| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 280062000 | Three-wheel | 20 |
| 20080277890 | Four-Way Forklift With Outwardly Pivoting Wheel Arms - An apparatus and method are provided for improving stability in a lifting vehicle, such as a fork-lift, by operatively attaching one or more wheels of the vehicle to a chassis of the vehicle in such a manner that a steering axis of the wheel may be selectively moved between a narrow track orientation thereof and a wide track orientation thereof, while the wheel remains in rolling contact with a surface supporting the lifting vehicle. | 11-13-2008 |
| 20100013180 | THREE-WHEELED VEHICLE WITH REAR AXLE CONTROL LINK - A three-wheeled vehicle includes a frame including a longitudinal axis and a steering head, an engine-transmission assembly coupled to the frame, a steering assembly pivotably coupled to the steering head, a front wheel rotatably coupled to the steering assembly, a rear axle assembly, a control arm coupling the rear axle assembly to the frame, a pair of rear wheels rotatably supported by the rear axle assembly, and a substantially laterally-extending link interconnecting the rear axle assembly and the frame to control lateral motion of the rear axle assembly relative to the frame. | 01-21-2010 |
| 20100176567 | SURFACE MILLING SYSTEM - A cart assembly for milling a surface includes a cart having a support frame, a triad of wheel assemblies, and a triad of receivers. The triad of wheel assemblies is disposed on the support frame. Each wheel assembly includes an actuator that selectively extends and retracts a shaft of the wheel assembly to maintain the support frame at a given elevation. The triad of receivers is disposed on the support frame in a generally triangular configuration. The receivers are in electrical communication with the actuators of the wheel assemblies. The cart assembly further includes a milling assembly mounted to the support frame of the cart. The milling assembly includes a grinder adapted to remove material from a surface. | 07-15-2010 |
| 20110031709 | TRICYCLE KICK BOARD - Disclosed is a tricycle kick board that includes a pillar shaft rotatably mounting a front wheel to a lower portion thereof, a steering unit mounted to a upper portion of the pillar shaft, a joint unit mounted to the pillar shaft, and left and right moving frames connected at one portion thereof to the joint unit and at another portion thereof to left and right foot rest assemblies, respectively, each of the left and right foot rest assemblies having a wheel disposed thereunder. The joint unit is provided with a main body fitted to the pillar shaft so as to be pivotable about the pillar shaft, a main shaft fastened to a side of the main body; and a supplementary body pivotally mounted to the main body so as to be pivotable about the main body. | 02-10-2011 |
| 20110042912 | DRIFTING KART - Drifting karts in accordance with embodiments of the invention are described that include a front wheel drive train and rear caster wheels that can be dynamically engaged to induce and control drift during a turn. One embodiment of the invention includes a chassis to which a steering column is mounted, where the steering column includes at least one front steerable wheel configured to be driven by an electric motor, a battery housing mounted to the chassis, where the battery housing contains a controller and at least one battery, wiring configured to provide power from the at least one battery to the electric motor, two caster wheels mounted to the chassis, where each caster wheel is configured to rotate around a rotational axis and swivel around a swivel axis, and a hand lever configured to dynamically engage the caster wheels to induce and control drift during a turn. | 02-24-2011 |
| 20110127739 | SWINGABLE AND SPEEDABLE FREEWHEELED VEHICLE - A swingable and speedable freewheeled vehicle includes a swingable device installed between a frame and each rear wheel. The swingable device has a guiding track fixed to a seated member, a spindle pivoted on said seated member, and a sliding assembly for sliding along the guiding track. Thereby, while driving the freewheeled vehicle via swinging, a sliding stem of the sliding assembly would slide along the guiding track and subject to an inertial force. Accordingly, a distance between the ground and the frame would be varied commensurately with the freewheeled vehicle moving along with the inertia force during the sliding so as to readily and speedily motivate the freewheeled vehicle forwards. | 06-02-2011 |
| 20120043730 | KNEE WALKER - Knee walker assemblies and methods of manufacturing a knee walker assembly are provided herein. One concept of the present disclosure is directed to a knee walker assembly that includes a frame, a support platform and a handle mounted to the frame, at least one rear wheel mounted proximate the rear end of the frame, and at least two front wheels swivel mounted proximate the front end of the frame. A locking mechanism is operatively engaged with the at least two front wheels. The locking mechanism is configured to substantially simultaneously lock both of the at least two front wheels in a rigid-type mounting configuration. | 02-23-2012 |
| 20120068425 | Buggy jack - The Buggy Jack is used to transport a conventional automobile floor-type hydraulic jack across rough, sandy or otherwise unstable, loose terrain, and rolls it into position below a vehicle that requires inspection, maintenance or repairs even on rough or sandy terrain. | 03-22-2012 |
| 20120098220 | Reciprocal Motor Tricycle with Lockable Frame - The present patent application provides a reciprocal motor tricycle with a lockable frame including a frame, two front wheels, a limiting plate, two balance plates, an upper rocker and lower rocker both connected between the frame and the front wheels, and a limiting block connected onto the balance plate. A directing mechanism is disposed between the frame and the front wheels. A damping mechanism is disposed between the balance plate and the lower rocker. A number of limiting grooves for working with the limiting block are disposed at the left and right of the limiting plate. A fixing plate is disposed at a lower portion of the frame. The balance plate and the fixing plate are movably connected. A locking mechanism is disposed between the frame and the balance plate and configured for preventing the frame from swinging left and right at anytime. The limiting plate is connected onto the locking mechanism. | 04-26-2012 |
| 20120146302 | PORTABLE VAPOR CONTAINMENT STRUCTURE - A portable vapor containment structure has a support frame, at least three wheels to roll the support frame about the ground and wheel retractors for retracting each of the wheels so as to allow the frame to be lowered to the ground. Typically, the apparatus further includes an enclosed vapor containment compartment mounted upon the support frame attached to the support frame. The vapor containment compartment has a bottom opening located within the perimeter of the support frame. | 06-14-2012 |
| 20120181765 | Free-to-lean three-wheeled passenger vehicle, power plant controller and body therefor - A three-wheeled leaning passenger vehicle comprises a frame rigidly mounting a passenger seat; a drive wheel rotatably mounted on the frame preferably in a rearward region thereof; a frame-mounted rotary drive cooperatively coupled with the drive wheel for rotation of the drive wheel relative to the frame; and a frame-mounted coast/steer system including two rotatable and preferably front wheels freely rotatable relative to the frame in a forward region thereof, and a handlebar coupled with the two front wheels for turning the two rotatable wheels in a plane defined by their rotational axes substantially parallel with one another to corner, the vehicle being configured to substantially freely lean left and right in a natural response to a driver thereof in the driver seat steering the vehicle and leaning respectively left and right, and, alternatively or additionally, to have controlled leaning in response to a hydraulically or otherwise provisioned leaning, suspension, and stand-up mechanisms. The rotary drive includes a frame-mounted power plant operatively couple-able with the drive wheel, the rotary drive including an internal combustion engine and an electric motor selectively operatively couple-able with the drive wheel to power the vehicle. The power plant is selectively operable to power the vehicle in three modes of operation including a hybrid mode characterized by operation of the internal combustion engine and the electric motor coordinated substantially to optimize fuel economy, an electric-only mode characterized by operation only of the electric motor, and a sport mode characterized by concurrent operation of the internal combustion engine and the electric motor. | 07-19-2012 |
| 20130168934 | TILTING VEHICLE WITH A NON-TITLING AUTOMOBILE-LIKE BODY - A tilting multi-wheeled vehicle includes a tilting frame supporting at least one seat; a body; and a suspension assembly, wherein the suspension assembly is structured and arranged to permit a transversely disposed pair of the wheels to tilt with the tilting frame. While the tilting frame tilts, the body remains in a controlled relationship with the tilting frame. In an embodiment, the controlled relationship with the tilting frame permits the body to remain substantially parallel to the road surface. Accordingly, the vehicle can support a wider automobile-like body which will not contact the road surface when the tilting frame tilts while navigating a turn. In another embodiment, the body can be allowed to remain substantially parallel to and equidistant from the road surface while navigating a turn. | 07-04-2013 |
| 20130300078 | RUNNING GEAR - The present invention relates to a running gear having a carrier plate and a first roller, a second roller and a third roller, which are arranged on the carrier plate. Simplified handling and/or increased stability of the running gear is produced if the first roller can rotate about a first rolling axis running parallel to a plane of extent of the carrier plate and the second roller can rotate about a second rolling axis running parallel to the plane of extent and the third roller can rotate about a third rolling axis running parallel to the plane of extent. The invention further relates to an arrangement having at least two such running gears, wherein at least two such running gears are connected to each other. | 11-14-2013 |
| 20140117636 | FRONT WHEEL ASSEMBLY FOR CHILD SUPPORT DEVICE - A front wheel assembly for a child support device including a first castor wheel coupled to first swivel joint and a second castor wheel coupled to a second swivel joint, the first and second swivel joints being operatively coupled together by a linkage that steers the wheels in unison and maintains a generally parallel alignment between the wheels. The wheels are sufficiently spaced apart to allow for 360-degree pivoting of each of the wheels. Also a child support device such as a stroller, including such a front wheel assembly. | 05-01-2014 |
| 20150314828 | UPRIGHT THREE-WHEELED VEHICLE HAVING SUSPENSION MEANS - An upright three-wheeled vehicle. A footboard part is disposed between and connected to a pair of rear wheel parts, and has a space section therein. A frame connects a front section of the footboard part to a front wheel part. A handlebar part extends upward from the frame. A suspension includes a first link perpendicularly connected to a drive shaft of a corresponding rear wheel part to initially reduce delivery of shocks by rotating and reciprocating in a lateral direction when the rear wheel part moves up and down, a second link perpendicularly bent from the first link and accommodated within the space section in a rear frame of the footboard part to secondarily reduce the shocks, and an elastic member disposed on the second link to absorb the shocks depending on a direction of the shocks applied to the rear wheel part. | 11-05-2015 |
| 20150344090 | UPRIGHT THREE-WHEELED VEHICLE HAVING SHOCK ABSORBING MEANS - An upright three-wheeled vehicle. A footboard unit is connected between the pair of rear wheel units. A handlebar unit extends from the frame. A bottom portion of a shaft of the handle unit is rotatably installed in a connecting frame. A fixed frame fixedly connects the front top surface of the footboard unit at both sides of the connecting frame. A first variable frame connected to an end of a shaft of the handlebar unit rotates the front wheel unit following the rotation of the shaft. A second variable frame is coupled to both ends of the first variable frame and fixed and installed on a central shaft of the front wheel unit. A shock absorbing means between the upper central portion of the second variable frame and the upper central portion of the first variable frame absorbs shocks by receiving forwardly biased force due to inertia when stopping. | 12-03-2015 |
| 20150344097 | VEHICLE - A vehicle includes a body frame that leans, two front wheels, a link mechanism, and a hydraulic unit. The link mechanism includes cross members and is supported on a link support portion of the body frame. The hydraulic unit is smaller than a cross member movable area where the cross members move relative to the body frame as seen from the direction of middle axes of the cross members. The hydraulic unit overlaps at least a portion of the cross member movable area and at least a portion of external vehicle components as seen from the direction of the middle axes and between the cross member movable area and the external vehicle components in relation to the direction of the middle axes. The hydraulic unit is supported on the link support portion of the body frame that supports the link mechanism. | 12-03-2015 |
| 20160023707 | TRICYCLE - A tricycle ( | 01-28-2016 |
| 20160059923 | STABILIZING ARRANGEMENT FOR A TILTING RUNNING GEAR OF A VEHICLE AND TILTING RUNNING GEAR - A stabilizing arrangement for a tilting running gear of a non-rail-borne vehicle is disclosed. The stabilizing arrangement includes a balance beam configured to have each end coupled to a respective suspension side of a multi-track running gear axle of the tilting running gear. A pivot bearing is connected to a frame or body of the vehicle and defines a stationary axis of rotation. The pivot bearing rotatably supports the balance beam about the stationary axis of rotation. At least one stabilizing element is connected to the balance beam and is supported with respect to a frame or body of the vehicle. The at least one stabilizing element is configured to provide a reaction force to counteract a tilting moment of the vehicle. A non-rail-borne vehicle comprising the stabilizing arrangement also is disclosed. | 03-03-2016 |
| 20160121687 | INCLINATION-ENABLING WHEEL SUSPENSION FOR VEHICLES - A wheel suspension for a vehicle with a supporting vehicle element includes at least one pair of single-sided swing arms. Each single-sided swing arm is associated with a hydraulic cylinder, which is linked to the single-sided swing arm and/or the supporting vehicle element. Each hydraulic cylinder is subdivided in a fluid-tight manner into two chambers. | 05-05-2016 |
