Abstract: A stem buffer suspension assembly structure includes a main suspension stem inserted into a stem channel of a front buffer frame assembly and including a buffer assembly, wherein a stem and a headset are assembled on an end of the main suspension stem protruded out of the buffer assembly; an upper end cover assembled with the buffer assembly and abutted with a top of the stem; a lower pressing assembly is assembled with the main suspension stem and includes a lower plug member, a locking pin, a pressing member and a limit block. The lower plug member is assembled on the main suspension stem, and the lower plug member is locked with the locking part, the locking pin is screwed with the pressing member, the limit block is mounted with the locking pin and located between the lower plug member and the pressing member.

Abstract: The present disclosure relates to a hydraulic steering device for an agricultural work vehicle comprising a steering pump for supplying working fluid; an automatic steering unit which is connected to the steering pump, and which changes, according to automatic steering performed by a control part, the traveling direction of the agricultural work vehicle by using the working fluid supplied from the steering pump; a manual steering unit which is connected to each of the steering pump and the automatic steering unit, and which changes, according to manual steering performed by the operation of a steering wheel, the traveling direction of the agricultural work vehicle, and a manual switching unit connected to each of the steering pump and the manual steering unit.

Abstract: A motorcycle may include a step operating mechanism including a base member, a pivot member, a pivot shaft, and a locking mechanism. The base member may be supported by a first portion of a frame member. The pivot member may extend from the base member in a motorcycle width direction. The pivot member may pivot along a straight line orthogonal to the pivot shaft and may be configured to be received by a docking cavity of an associated electric scooter. The locking mechanism of the step operating mechanism may be configured to lock or fix a front portion of the associated electric scooter to the pivot member when the pivot member is received by the docking cavity of the associated electric scooter. The motorcycle may include a second locking mechanism supported by a second portion of the frame member.

Abstract: A robotic lawn mower comprises a frame, a first wheel set, and a second wheel set, wherein the first wheel set and the second wheel set are respectively arranged at opposite rear and front ends of the frame, the first wheel set is equipped with driving wheels, and the second wheel set is equipped with omni-directional wheels. The robotic lawn mower further comprises a controller, a first driving module, and a second driving module, wherein the controller is connected to each of the driving modules, the controller controls the first driving module to drive the first wheel set to move so as to provide main power to the robotic lawn mower, and the controller further controls the second driving module to drive the second wheel set to rotate so as to provide auxiliary power for overcoming a resistance generated by the ground when the second wheel set rotates.

Abstract: A rotary drive device includes a pair of drive force transmissions, a pair of decelerators, a pair of carriers, and at least one coupler. Driving rollers are included in the pair of drive force transmissions. Driving rollers transmit drive force to a main wheel. The main wheel includes driven rollers. The pair of drive force transmissions are rotatable about a rotation axis. The pair of carriers accommodate at least a portion of the decelerators. The pair of carriers oppose each other in an axial direction along the rotation axis. The pair of carriers include a first carrier and a second carrier that are directly or indirectly coupled by the at least one coupler.

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: A two-seater off-road vehicle includes a travel vehicle body that is supported on the ground by a front wheel unit and a rear wheel unit, and a boarding part disposed above a vehicle body frame included in the travel vehicle body. The boarding part includes: a driver seat; a steering operation tool in front of the driver seat; and a passenger seat of a saddle seat type behind the driver seat.

Abstract: A towing system includes a first lifting mechanism comprising a winch, the winch comprising a drum, a strap, and a drive mechanism, the winch configured to connect a first end of a towable object to a driven vehicle, the first lifting mechanism configurable in a first operable configuration, and wherein the drive mechanism rotates the drum and the strap is increasingly spooled around the drum to elevate the first end of the towable object in the first operable configuration; and a second lifting mechanism configurable in a second operable configuration, the second lifting mechanism configured to connect to a second end of the towable object and to elevate the second end relative to a ground surface in the second operable configuration.

Abstract: Described is a device for connecting between the bellows and the frame of articulated vehicles, including a connecting element having a hooking portion which can be coupled to an end edge of a bellows, and an engagement portion which can be inserted in a compartment defined by a rigid support of the frame of the vehicle and abutting at least one first inner wall of the compartment; the device also has an elastically deformable insertion element, also positioned in the compartment between the connecting element and a second inner wall, for stably engaging the engagement portion against said first inner wall. The insertion element and the connecting element comprise reciprocal coupling means configured for making a mutual connection between the insertion element and the connecting element.

Abstract: A system for powered trailer weight distribution having a hitch mount with a spring bar, and a trailer with a spring bar mount disposed on the trailer and having an initial position relative to the trailer, wherein the spring bar mount is configured to receive and engage the spring bar, and a weight distribution actuator configured and arranged to adjust a position of the spring bar mount relative to the spring bar while engaged with the spring bar, wherein the weight distribution actuator is connected to a power source that provides power to the weight distribution actuator, facilitating the adjustment of the position of the spring bar mount.

Abstract: A straddled vehicle, including a vehicle frame structure, a drive unit including a drive motor that receives electric power and outputs driving power, a driving wheel that receives the driving power, and an electric power generation unit. The electric power generation unit includes an electric power generation engine configured to output engine power, and an electric power generator that is fixed to the electric power generation engine and is electrically connected to an electric power transfer medium having flexibility. The electric power generator is configured to convert the engine power into the electric power, and supply the electric power to the drive motor via the electric power transfer medium. The straddled vehicle is series-hybridized by the drive unit and the electric power generation unit. The electric power generation engine is swingably supported, independently of the drive unit, by the vehicle frame structure, such that the engine power is not mechanically supplied to the driving wheel.

Abstract: A steering axle drive assembly includes a steering axle having opposite ends, a wheel pivotally connected with each steering axle end, and a control mechanism. The wheels are operated by the control mechanism for rotation about a vertical axis and a horizontal axis. When the axle is connected with a vehicle, the control mechanism controls the steering axle wheels independent of other wheels of the vehicle, such as the main drive wheels, to steer and drive the vehicle from an origin in any direction without passing through the origin. Preferably, a motor or linear actuator controls the rotation of the steering axle wheels. The steering axle drive assembly can be further improved by including an angled axle.

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 connecting 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 bike trailer with improved top cover includes a trailer frame installed with a seat, a top cover, a left panel and a right panel. One side of the top cover is fixed to one side of the trailer frame. A connecting member and a connected member are respectively provided between the other side of the top cover and the other side of the trailer frame so that the top cover can be opened when the connecting member is disengaged from the connected member. The top cover is provided with an accommodating space along the direction of opening to receiving direction, and a stretched and straightened coiled leaf spring is installed in the accommodating space and fixed on the top cover.

Abstract: A mobile device holder for mobility object includes: a main body coupled to a top end of the mobility object; a display positioned on a top surface of the main body and configured to provide a passenger of the mobility object with information; and a holder configured to be stored in the main body when coupled to a first side of the main body, and configured to be coupled to a second side of the main body and mount a mobile device thereon when separated from the first side, wherein the mobile device is supported together on the holder and a top surface of the display when mounted.

Abstract: Disclosed is a wheeled vehicle. The wheeled vehicle includes various features for operation by a rider, such as a throttle actuation assembly and various components for operation and manipulation of the vehicle.

Abstract: According to various embodiments, a robot device comprises: a mast extending in one direction; a pivoting structure including a pivot mounted on one end portion of the mast and configured to pivot with respect to the mast; a casing accommodating at least a portion of the pivoting structure, and configured to linearly reciprocate with respect to the pivoting structure in a direction parallel or oblique to the direction in which the mast extends; and an elastic outer cover accommodating at least a portion of the mast, wherein the elastic outer cover may include a first portion fixed to the casing.

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 steering assistance device includes an input shaft, a torque sensor, and output shaft, a gear unit, a steering housing, and a drive unit. The drive unit and the torque sensor are arranged so as to be in mechanical contact with the steering housing. The drive unit has a pump for conveying the working medium and a motor for driving the pump. The drive unit has a reservoir for containing working medium, wherein at least the pump is arranged within the reservoir. The input shaft, the torque sensor, the gear unit, and the drive unit are arranged in a row along a longitudinal axis.

Abstract: A chair-drive interface assembly is for use with a wheelchair assembly having a first chair-connection member and a second chair-connection member, and also for use with a drive assembly including a wheel assembly, a motor assembly, a drive-connection member and a steering assembly. The chair-drive interface assembly has a first connection member configured to be fixedly attached to the first chair-connection member. The chair-drive interface assembly also has a second connection member configured to be fixedly attached to the second chair-connection member. The second connection member is spaced apart from the first connection member. The chair-drive interface assembly also has a third connection member configured to be fixedly attached to the drive-connection member of the drive assembly.