross-drive electromechanical transmission A transmission drive system (TDS) has two AC induction traction motors, each operatively coupled to two semi-independent coaxial traction shafts, and two AC induction steer motors coaxially mounted on a common steer axis parallel to the coaxial traction shafts. A st... | 02/05/2008 |
| 7318628 | Multiple directional wheel A multiple directional wheel includes a frame having a central hub rotatable about a main axis, a plurality of roller supports radially spaced from the central hub, and a plurality of rollers evenly spaced around the circumference of the wheel and rotatably mounted ... | 01/15/2008 |
| 7314105 | Electric drive axle assembly with independent dual motors An electric drive axle includes a pair of center mounted electric motors that independently drive a pair of laterally spaced wheels. The electric drive axle includes an axle housing assembly that extends between the pair of laterally spaced wheels. Both center mount... | 01/01/2008 |
| 7302327 | Vehicle driving aid apparatus A steering mechanism 1 is configured as a steering mechanism which allows an arbitrary relationship to be set between a steering mechanism unit 2 through which steering of a driver is input and a turning mechanism unit 3 for turning wheels 5,... | 11/27/2007 |
| 7293790 | Omni-directional toy vehicle The invention relates with the omni-directional toy vehicle that can move in all directions of forward, backward, rotational, left and right movement by driving manually the omni-directional wheels installed at the vehicle and combining their rotational directions. ... | 11/13/2007 |
| 7294083 | Torque vectoring axle assembly A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, a speed changing unit op... | 11/13/2007 |
| 7273016 | Variable speed drive for agricultural seeding machines An agricultural seeding machine includes a mechanical drive; a seed meter including a driven shaft; and a planetary gear set. The planetary gear set includes an input shaft connected with the drive, an output shaft connected with the driven shaft, a ring gear, and a... | 09/25/2007 |
| 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 electric vehicle, and an accelerating control function of outputting an a... | 09/11/2007 |
| 7263424 | Apparatus and method for controlling driving force supplied to wheels on opposite sides of vehicle An apparatus for controlling driving forces supplied to left and right wheels of a vehicle, for effectively inhibiting oversteer and understeer states, includes driving force adjusting device for adjusting driving forces supplied to the left and the right rear wheel... | 08/28/2007 |
| 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 generally above the axle. Two independent drive wheels located on an axi... | 08/21/2007 |
| 7256559 | Walking structure of object This invention is a “four-direction moving” structure that can move in all four directions without turning first. It contains two groups of wheels that are arranged perpendicular to one another, i.e. four rows of wheels form a quadrate. Within each group, the wh... | 08/14/2007 |
| 7255116 | Stripe removal system A system for removing paint and other coatings from hard surfaces is mounted on a truck for over-the-road travel. The truck bed carries a high power vacuum pump, a self propelled tractor with an attached blast head, a liquid reservoir, a sump or vacuum tank, and a r... | 08/14/2007 |
| 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 preferentially ensuring turning performance and implement speed when runn... | 07/24/2007 |
| 7243746 | Recreational electric vehicle The recreational electric vehicle (hereinafter REV) is a convenient indoor or outdoor vehicle for one or two people with a space for personal goods. REV is most suited for adaptations for recreational use. It uses electric power for zero pollutant emissions, quiet o... | 07/17/2007 |
| 7237629 | Zero-turn radius vehicle with steerable front wheels The present invention relates to a zero turning radius vehicle having at least one steerable front wheel and a multistage steering input system separately capable of steering the at least one front wheel and selectively driving the drive wheels. A front wheel steeri... | 07/03/2007 |
| 7237748 | Landing gear method and apparatus for braking and maneuvering Aircraft landing gear comprised of a wheel hub motor/generator disks stack, includes alternating rotor and stator disks mounted with respect to the wheel support and wheel. The wheel hub motor/generator can provide motive force to the wheel when electrical power is ... | 07/03/2007 |
