Abstract: A gooseneck trailer system with support structures. The trailer system can comprise a gooseneck removably connected to a trailer and a support structure connected to the gooseneck. The support structure can be configured to support the gooseneck when the gooseneck is disconnected from the trailer. In some embodiments, the support structure can comprise at least one support arm connected to a frame of the gooseneck which can be pivoted between a retracted position and at least one deployed position. The present disclosure can also include methods of using the gooseneck trailer system with a tractor such that the support structure abuts against the tractor, safely securing the gooseneck to the tractor.

Abstract: An electric mobility vehicle including a front-wheel-side body, a rear-wheel-side body, a seat on which a passenger sits in an in-use state, and a linking mechanism that links the front-wheel-side body with the rear-wheel-side body so as to be pivotable about a pivoting axis extending in a vehicle width direction. The electric mobility vehicle is foldable by pivoting the front-wheel-side body and the rear-wheel-side body relative to each other in a vehicle front-to-rear direction. The electric mobility vehicle includes a footrest provided in the front-wheel-side body, a front-end roller or a front-end caster provided in the front-wheel-side body and disposed at a vehicle front side relative to a front end of the front wheel in the in-use state, and comes into contact with the floor surface in the folded state to make the electric mobility vehicle stand alone.

Abstract: A steering system for a skid steered vehicle has a variable-speed steering motor, and an asymmetrical steering differential operatively connected to the steering motor and rotatably mounted on a first side of the chassis separately from the propulsion system. The steering differential has a first differential shaft and a second differential shaft, where the asymmetrical differential imparts a greater speed change on the second differential shaft than the first differential shaft. The first differential shaft is connected to a first steering output shaft operatively connected to at least one ground-engaging element on the first side of the vehicle. A speed reducer mounted fixedly on the chassis connects the second differential shaft to a second steering output shaft operatively connected to at least one ground-engaging element on the second side of the vehicle so that the second steering output shaft experiences the same speed change but in an opposite rotational direction as the first steering output shaft.

Abstract: A suspension system for two-wheeler vehicle is disclosed. The system includes a rocker arm configured to transmit motion from a wheel to a spring element of a shock absorber using a rocker arm link, a length adjustable unit configured to adjust the length of the rocker arm based on a position of the rocker arm link upon moving a swing arm in up and down direction; to regulate the springing operation of the rear wheel based on the length adjustment of the rocker arm, a shock absorber configured to absorb vibrations.

Abstract: A movable object such as a mobile robot is designed to be driven indoors or outdoors with improved stability. Stability is enhanced by an attitude control mechanism to improve attitude stability of the movable object in a direction perpendicular to a driving direction thereof. The movable object includes an attitude control motor including a connecting shaft having a first end connected to a body part and a second end connected to a wheel, wherein the second end of the connecting shaft is located higher or lower than the first end of the connecting shaft.

Abstract: A bicycle may include a front triangle and a rear suspension system that couples the front triangle to a rear wheel and is dampened by at least one shock absorber. The rear suspension system includes a six-bar linkage having two ternary links separated from each other by one or more binary links, such that the two ternary links do not share a common joint. One of the ternary links may comprise a chain stay. In some examples, the other ternary link may comprise the front triangle. In some examples, the other ternary link may comprise a rocker arm coupling a seat stay link to the shock absorber.

Abstract: Embodiments of the present disclosure describe a snowmobile including an engine mounted on the chassis, a drive track in contact with the chassis, and a drive train, operatively interconnecting the engine with the drive track for delivering propulsive power to the drive track. The drive train includes a driveshaft, comprising a tubular driveshaft including two or more interior channels, the channels positioned in a substantially longitudinal orientation, two or more sprocket driving features on an exterior surface of the tubular driveshaft, and one or more fitting components, positioned at one or more distal ends of the driveshaft.

Abstract: A semi-trailer includes first and second main beams that extend parallel to a longitudinal axis. A left side rail extends parallel to the longitudinal axis and defines a left lateral side of the trailer, and a right side rail extends parallel to the longitudinal axis and defines a right lateral side of the trailer. A cargo platform extends between the left side rail and right side rails. A kingpin is located at a forward end of the trailer and is adapted to be engaged by a fifth-wheel of an associated vehicle for towing the trailer. An axle assembly is located at a rear end of the trailer and is connected to the first and second main beams. The axle assembly includes at least one left and at least one right rotatable wheel and tire assembly for movably supporting the trailer on a surface.

Abstract: A trailer jack device is provided. The device may include: a gearbox for actuating a trailer; and a mount connected to the gearbox via a tube. The mount may be configured to couple the trailer to the gearbox. Further, the gearbox may have a gear reduction ratio for a power drill to perform at peak efficiency while minimizing motor burnout.

Abstract: A powered ride-on vehicle having a frame supported by a first drive wheel, a second drive wheel and at least one non-driven support wheel. The vehicle has a first motor connected to the first drive wheel, a second motor connected to the second drive wheel, a steering wheel, a plurality of movement selectors, a dance selector, and one or more controllers operably electrically connected to the motors, the plurality of movement selectors, and the dance selector. The controllers operate to manipulate the motors to cause movements of the vehicle for a set period of time upon depression of one of the plurality of movement selectors independent of an angular location of the steering wheel. The controllers further operate to manipulate the motors to cycle through at least four different dances based on subsequent depression of the dance selector.

Abstract: A trailer coupler assembly facilitates the automatic coupling and decoupling of a trailer. A trailer coupler assembly can include a main body with a frontward-facing opening for receiving a rearwardly oriented trailer ball. A locking assembly can be integrated with the main body and can allow the rearwardly oriented trailer ball to insert into the frontward-facing opening to automatically secure a trailer to a vehicle. A release assembly can interface with the locking assembly to enable the rearwardly oriented trailer ball to be decoupled from the main body.

Abstract: In some embodiments, a vehicle may include a frame having longitudinal axis. The vehicle may include a steering assembly having a steering input and at least one wheel. The steering assembly may be coupled to the frame and configured to steer the vehicle based on input from a steering input. The vehicle may include a first drive wheel and a second drive wheel. The vehicle may include a steering position sensor configured to detect steering input including a position of the steering input and at least one of i) a rate of change of position of steering input and ii) steering position time. The vehicle may include at least one controller configured to process a signal from the steering position sensor and, in response to the processed signal, drive the first drive wheel and the second drive wheel, the first drive wheel being driven independent of the second drive wheel.

Abstract: The present disclosure relates to a hydraulic steering device of an agricultural work vehicle comprising a steering pump for supplying a working fluid; an automatic steering unit which uses the working fluid to change the traveling direction of the agricultural work vehicle when automatic steering is performed by a control unit; a manual steering unit which uses the working fluid to change the traveling direction of the agricultural work vehicle when manual steering is performed by operating a steering handle; and an automatic cut-off unit which is for selectively cutting off the supply of the working fluid for the automatic steering to a steering cylinder of the agricultural work vehicle according to whether the manual steering is performed.

Abstract: The present disclosure relates to a steer-by-wire type steering apparatus. According to present embodiments, in the steer-by-wire type steering apparatus, when a driver generates a larger steering torque than a reaction torque of a reaction motor in a steering shaft, rotation of the steering shaft can be prevented.

Abstract: A suspension system for a one-wheeled transportation device is disclosed. The one-wheeled transportation device includes (1) a wheel, and (2) a tiltable platform has a top side, a bottom side, a first end, a second end, a central longitudinal axis, and an aperture which is shaped and dimensioned to receive the wheel. The suspension system includes a wheel holder which rotationally carries the wheel, the wheel holder having a proximal end and an opposite distal end, the proximal end is pivotably connected to the second end of the tiltable platform so that the distal end resides above the top side at the first end. A bracket has a proximal end and an opposite distal end, the proximal end is connected to the tiltable platform so that the distal end of the bracket upwardly extends above the wheel. A shock absorber is connected between the distal end of the wheel holder and the distal end of the bracket.

Abstract: A movable object includes: a body part forming a main body; a wheel provided on a left side or a right side of the body part; a steering module connecting the body part and the wheel, wherein the steering module controls movement of the wheel in a manner that steers the wheel to the left when the wheel moves upward with respect to the body part, and steers the wheel to the right when the wheel moves downward with respect to the body part.

Abstract: A front fork for a motorcycle includes a bottom portion configured to engage an axle of a front wheel, the bottom portion having a center line at an angle relative to vertical. An angled middle portion extends from a top of the bottom portion at an angle relative to vertical that is larger than the bottom portion center line angle relative to vertical. A steering head attachment extends from a top of the angled middle portion.

Abstract: A technique for steering a tracked vehicle includes controllably deforming at least a portion of a vehicle's track into a curved shape, causing the vehicle to follow a curve-shaped path as it drives. As the vehicle naturally tends to follow a curved path defined by the track's curvature, steering is accomplished with greatly reduced skidding against the ground.

Abstract: A ground-engaging track system includes a track having a first track chain and a second track chain, and an idler having pockets formed in an outer idler rim to receive inboard rail protrusions on track links in the first track chain and the second track chain. The inboard rail protrusions project from an inboard link side, and a central pad of an upper rail surface in the track link includes an anti-scalloping bump-out formed on the inboard rail protrusion.

Abstract: A backrest assembly of a wheelchair seat has a tubular seating frame. The backrest assembly includes a backrest, two hollow backrest tubes connecting the backrest to the seat, and at least two joints allowing movement of the backrest tubes between at least first and second end positions. Two locking means are provided for locking and/or unlocking the joints. A hollow handle tube has a single handle for effecting the locking means which is arranged between the backrest tubes and mechanically connected to the locking means via cables. The handle further effects movement of the backrest tubes, via the joints, with use of one hand in constant grip of the handle. The handle is actuated by at least partly sliding, rotating, squeezing, pushing and/or pulling. The locking means automatically re-locks after unlocking and reaching the first or second end positions.