Abstract: An upper half body flange is disposed over a whole circumference of a lower end portion of an upper half body along a plane and a lower half body flange is disposed over a whole circumference of an upper end portion of a lower half body along the plane. The upper half body and the lower half body are made of titanium material, and the upper half body flange and the lower half body flange have linear outer edges as straight line portions. The upper half body has a side surface, the lower half body has a side surface, and the side surface and the side surface include recesses and convex portions. The recesses and the convex portions are disposed within a range of lengths of the straight line portions when viewed from above in the direction perpendicular to the plane.

Abstract: The invention relates to a cover between at least two vehicle parts of the type connected to one another in an articulated manner to form a vehicle e.g. a streetcar or an articulated bus, the cover comprising an at least U-shaped cover that is elastically yielding, the U-shaped cover bridging a space between the two vehicle parts, wherein the U-shaped cover being double-walled, with an outer wall and an inner wall being formed in one part.

Abstract: A motorcycle having rear-steering controls, including a rear handle bar for steering, for allowing a rear rider to control the motorcycle from a rearward position.

Abstract: A frame of a vehicle includes a front fork unit pivotably connected to a head tube of a vehicle body mechanism, a crank axle disposed on the front fork unit for two front-wheel cranks to be pivoted thereon. Two front wheels are pivotably disposed on the cranks, respectively. A front-wheel counteracting mechanism is pivotably connected between each of the cranks and the front fork unit to transmit an impact force to the cranks so as to cause opposite upward and downward movements of the front wheels to thereby keep the front wheels in contact with the ground and to render movement of the vehicle steady and safe.

Abstract: A vehicle includes a vehicle body and a front wheel that is disposed anterior to the vehicle body and that is steerable about a steering axis. The vehicle body includes a vehicle body frame and a steering rotation unit that is supported on the vehicle body frame and that rotates about the steering axis. The vehicle includes a variable trail length mechanism. The variable trail length mechanism includes an oscillation unit that supports front forks that are disposed to be oscillatable in a fore-aft direction and that support the front wheel, and an electric motor that oscillates the oscillation unit. The electric motor is supported by the vehicle body.

Abstract: The present invention is an assembly of bicycle frame, fork, and handlebar stem that improves the safety and performance of bicycle riding by placing a mechanical bearing above the handlebar stem which reduces the torsional stress on the fork steering column.

Abstract: An adjustable riser assembly for mounting a handle bar assembly on a bicycle comprising a riser post; a tilt adjustment plate; the riser post including a curved mounting surface for receiving the tilt adjustment plate and the curved mounting surface being configured to support the tilt adjustment plate in a range of adjustable angular positions; and a bolt fastener for securing the tilt adjustment to the riser post in an angular position or a horizontal position.

Abstract: A service brake caliper and the parking brake caliper (hereinafter called P caliper) are supported by a swing arm rotatably supporting the rear wheel. The service brake caliper and the P caliper are configured to brake the brake disc. In the rear brake device of the vehicle, the service brake caliper and the P caliper are fixed to a stay member, the stay member being supported by the swing arm. At least some of the service brake caliper and the P caliper are arranged in positions forward of a vehicle body and upward of the vehicle body from an axle of the rear wheel. A first boss and a third boss are arranged on a straight line passing through a center point of the axle.

Abstract: An electric power steering apparatus may be employed to assist steering of a motor vehicle by conferring torque generated by an electric motor to a steering mechanism. The apparatus may include a steering controller that receives signals representative of vehicle velocity and torque applied to a steering wheel and a rotor position signal to derive a target motor torque, a motor controller that receives the target motor torque from the steering controller and transfers the target motor torque into target voltages expressed in a coordinate system fixed to a stator, and an inverter that transforms the target voltages into motor currents. The apparatus may further include a ripple compensation unit that compensates the target voltages for a (n?1)-th harmonic current by adding compensation voltages to the target voltages.

Abstract: The invention relates to a Drive unit as part of a vehicle steering comprising a housing, mechanically connectable to the vehicle through an anti-rotation system, a rotatory output element, an interface for interfacing the control unit, including powering coils and measuring feedback to external control unit, and a motor comprising an angular position sensor, a stator and a rotor, the stator being fixedly mounted in the housing, and the rotor being rotatably mounted in the housing, wherein the output element, the stator and the rotor are coaxially arranged, wherein the motor is mechanically coupled to the output element by a differential providing an angular speed for the output element which is different from the angular speed of the rotor.

Abstract: A steering wheel having a body rotatable around a steering axis (D), a first gripping element and a second gripping element, the first gripping element being movable between a deployed position, in which the first and second gripping elements extend on either side of the body, and a retracted position, in which the first gripping element is folded down against the second gripping element. The second gripping element is translatable relative to the body at least in a first direction substantially parallel to the steering axis (D) between the deployed position and the retracted position so as to free a space for the first gripping element in the retracted position.

Abstract: A two-wheeled vehicle includes a frame, a plurality of ground-engaging members for supporting the frame, and an engine supported by the frame and operably coupled to the ground-engaging members. Additionally, the frame includes a main frame portion having an air inlet at a front side thereof, an air duct extending through the main frame portion, and at least one air outlet at a rear side thereof, whereby the air outlets exhaust air from the air duct to cool the rider.

Abstract: A bicycle includes a frame, a charging circuit carried by the frame and configured to capture energy associated with movement of the bicycle, a power module carried by the frame, and a switch disposed electrically between the charging circuit and power module. The power module, in response to an indication that the bicycle is travelling downhill, closes the switch to enable energy transfer between the charging circuit and power module.

Abstract: Disclosed embodiments include power machines, track frame assemblies, and apparatus for mounting a track frame assembly to a frame of a power machine. In various disclosed embodiments, mounting structures mount a track frame to the machine frame. In some exemplary embodiments, each mounting structure includes two torsional joints and at least three non-torsional joints between the machine frame and the corresponding track frame. The two torsional joints can be provided by torsion shafts and the corresponding attachments to front and rear arms. In exemplary embodiments, the at least three non-torsional joints are substantially free to rotate and can include a joint between a front axle and the track frame, a joint between a rear axle and a link, and a joint between a link pin and the track frame. In some exemplary embodiments, the front or rear arms are oriented relative to corresponding torsion shafts to improve performance.

Abstract: A self-propelled paving machine includes a plurality of swing legs, each swing leg being supported from a ground surface by an associated crawler track steerably connected to an outer end of its associated swing leg. The machine may be re-oriented from a paving mode to a transport mode by driving the ground engaging units to rotate the frame substantially in place on the ground through a re-orientation angle of the frame relative to the ground, and as the frame is rotating, pivoting one or more of the swing legs from a paving position relative to the frame, to a transport position relative to the frame.

Abstract: A collapsible dolly assembly includes a pair of frames that are each selectively urged between a deployed position and a collapsed position. A pair of rear wheels is rotatably coupled to the frame to roll along a support surface. A pair of front wheels is rotatably coupled to the frame to roll along the support surface. A dolly is hingedly coupled to the frame to support an object thereby facilitating the object to be transported along the support surface. A pair of skid units is movably coupled to an associated one of the frames. Each of the skid units is selectively positioned in a deployed position. In this way each of the skid units frictionally engages a staircase thereby facilitating the object to be urged upwardly and downwardly along the staircase. A braking unit is movably coupled to the frame to selectively engage the staircase when the skid unit is positioned in the deployed position. Thus, the braking unit retains the object at a selected point along the staircase.

Abstract: The rear of a motorcycle with cardan suspension comprising a rear frame, a fork, hinged to said frame about a hinging axis, the fork rotatably supporting the rotation pin of a rear wheel of the motorcycle around a rotation axis, the fork supporting a cardan-shaft transmission comprising at least one first transmission shaft, suitable to be connected to a power take-off of an associable engine, at least one final shaft provided with a pinion rotatably connected to said rear wheel, wherein between the first transmission shaft and the final shape is interposed a first cardan joint, a floating arm that supports said pinion of the final shaft, the arm being floating around said rotation axis of the rear wheel. The floating arm comprises a cup portion arranged coaxially to the rotation pin and having at least an inner end that houses and supports said pinion.

Abstract: This specification describes unmanned ground vehicle track systems. In some examples, an unmanned ground vehicle includes a frame having right and left sides and right and left track assemblies, each track assembly being coupled to a corresponding side of the frame in parallel with the other track assembly. Each track assembly includes a drive pulley coupled to the corresponding side of the frame and a track including a continuous flexible belt supported by the drive pulley. The track includes an interior surface engaged with the drive pulley and an exterior surface opposite the interior surface, and the exterior surface of the track includes a plurality of flexible bristles. The unmanned ground vehicle includes one or more drive motors configured to drive the drive pulleys of the right and left track assemblies.

Abstract: A roller-drawbar raises and supports drive wheels of a vehicle being towed off of the ground surface while rollers fitted onto each lifting and supporting drawbar arm causes the drive wheels to rotate while being towed preventing damage to the vehicle's drivetrain during the towing process is taught. The inventive principles include a pivotable roller-drawbar designed so that a wrecker can back-up to a vehicle to be repossessed and easily and rapidly position the roller-drawbar under the vehicle to securely lift and support its drive wheels. Relying on the pivotability of the roller-drawbar, the vehicle to be repossessed can be removed from its parking space even if the vehicle is parallel parked tightly between two other vehicles without damaging any vehicles parked close-by and towed to a safer location in just a couple of minutes without any damage to the repossessed vehicle or its drivetrain.

Abstract: A side sill structure included in a substructure of a vehicle body, includes a battery pack disposed below a floor panel, a side sill disposed at an outer part in a vehicle width direction and extending in a front-rear direction of the vehicle body, and a stiffener disposed inside a cross section of the side sill and extending along an extending direction of the side sill. The stiffener is composed of an outer stiffener bulging outward in the vehicle width direction, and an inner stiffener bulging inward in the vehicle width direction. In the side sill structure, a first side surface of the stiffener, formed on the inner stiffener, is shifted to a relatively upper side than a second side surface of the stiffener, formed on the outer stiffener, and the battery pack is supported on a lower surface of the side sill.