Abstract: A wheelchair frame includes left and right first frame members, each having a first leg for supporting a seat. The first legs are arranged on opposite sides of a central axis of the wheelchair. At least one cross-brace is connected, by the ends, to the first legs of the left and right frame members. The cross-brace has a non-circular cross-section along a section between the ends. The wheelchair frame includes left and right second frame members that are pivotally connected to the left and right first frame members. The second frame members are foldable and may be fixed in a position in that is generally parallel to the first legs of the left and right first frame members. A cross-brace is connected, by the ends, to the left and right second frame members. The cross-brace has a non-circular cross-section along a section between the ends.

Abstract: An electric wheeled apparatus comprises a main body, a drive wheel supported by the main body in a rotatable manner, an electric motor configured to apply torque to the drive wheel, a battery holder configured to removably receive a plurality of battery packs, and a circuit unit configured to electrically connect one or more battery packs attached to the battery holder to the motor regardless of a number of battery packs attached to the battery holder.

Abstract: A motorcycle includes a fuel tank that stores fuel, a fuel filling joint hydraulically connected to the fuel tank, a first pressure reducing valve hydraulically connected to the fuel tank to reduce pressure of the fuel to first pressure, a second pressure reducing valve hydraulically connected to the first pressure reducing valve to reduce the pressure of the fuel to second pressure, a fuel cell unit hydraulically connected to the second pressure reducing valve to generate electric power via reaction of the fuel and an oxidizing agent, a high-pressure side structure that supports the fuel tank, the joint, and the first pressure reducing valve while keeping relative arrangement thereof, a low-pressure side structure that supports the second pressure reducing valve and the fuel cell unit while keeping relative arrangement thereof, and a main structure that detachably fixes the high-pressure side structure and the low-pressure side structure.

Abstract: A stand-up, ride-on work vehicle adapted for multiple applications. The vehicle comprises a base unit, an articulating joint, and one of a plurality of interchangeable equipment chassis. The base unit has at least one ground supporting member, and provides power and mobility to the work vehicle. The articulation joint is supported on a front end of the base unit. An operator station extends from a back end of the base unit. Each of the plurality of chassis comprises at least one ground support member and is pivotally connected to the base unit by the articulation joint. Each of the plurality of chassis may be a dedicated equipment chassis or a universal equipment chassis. Each dedicated chassis comprises a dedicated work tool. Each universal chassis comprises an attachment surface for connection to one of a plurality of work tools. The ground supporting members may be any combination of drive wheels, trail wheels, tracks, or work tools.

Abstract: An electric power steering apparatus for assisting steering of a steered wheel. The electric power steering apparatus includes an electric motor with a built-in controller for controlling rotation, a transmission mechanism for transmitting the rotation of the electric motor to the steering shaft, a connector used to pull out wiring from the controller to the outside, a first casing in which the connector and the electric motor are to be mounted and which includes an work hole used for a wire connection operation of the controller and the connector, a lid member for closing the work hole, and a second casing to be fixed to the first casing while housing the transmission mechanism. The second casing including a cover part for covering the lid member in a state fixed to the first casing.

Abstract: The invention refers to a trailer coupling (10) for a towing vehicle (26), comprising a base body (12), a coupling unit (14) with a coupling element (16), that works with a counter-coupling element (18) of a trailing towing vehicle (22), whereby the coupling unit (14) relative to the base body (12) is adjusted between a coupling position and a release position, and a securing device (40), with a securing element (42), that can be adjusted between a securing position and a release position, whereby, in its securing position, it secures the coupling unit (14) in its coupling position.

Abstract: A pulley and drive belt system comprising a drive belt and at least one pulley configured to engage a surface of the drive belt, the at least one pulley comprising, a frame configured to rotate about a rotation axis, the frame having a circular outer rim with opposing sides, a plurality of circumferential teeth extending radially and axially of the rim, each tooth having a tooth width and each tooth being configured to be received between adjacent lugs of the drive belt, and an alignment member having a wire form and extending between adjacent circumferential teeth tops, and the alignment member extending no further radially from the rotation axis than the circumferential teeth, a debris ejecting opening disposed radially inward of the alignment member between the circumferential teeth.

Abstract: The vehicle comprises a base and a seat moveable along a curve having a focal point. The vehicle is adjustable to position an occupant in the seat to achieve a desired position for the center of gravity of the occupant relative to the focal point of the curve. A method for minimizing effort required to tilt the seat of a personal mobility vehicle comprises the steps of providing a personal mobility vehicle having a seat that is adapted to move along an arc having a center of curvature, positioning the seat substantially horizontally, providing an occupant in the seat, and adjusting the position of the vehicle occupant's center of gravity so that the center of gravity is substantially equal to or below the center of curvature of the arc.

Abstract: Systems and methods for controlling the speed and direction of vehicles such as tractors.

Abstract: An unmanned guided vehicle that is at least twice as fast as those of the prior art, lighter, less vulnerable, and more reliable than the prior art having at least one of: a dual-action dogleg suspension system; a track system comprising a plurality of cleats, a rubber insert secured to each cleat, and two cables serially joining each cleat to make up a track; a track guide system comprising a shark fin secured to each cleat that runs through a plurality of track guides; a dry clutch and braking system; a tubular chassis comprising a tubular center chassis and a tubular suspension chassis; a spring-loaded piston track tension compensator system; a flat drive tooth drive sprocket system that allows for clearing foreign debris from between the teeth; and a suspension carrier modular design assembly system comprising a passenger side suspension carrier, center cage, and driver's side suspension carrier.

Abstract: A power steering system for a ground vehicle includes an accumulator that supplies high-pressure fluid through a control valve to a fluid motor that drives the steerable wheels of the vehicle. A normally open control valve between the accumulator and the fluid motor closes prior to the steerable wheels reaching an axle stop to relieve power assist.

Abstract: A combined seat with compression device for interactively actuating a sound effects unit incorporated into a ride on toy vehicle as a user bounces up and down on the combined seat with compression device. The toy includes a frame for a ride-on toy vehicle, a sound effects unit having a housing secured to the frame, a seat secured to the frame and movable between first and second positions, an actuating mechanism attached at the seat for engagement with the sound effects unit, and a deformable compression device positioned at the seat capable of depressing as the seat is moved from the first the position to the second position to interactively activate the sound effects unit.

Abstract: The articulated connection which is disconnectable and formed of a hitching device (6) with a drawbar component (7) for rapid coupling and uncoupling (5). The articulated connection is carried at the front of the following road module (2) and fixed in terms of orientation with respect to a central longitudinal axis (12) of the leading road module (1), independent of the steering axle of the following road module or of its steering assembly, and it has a rear end (9) of the piece pivot-mounted (14) on the chassis of the following road module (2) and a front end has a complementary coupling and uncoupling mechanism, together with roll and pitch travel mechanism and angular end stop mechanism. This device is applicable to the urban transport of passengers.

Abstract: An articulated vehicle system can include a first vehicle selectively and pivotally connected to a second vehicle. A first powertrain can be mounted on the first vehicle to drive a wheel mounted on the first vehicle. A second powertrain can be mounted on the second vehicle to drive a wheel mounted on the second vehicle independent from the drive of the wheel of the first vehicle. The vehicle system may also include a controller in electrical communication with each of the first powertrain, second powertrain, and steering mechanism to assist in steering and power distribution, especially when reversing the vehicle system.

Abstract: Generally, a hitch having a retractably extendable member reciprocally driven by a rotatable member having a first end configured for coupling to a hitchable object.

Abstract: A riding mower having left and right driving rear wheels independently drivable forward and backward and a pair of left and right steerable front wheels is provided with a support device capable of being mounted with a cylindrical gas cylinder in a horizontal position on an external side of a rollover projection frame. The support device is provided such that the mounted gas cylinder is positioned along front and rear of the rollover protection frame and is mounted in a tilted state in which the central axis of the cylindrical gas cylinder is closer to a central side in a lateral direction of a vehicle body toward a rear side from a plan view.

Abstract: A bicycle is provided having a frame with a seat tube and a bottom bracket coupled to one end of the seat tube. A pedal crank shaft is operably coupled to the bottom bracket. A motor is coupled to the bottom bracket and operably coupled to the pedal crank shaft. A battery is removably coupled to the frame and electrically coupled to the motor. A seat having a seat post is removably coupled to the seat tube, wherein the battery is disposed to remain coupled to the frame when the seat post is removed. In another embodiment, a sleeve is positioned with in the seat tube and the seat post is slidingly disposed in the sleeve. In another embodiment, the bicycle includes a clamp having a plurality of clamp pads that engage the seat post to hold the seat in the desired position.

Abstract: An endless belt tensioner system adapted to dynamically apply a tensioning force on a ground-contacting endless belt of a vehicle is provided, the tensioning force being managed to prevent the endless belt to disengage from an operating configuration when the suspension is actuated. A vehicle and a method of use thereof are also provided.

Abstract: A trailer assembly including a load deck and a detachable gooseneck. The load deck includes a rotatable shaft and latch wedge and the detachable gooseneck includes a hook. The attachment of the gooseneck to the load deck will result in the rotation of the shaft and latch wedge and engage the latch wedge and hook preventing detachment of the gooseneck and load deck. Misalignment of the gooseneck and load deck may be compensated for by a chamfer of the hook and a v-shaped groove.

Abstract: A pivot mechanism includes a base member configured to be coupled to a first element and a generally cylindrical rotating member configured to be coupled to a second element. An elongate pin extends through the base member and rotating member and defines a pivot axis. The rotating member is capable of rotating relative to the base member about the pivot axis. The elongate pin is movable in a direction generally parallel to the pivot axis between a secured position and a release position. In the secured position, the rotating member is prevented from rotating relative to the base member, and in the release position, the rotating member is permitted to rotate relative to the base member. The pivot mechanism may be incorporated into a scooter or a tricycle to provide different configurations thereof.