| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 180252000 | HAVING AT LEAST ONE WHEEL BOTH DRIVEN AND STEERABLE | 34 |
| 20100147616 | Hydrostatic Transaxle - A hydrostatic transaxle comprises: a motor casing; at least one hydraulic motor disposed in the motor casing; at least one output shaft disposed in the motor casing so as to be driven by the at least one hydraulic motor; and a pair of steerable wheel support units attached onto respective opposite ends of the motor casing. Each of the steerable wheel support units includes an axle, a steerable casing, a wheel, and a steering arm. In each of the steerable wheel support units, the axle is drivingly connected to the at least one output shaft, the steerable casing is substantially horizontally rotatable relative to the motor casing, the wheel is attached on an outer end of the axle outside of the steerable casing, and the steering arm is rotatably integrally provided on the steerable casing. The hydrostatic transaxle further comprises a pair of connection rods for connecting the steering arms of the steerable wheel support units to a common rotary member of a steering operation mechanism spaced forward or rearward from the hydrostatic transaxle. | 06-17-2010 |
| 20100200323 | WORK VEHICLE - A front wheel drive shaft is connected to a sun gears disposed at the center of the front wheel. The front wheel is rotated by rotating a ring gear disposed on the outer periphery of planetary gears through a plurality of planetary gears disposed on the outer periphery of the sun gear. Stays provided at the upper and lower ends of the steering knuckle in the front wheel are connected to the outer ends of upper and lower suspension arms respectively through spherical joints. The right and left front wheels are so provided on a work vehicle that those front wheels are capable of steering and can be separately swung in the vertical direction of the vehicle. | 08-12-2010 |
| 20100224432 | MOTORCYCLE - A motorcycle has at least two independently driven wheels to reduce energy consumption. The independently driven wheels are driven independently. | 09-09-2010 |
| 20110024219 | OMNI ROTATIONAL DRIVING AND STEERING WHEEL - There is disclosed a driving and steering wheel ( | 02-03-2011 |
| 20110048834 | DRIVE AND STEERING APPARATUS FOR AN INDUSTRIAL TRUCK - A drive and steering apparatus for an industrial truck with a drive wheel, which is rotatably suspended in a drive wheel suspension, which is swivel-mounted around a mainly vertical axis, a steering device, which has a handlebar and a bearing component, which is swivel-mounted coaxially or axially parallel to the drive wheel suspension, and a steering wheel control device, which has at least one sensor, which is permanently arranged with respect to the drive wheel suspension or the bearing component and captures a differential angle between the drive wheel suspension and the bearing component, and a steering drive, with which the drive wheel suspension is pivotable as required by the measured differential angle, characterized by a sensor arm, which is connected in a torque-proof manner with a sensor shaft of the at least one sensor, and a counter piece, which is permanently arranged with respect to the bearing component or respectively of the drive wheel suspension and works together with the sensor arm such that the sensor aim with the sensor shaft is rotated during a relative movement between the bearing component and the drive wheel suspension. | 03-03-2011 |
| 20110067941 | VEHICLE WITH REVOLVING DRIVER STATION - A vehicle including a symmetrical support frame having a width dimension and a length dimension, the width dimension and length dimension being substantially the same. At least three ground engaging wheels underlie and support the support frame. Each of the wheels are capable of 360 degree rotation. A driver station is mounted on the support frame for 360 degree rotation relative to the support frame. A steering control is provided with a steering linkage between the steering control, the driver station and the wheels, wherein rotational movement of the steering control by a selected number of degrees causes the driver station and each of the wheels to move a proportional number of degrees in the same rotational direction as the steering control with the driver station always facing a forward direction of the wheels. | 03-24-2011 |
| 20110220431 | PERSONNEL CARRIER FOR STANDING OCCUPANT - A personnel carrier for standing occupant is provided, comprising a handle portion, a bearing portion, a power supply portion and a drive portion. The handle portion has a support section, a steering handle, a front wheel and a forward-reverse manipulation unit. The bearing portion having a bearing stage is pivotally coupled with the handle portion, two rear wheels being attached to the bearing stage. The power supply portion is mounted on the support section of the handle portion. The drive portion incorporated with an electromagnetic brake device is disposed in the front wheel to control advance or stop of the personnel carrier. In this manner, a compact personnel carrier for bearing personnel in standing manner is thus formed. | 09-15-2011 |
| 20130020144 | Adaptive Magnetic Coupling System - A system comprising a tractor vehicle, at least one trailer vehicle and a skin between and in contact with the tractor and trailer vehicles. One of the vehicles is disposed in a non-inverted position above the skin and the other is inverted and below the skin. The trailer vehicle comprises one or more magnets, while the tractor vehicle comprises one or more magnets magnetically coupled to each opposing magnet on the trailer vehicle. The vehicles may have mutually opposing permanent magnets in one-to-one relationship. Alternatively, each permanent magnet on the trailer vehicle could be opposed by one or more electro-permanent magnets on the tractor vehicle. The system further comprises means for maintaining the magnetic attraction force within a range as the vehicles move along a portion of the skin having a varying thickness. | 01-24-2013 |
| 20130264136 | WHEEL-STEERED VEHICLE - A wheel-steered vehicle includes a frame and steerable wheels on at least one front axle, wherein the frame includes a front frame section including the at least one front axle and a rear frame section including at least one rear axle, the front and rear frame sections being arranged along a longitudinal direction and being connected by at least a first pivot joint wherein the at least first pivot joint has a first pivot axis oriented in the longitudinal direction, and wherein the wheels on the at least one front axle include a separate drive unit for each steerable wheel on the at least one front axle. | 10-10-2013 |
| 20140196971 | Drive for an Industrial Truck with Steering Support - A drive for an industrial truck with at least one drive motor for driving a wheel of the industrial truck and at least one steering motor for supporting a steering movement of the wheel around a steering axle also features a drawbar for guiding the steering or driving movement by applying a load on the drawbar. The drive motor also rotates upon a steering movement of the wheel, whereas the drawbar is connected in a torque-proof manner, relative to the steering axle, with a component also rotating upon a steering movement of the wheel. | 07-17-2014 |
| 20140262585 | System and Method for Operating Vehicle Drive Wheels - An agricultural machine, such as a combine harvester, includes a chassis supported by a pair of front wheels and a pair of steerable rear wheels, a first drive mechanism for driving at least one of the front wheels to move the chassis at a designated forward speed, and a second drive mechanism configured to operate independently of the first drive mechanism and to drive at least one of the rear wheels. A controller is configured to actuate the second drive mechanism in response to a user command to drive the at least one rear wheel to apply forward pressure on the chassis regardless of the forward speed. The controller may actuate the second drive mechanism to apply a maximum forward torque to the at least one rear wheel to thereby apply the forward pressure to the chassis. | 09-18-2014 |
| 20140262586 | LINKS-VXI SUSPENSION SYSTEM - In various embodiments, the present invention teaches the use of two or more “floating pivot points” in a trailing/leading arm suspension system. A complimentary steering system is also described herein. The present invention eliminates a number of significant shortcomings of the traditional trailing/leading arm suspension type, thereby offering substantial performance improvements. | 09-18-2014 |
| 20150096823 | SYSTEM FOR DRIVING THE DRIVE WHEELS OF AN ELECTRIC OR HYBRID VEHICLE - The invention relates to a system for driving the drive wheels ( | 04-09-2015 |
| 20160096550 | AGRICULTURAL VEHICLE WITH TOE ANGLE ADJUSTMENT - A system and method for adjusting the tread width of a vehicle. Each wheel of the vehicle is provided with two actuators: one toe actuator to adjust the toe angle and one steering actuator to steer the wheel. The toe actuators and steering actuators counterpose each another. The vehicle is configured to actuate the toe actuators to simultaneously turn the wheels on opposite sides of the frame in opposite directions relative to one another, and to actuate the steering actuators to simultaneously turn wheels on opposite sides of the frame in the same direction as one another. | 04-07-2016 |
| 20160115005 | INDUSTRIAL TRUCK - An industrial truck has a drive part and a load part. The drive part has at least one steerable drive wheel and at least one supporting wheel. The drive part has a full-floating axle which has two arms which are in each case mounted in a rotational joint and of which one bears the supporting wheel and one bears the drive wheel. Each arm is coupled to the drive part via a spring damping element. | 04-28-2016 |
| 20160121957 | POWERED PERSONAL MOBILITY VEHICLE WITH ROTATING WHEELS - An electric powered personal mobility vehicle that includes at least one front wheel and an electric motor that provides rotational force to a wheel of the vehicle. The electric motor is supported by the vehicle and is powered by a rechargeable battery that is also supported by the vehicle. The vehicle can also include swivel caster wheels each configured to rotate about a wheel axis. | 05-05-2016 |
| 20180022390 | CHILD DRIFT CAR | 01-25-2018 |
| 180253000 | Steerable wheel has exclusive axis of pivot (i.e., stub-axle type) | 13 |
| 20100059303 | Self Moving Cart for Invalids, and Method for Managing Said Cart in Business Centres or Other Specific Areas - The present invention concerns a self moving transport mean for partially disabled people and a method for using said transport mean in shopping centres or other specific public areas. The transport mean houses seats or wheel-chairs and gives the user the chance to access all the services of said areas thanks to proper drive systems, safety devices, and a simple and safe lifting device of a flat surface supporting the wheel-chair or the seat. The method of the invention provides a box for housing and recharging the transport means and the exchange of data between them and a central processing unit of the area apt to let the completely enjoying the services of the area and the mobility features of the transport means. | 03-11-2010 |
| 20100181135 | HYBRID MOTOR VEHICLE - A highly maneuverable hybrid motor vehicle ( | 07-22-2010 |
| 20100181136 | OMNIDIRECTIONAL DRIVE AND STEERING UNIT - A compact, low profile omnidirectional drive and steering unit that, in one embodiment, utilizes a single, centrally located wheel, mounted on a drive shaft, upon which is also mounted a tapered pinion gear. The pinion gear on the drive shaft meshes with a ring shaped beveled worm gear contained within the outer housing of the gear unit that surrounds the centrally located wheel. At one side of the outer housing is a worm drive that meshes with the ring shaped and beveled worm gear. Rotation of the worm drive causes rotation of the ring shaped worm gear, which causes the drive shaft mounted pinion gear to turn, which turns the drive wheel to provide driving power for whatever vehicle or system of which the unit is a part. A steering and timing gear is mounted on the lower surface of the unit to provide steering capability. | 07-22-2010 |
| 20130008734 | STEERING AND DRIVE ASSEMBLY - A drive and steering unit for driving and steering a load support comprises, in one embodiment, a steering assembly including a steering gear attached to a wheel housing and engaged with the steering power system, the steering gear being rotatable about an axis in response to actuation of the steering assembly, a drive assembly connected to the steering gear, and a drive power system coupled to the drive assembly and movable with the steering gear. In an alternate embodiment, the steering assembly is connected to the wheel through a steering gear attached to a slewing ring that supports the drive assembly and is rotatable with the drive assembly. | 01-10-2013 |
| 20130146380 | VEHICLE WHEEL ASSEMBLY HAVING A SELF-RETAINING BEARING - In accordance with exemplary embodiments, a wheel assembly is provided for a vehicle. The wheel assembly includes a knuckle having a tapered inner surface to interface with an outer flange of a bearing. A threaded fastener retains the bearing within the knuckle. A wheel hub couples to an inner flange of the bearing permitting rotation of the wheel hub relative to the knuckle. | 06-13-2013 |
| 20130153324 | Environment Adaptive Electric Vehicle with Lock On Security and Control Saddle - The Environment Adaptive Electric Vehicle (EAEV) is capable of operating in a number of operating environments such as on a conventional highway, or on an elevated mainstream transportation infrastructure and also on a variety of local, low velocity, low volume, automated and semi-automated transportation infrastructures that may serve as collector roads for vehicles to access the mainstream elevated integrated bimodal infrastructures. The EAEV has a variety of sensors, receivers, cameras, monitoring devices, magnetic readers, GPS built into the vehicle. In a typical vehicle all of this information would be interpreted and applied in the same way. In the EAEV the vehicle wants to know what environment it is in. It then uses the software that defines that environment for all of its decisions. As a result, the EAEV uses the same equipment and similar information that is received over the equipment but applies it differently depending on what kind of system the vehicle is travelling on. | 06-20-2013 |
| 20130264137 | FRAME-STEERED VEHICLE - A frame-steered vehicle includes a front frame section including at least one front axle and a rear frame section including at least one rear axle. The front and rear frame sections are arranged along a longitudinal axis and are connected by at least a first pivot joint. The at least first pivot joint has a first pivot axis oriented transversal with respect to the longitudinal direction. The at least one front axle includes driven wheels and at least the at least one rear axle is suspended by a truck-type suspension. | 10-10-2013 |
| 20140374185 | ELECTRIC POWER TRAIN FOR THE STEERABLE AXLE OF A MOTOR VEHICLE - A power-train is provided for a driven, steerable axle of a motor vehicle. To reduce the size of the turning radius of the vehicle, the power train includes a left drive shaft that is fixedly connected in terms of drive to a left steerable wheel; a right drive shaft that is fixedly connected in terms of drive to a right steerable wheel; and a drive unit configured between the drive shafts for driving the drive shaft; the drive shafts being configured as articulated shafts, each having a wheel-proximal articulated joint and a wheel-distal articulated joint; and said articulated joints each having at least one axis of rotation with the same orientation for all articulated joints. The drive unit is designed for transmitting an electromotively generated torque to the drive shafts, and having a body suspension that allows the drive unit to rotate relative to the body about a swivel axis that extends in parallel to the axes of rotation having the same orientation. | 12-25-2014 |
| 20150353130 | STEERING METHOD AND INDUSTRIAL TRUCK - A steering method for an industrial truck includes providing the industrial truck comprising at least two driven wheels configured to run in different tracks when moving in a longitudinal travel direction, each of the at least two driven wheels comprising a drive system. At least one first wheel of the at least two driven wheels is configured to be steerable in the longitudinal travel direction. At least one second wheel of the at least two driven wheels is configured to initially run on an inside during a cornering. The drive system of the at least one second wheel is disengaged from the longitudinal travel direction when a predetermined steering angle of the at least one first wheel is reached. | 12-10-2015 |
| 20150375783 | Drive Device for Electric Vehicle - A motor power unit ( | 12-31-2015 |
| 20160052389 | STEERABLE WHEEL SIDE OF A DRIVE AXLE - The invention relates to the wheel side of as drive axle with wheel member steering. A drop Centre rim, preferably made of steel, is provided on the wheel hub and is combined with a disc brake, which is axially inwardly offset relative to the wheel plane and which preferably has compressed an actuation. The necessary space for the disc brake arrangement is guaranteed by the sufficiently low diameter of the wheel hub in the region of the brake disc and by a comparatively large axial space for the brake system, which is created by an axially narrow design of the wheel hub transmission and a by a new design of the steering knuckle bearing and of the pertaining axle guard. | 02-25-2016 |
| 180254000 | Including flexible, axially rotatable means having one portion fixed to vehicle and another portion pivotable with wheel for transmitting drive thereto | 2 |
| 20110114409 | MODULAR METAMORPHIC VEHICLE - A vehicle ( | 05-19-2011 |
| 180255000 | Pivotable portion of means has additional structure of gearlike nature in driving engagement with corresponding structure on wheel | 1 |
| 20130240282 | Electric Drive Axle Configuration - The present disclosure provides a front axle of a vehicle including a motor disposed near the center of the axle and a shaft coupled at one end thereof to the motor, where the shaft defines a first axis. A first gear is coupled to a second gear, the first gear being coupled to the shaft at an end opposite the motor and being disposed along the first axis. The second gear is disposed along a second axis, where the first axis and second axis are substantially parallel to but spaced from one another. A steering pivot defines a steering axis about which a final drive assembly pivots and a wheel lean pivot defines a lean axis about which the final drive pivots. The lean axis is substantially perpendicular to the steering axis. A constant-velocity joint is disposed at the intersection of the steering axis and lean axis. | 09-19-2013 |
| 180264000 | With driven axle, mounting two or more wheels, swingable about axis of pivot, and motor mounted to swing therewith | 4 |
| 20090272594 | Personal Mobility Vehicle - The driven front wheel drive assembly includes a drive assembly with a drive frame. The drive frame has a vertical plate that pivots about a steering axis. A gear case with a plate portion and a skirt is clamped to the vertical plate to form a sealed gear case. A helical pinion gear is on a driven motor shaft. A compound gear with a helical gear is in mesh with the helical pinion gear. A first drive pinion gear fixed to the helical pinion gear is in mesh with the first spur gear. A second spur gear is fixed to the drive axle shaft and in mesh with first drive pinion gear. All of the gears are in the gear case rotate about parallel axes. The helical pinion gear and the first drive pinion gear have small pitch diameters to increase torque. The driven axle drives a wheel. | 11-05-2009 |
| 20100126790 | Heavy capacity transporter having multiple track-axles - A transporter having a plurality of track-axle assemblies. The track axle assemblies have independent suspension, self-loading, and on-center axle rotation capability. Each of the track axle assemblies include a cylinder housing and hydraulic piston and first and second track units connected on opposing sides of the axle frame. | 05-27-2010 |
| 20110094815 | Stack axle assembly and transporters having the same - A stack axle assembly as used in a cask transporter or an horizontal storage module (HSM) gantry transporter. The stack axle assemblies include a slew gear; an upper bearing; a lower bearing; a vertical cylinder retained by the slew gear, upper bearing and lower bearing; an independent driver wheel and idler wheel revolving on a common shaft/trunnion assembly attached to the bottom of the vertical cylinder; a frame assembly formed on top of the vertical cylinder, the frame assembly including one or more drive motors connecting an upper drive assembly downwardly to a driven assembly mounted between the idler wheel and driver wheel; and a slew driver motor to drive the slew gear. | 04-28-2011 |
| 20130341113 | THREE-WHEELED MOTORIZED VEHICLE - A three-wheeled motorized vehicle with a reverse trike or tadpole configuration is described. The vehicle includes a rear frame coupled to a single rear wheel and a front frame that is operatively coupled to a pair of front wheels mounted on opposite sides of the front frame. The rear frame is pivotably coupled to the front frame by a first coupling located along a top portion of the front frame and a second coupling located along a bottom portion of the front frame. The first coupling is located forward of the second coupling to provide a negative rake angle. Handlebars affixed to the front frame pivot the front frame, an engine mounted therein, and the front wheels about the first and second couplings. The location of the first and second couplings also causes the rear frame to lean out of a vertical plane when the front frame is pivoted. | 12-26-2013 |
