Abstract: A hydraulic steering device hydraulically connects a steering cylinder to a supply system, wherein the supply system can be operatively connected hydraulically to the steering cylinder via a steering valve in order to configure a main flow connection, and the supply system can be operatively connected hydraulically to the steering cylinder via a flow control valve arrangement in order to configure an auxiliary flow connection which bypasses the main flow direction.

Abstract: A utility cart for maneuvering trailers and trailer accessories includes a base frame member, caster wheels mounted on an underside of the base frame member, a height adjustable hitch assembly, and a pair of handles extending upwardly from the base frame member. The hitch assembly is mounted to the central support members, and includes a vertical post extending upwardly from the support members and a telescoping frame member with a vertical sleeve that mates telescopically with the vertical post. The telescoping frame member includes a height adjustment mechanism that is operated by a hand crank, so that a user can turn the hand crank to raise or lower the height of the telescoping frame member. The utility cart may attach to trailers, trailer hitch accessories, or may be used as a docking station for the recreational vehicle loading and carrying apparatus set forth in U.S. Pat. No. 9,670,013.

Abstract: Hitch assemblies are provided. The hitch assemblies includes a first body defining a receiving cavity and a locking mechanism, and a second body removably insertable into the receiving cavity of the first body. The first body is fixedly attachable to a vehicle and the second body is configured to operably connect to a trailing structure, and the locking mechanism includes a rotating member extending through the receiving cavity and rotatable between a first position and a second position, wherein, when the second body is positioned within the receiving cavity and the rotating member is in a secured position, the rotating member secures the second body to the first body.

Abstract: A transport assembly for a shipping module which has a chassis; a towing element secured to the chassis; two opposed wheels mounted on the chassis; a support assembly secured to the chassis and configured to be positioned in a mating relationship with a shipping module proximate to a lower transverse edge of the shipping module; means for removably securing the support assembly to a shipping module; and a displacement actuator secured between the chassis and the cradle, said displacement actuator for varying the ground clearance of a shipping module when secured to the support assembly.

Abstract: A body frame of a two-wheeled motor vehicle includes a first frame extending rearward from a head pipe, a second frame disposed beneath the first frame with a gap there between, a third frame disposed beneath the second frame with a gap there between, a plate-shaped first reinforcing member provided between the first frame and the second frame, and a plate-shaped second reinforcing member provided between the second frame and the third frame, and the first reinforcing member and the second reinforcing member are formed so that external shapes thereof are connected. Thus, it is possible to provide a body frame for a two-wheeled motor vehicle that contributes to cutting the number of components and increasing the stiffness.

Abstract: A training wheel apparatus for learning to ride a bicycle includes a lift activation assembly, wherein the lift activation assembly includes a grip. The training wheel apparatus further includes a wheel mount assembly configured to operatively connect to a wheel. The training wheel apparatus further includes a cable configured to operatively connect to the lift activation assembly and the wheel mount assembly via the grip. When activated by rotation of the grip in a first direction, the lift activation assembly is configured to use the cable to change an elevation of the wheel between a first position.

Abstract: A human-powered vehicle control device includes an electronic controller that controls a motor used to assist in propulsion of a human-powered vehicle. The electronic controller is selectively settable to a first control state that controls the motor in accordance with human drive force and a second control state that controls the motor in accordance with human drive force so that a ratio of an output of the motor to the human drive force is greater than that of the first control state. In the first control state, the electronic controller controls the motor so that a response speed of the motor with respect to a change in the human drive force is equal to a first response speed. In the second control state, the electronic controller controls the motor so that the response speed is equal to a second response speed that is slower than the first response speed.

Abstract: An undercarriage assembly for a tracked vehicle with a prime mover that provides a torque to the tracked vehicle, a final drive sprocket configured to provide a final drive torque on a track, a transmission mechanically coupled to the prime mover and the final drive sprocket to selectively transfer at least some of the torque generated by the prime mover to the final drive sprocket, at least one idler wheel that contacts the track, and an electric motor that provides an idler torque to the at least one idler wheel. Wherein, torque is distributed to the track through both the final drive sprocket and the idler wheel.

Abstract: A power-assisted steering mechanism of an electric pallet truck includes an operating mechanism, a power assistor assembly, a driving mechanism and a mounting bracket. A handle and a handle seat of the operating mechanism are connected. The power assistor assembly includes a power assist mechanism and a controller. The power assist mechanism is electrically connected to the controller. An input shaft at an upper end of the power assist mechanism is drivably connected to a lower end of the handle seat. The mounting bracket includes a mounting plate and a mounting seat. An outer casing of the power assist mechanism is fixedly connected to the mounting plate. The driving mechanism includes a drive connecting shaft, a reduction gearbox, a driving wheel and a driving motor.

Abstract: A large-scale, high-mobility all-terrain vehicle is equipped with at least two articulated front legs and at least two articulated rear legs. Each articulated leg is connected to the vehicle structure about two mutually orthogonal axes to allow a variation of the track width distance between each pair of track assemblies and a variation of the height of the vehicle structure with respect to each track assembly. Each track assembly is connected to the respective leg about a horizontal transverse axis and about a vertical axis, and about a longitudinal axis. The vehicle structure has a front module and a rear module articulated about a longitudinal axis and a driving cabin that can be rotated downwards to allow ample visibility of the ground in front. The track assemblies are connected to the respective articulated legs by quick coupling devices.

Abstract: An all-terrain vehicle for civil protection activities includes a vehicle structure with at least one module for transporting persons and/or material, and a plurality of legs bearing respective wheel assemblies or track assemblies. Each leg is pivotably mounted about a first transverse axis. One first end of the leg carries a wheel assembly or a track assembly and a second end is freely mounted pivoting about the first transverse axis on a first support which is carried by the vehicle structure. An electronically-controlled actuator adjusts an angular position of the first support about a first transverse axis. Between the first support and the leg structure two spring-shock absorber assemblies are interposed, which extend along the leg.

Abstract: A work vehicle includes an engine mounted on a traveling body, a straight-traveling system transmission path including a first stepless transmission device, and a turning system transmission path including a second stepless transmission device, the work vehicle being configured to combine outputs of the straight-traveling system transmission path and an output of the turning system transmission paths to drive left and right traveling units. The work vehicle also includes control sections that control the outputs of the straight-traveling system transmission path and the output of the turning system transmission paths in cooperation with each other, a transmission operation tool that specifies the output of the straight-traveling system transmission path, and a detector that detects the output of the straight-traveling system transmission path.

Abstract: A saddle riding vehicle includes: a body frame having a head pipe and a main tube extending from the head pipe; an engine disposed below the main tube; a down frame extending downward from the body frame and disposed in front of the engine; and a radiator disposed in front of the engine and on a side of the down frame, wherein an opening which opens rearward is formed in a fan shroud which covers a rear surface of the radiator, a radiator fan is disposed in the opening, and a front surface of the radiator fan is disposed such that an axis of the radiator fan is inclined toward an outside with respect to a direction in which a surface of a core of the radiator is directed so as to increase a gap with respect to the core from an outer side toward an inner side.

Abstract: A drive unit for an electrically assisted bicycle includes a housing, a motor in the housing, a crank shaft extending through the housing along a right-left direction of the bicycle, and a pair of bearings rotatably supporting the crank shaft within the housing, wherein each bearing includes an inner ring and an outer ring. The pair of bearings include a first bearing at one side of a thrust direction and a second bearing at another side along the thrust direction, wherein the thrust direction is an axial direction of the crank shaft. The first bearing does not move along the thrust direction relative to the crank shaft. The drive unit has a movement restricting structure that restricts movement of the first bearing relative to the relative to the housing along the thrust direction.

Abstract: A mobility device includes a sidecar and a tilting vehicle including a two-wheeled bicycle, and may further include: an articulated link member including multiple link arms configured to link a vehicle body of the tilting vehicle and a body of the sidecar. In particular, linkage movements of the respective multiple link arms provide upward and downward movements, and leftward and rightward tiltings of the sidecar when a center of gravity of the vehicle body moves leftward and rightward.

Abstract: An apparatus which is helpful in teaching a person how to ride a bicycle. The apparatus is connected to a bicycle and has balance rods extending from the apparatus. The apparatus increases the ability of the new rider to balance. The balance rods can be adjusted by changing the length the balance rods are extended, where the length of extension is decreased to reduce the effect of the apparatus as the new rider learning to ride the bicycle becomes more proficient.

Abstract: A steerable axle includes a housing defining a ball seat therein, a ball member received within the ball seat and defining a cutout portion to receive a portion of a ball bearing therein, an interstitial space defined by a surface of the ball seat and a surface of the ball member, and a ball bearing disposed within the interstitial space and received into the cutout portion of the ball member. The ball bearing moves within the interstitial space when the ball member rotates along the x or y axis, but is restricted from movement along the z axis. Restriction of movement of the ball bearing along the z axis results in a corresponding restriction of movement of the ball member along the z axis.

Abstract: A power steering system including a first linkage arm pivotally coupled to a cross-link member extending in a transverse direction. Also included is a first shaft generally orthogonal to the first linkage arm, the first shaft configured to rotate the first linkage arm. Further included is a power portion of the first linkage arm extending from a first end of the first linkage arm to the first shaft. Yet further included is an assist portion of the first linkage arm extending from the first shaft to a second end of the first linkage arm. Also included is an electric actuator. Further included is a linkage member extending from the electric actuator and operatively coupled to the assist portion of the first linkage arm.

Abstract: A robot R includes a pair of crawler devices 2 supported by a body 1. Each of the crawler devices 2 includes a crawler unit 3 supported by the body 1 such that the crawler unit 3 is rotatable about a first rotational axis L. The crawler unit 3 includes a support 10 extending along the first rotational axis L1 and a pair of crawler parts 20A, 20B mounted on the support 10. Each of the crawler device 2 includes a rolling driving member 46 connected to the support 10 of the crawler unit 3, a rolling motor 60 that rotationally drives the rolling driving member 46, a crawler drive shaft 41 extending along the first rotational axis L1 through a gap between the pair of crawler parts 20A, 20B, a crawler motor 50 that rotationally drives the crawler drive shaft 41 and a torque transmitting mechanism 42 that transmits rotary torque of the crawler drive shaft 41 to the pair of crawler parts 20A, 20B, The crawler motor 50, as well as the rolling motor 60, is disposed outside of the crawler unit 3.

Abstract: An electrically driven moving vehicle includes a main body on which an article to be transported is loaded, and a handle provided on one side of the main body. A pair of force sensor units are provided in the handle. A force applied by a user is sensed by the pair of force sensor units to control the operation of electric motors. The user can operate the electrically driven moving vehicle while holding a position convenient for the user rather than a specific position of the handle. In addition, the user can conveniently operate the electrically driven moving vehicle with only one hand, without using both hands.