Abstract: A snowmobile includes a chassis comprising a bulkhead and a tunnel, a front suspension coupled to bulkhead, a rear suspension coupled to the tunnel, and slide rails coupled to the rear suspension.

Abstract: To make it easier to lift and move a wheelchair by keeping casters from hanging even when the wheelchair is lifted by one hand, a wheelchair includes a folding mechanism that couples a left-side support arm and a right-side support arm foldably in a left-right direction of the vehicle body. The folding mechanism includes an operation part for use in changing a state of a left-side support arm and a right-side support arm from one of a folded state or an unfolded state to another. The operation part is arranged between a rear drive wheel and a caster in a side view of the vehicle body.

Abstract: A differential swerve drive has a carriage that pivots about a pivot axis relative to a base. A drive wheel is rotationally connected to the carriage. A planetary gear system includes a sun gear, a ring gear, a carrier, and at least one planet clear which is pivotally supported by the carrier and is disposed between and meshes with the sun gear and the ring gear. The carrier is fixed relative to the carriage, and an orbiting movement of the planet gear causes a pivoting movement of the carriage, Rotation of the planet gear about a planet axis causes rotation of the drive wheel. A first motor drives the sun gear; and a second motor drives the ring gear.

Abstract: A track link includes an elongate link body formed of a link body material that varies in hardness to form a first lower hardness zone, a second lower hardness zone, and a higher hardness zone. The higher hardness zone includes an upper rail surface of the elongate link body and extends substantially throughout the elongate link body outside of the first and second lower hardness zones, which surround the track pin bores. Related methodology for making a track link is also disclosed.

Abstract: A straddled vehicle including a body frame having a head pipe, a front cover in front of the head pipe, an exterior cover laterally covering the body frame, a fuel tank disposed behind the head pipe, an air cleaner disposed directly below the fuel tank, a duct disposed between the front cover and the head pipe and extending from an opening in the front cover, and a wind guide cover disposed between the head pipe and the fuel tank. The fuel tank and the exterior cover forms a wind guide pathway therebetween, the wind guide pathway being directly below the fuel tank, and being laterally covered with the exterior cover. The wind guide cover is configured to lead traveling wind passing through the duct from the opening to the wind guide pathway, so that the wind guide pathway leads the traveling wind to an air intake port of the air cleaner.

Abstract: An automatic method for controlling in current-mode a motor for assisting with pedaling on an electrically assisted pedal cycle equipped with a sensor that measures a resultant force on its pedal and gear mechanism is provided, including injecting a control current into the motor to generate an assistance torque and computing the value of the assistance torque; computing a value of the longitudinal resultant of the assistance torque by applying a second coefficient of proportionality to the torque value computed in the preceding step; measuring a value of the longitudinal resultant of the total torque; computing a value of the longitudinal resultant of the torque exerted by the cyclist; computing an average value of the torque exerted by the cyclist over a fraction of a crank rotation; computing the value of the assistance torque to be generated in the motor; and deducing the value of the current to be injected.

Abstract: A straddled vehicle including a frame structure having a frame body, a rear arm swingably supported by the frame structure, a driving wheel rotatably supported by the rear arm, a drive motor supported by the frame structure or the rear arm, and an electric power generation unit supported by the frame body but not by the rear arm. The electric power generation unit includes: an electric power generation engine arranged with an offset toward a first direction from a center of the straddled vehicle with respect to a left-right direction, not overlapping the drive motor in a side view; and an electric power generator further in a second direction, opposite to the first direction, than the electric power generation engine, overlapping the electric power generation engine, but not overlapping the drive motor, in the side view. The electric power generator is driven by the electric power generation engine to generate electric power.

Abstract: An adjustment assembly for adjusting a position of one of a pair of steering levers of a riding lawn care vehicle that has first and second drive wheels may include a sleeve, a base portion and a rotatable adjuster. The steering levers may be operably coupled to respective ones of the first and second drive wheels to selectively control the riding lawn care vehicle based on drive speed control of the first and second drive wheels responsive to positioning of the steering levers along forward and rearward directions. The sleeve may be operably coupled to one of the steering levers and the base portion may be operably coupled to the sleeve via a pivot coupling. The pivot coupling is configured to reposition the sleeve relative to the base portion along the forward and rearward directions responsive to operation of the rotatable adjuster to define non-discrete fixing relationships between the sleeve and the base portion along the forward and rearward directions.

Abstract: The present disclosure provides a drive module that includes a drive part that is coupled to a wheel and has first to third motors. The drive part also includes a sensor part that has first to third sensors to detect a motion of the drive part. The sensor part includes a first sensor that is configured to detect a motion of the first rotary shaft, a second sensor that is configured to detect a motion of the second rotary shaft and a third sensor that is configured to detect a motion of the third rotary shaft.

Abstract: The present disclosure relates to a chassis of an automated guided vehicle. The chassis of an automated guided vehicle includes a first mounting plate (100); a first wheel set mounted on the first mounting plate (100); a second mounting plate (200) rotatably connected to the first mounting plate (100); a second wheel set mounted on the second mounting plate (200); a support frame (701); a first connecting rod (702) rotatably connected to the support frame (701) and the first mounting plate (100), respectively; and a second connecting rod (703) fixedly connected to the support frame (701) at one end thereof, and rotatably connected to the second mounting plate (200) at the other end thereof. The automated guided vehicle includes the above-mentioned chassis of an automated guided vehicle.

Abstract: A saddle type two-wheeled vehicle includes: a frame extending along a vehicle longitudinal axis; a swing arm journaled to the frame and adapted to support a rear wheel; and a drive system including one or more drive sources configured to deliver a driving force to the rear wheel. The one or more drive sources include a first drive source and a second drive source, the first drive source comprises at least one mounting portion integrally formed to at least a portion of the first drive source, at least one mounting portion is configured for removably mounting the first drive source on at least a portion of the swing arm, and the second drive source is detachably mounted on the rear wheel.

Abstract: A gardening appliance has a traction drive system with a clutch, an electric motor drive system and a user-triggerable signalling device. The electric motor drive system effects forward rotation and backward rotation of the clutch. An operating method includes: a) in a user-triggered manner, operating the electric motor drive system in a running-down and/or braking operating mode to lower a motor rotational speed of the forward-rotating electric motor drive system; b) acquiring whether a back electromotive force caused by the electric motor drive system satisfies a standstill criterion, wherein the standstill criterion is characteristic of an attainment of a standstill state of the electric motor drive system; and c) when the standstill criterion is satisfied, operating the electric motor drive system in a backward-rotation operating mode to effect the backward rotation of the electric motor drive system for disengaging the clutch for freewheeling operation.

Abstract: A lower fork alignment system for a vehicle is described. The lower fork alignment system includes: a brace detachably coupling a first lower tube and a second lower tube of a lower fork, wherein the first and second lower tubes include: first and second receiving adjustment mechanism configured for receiving corresponding interfacing mechanisms of the brace, wherein upon receipt of alignment features of the interfacing mechanisms, one of the first lower tube and the second lower tube is enabled to be adjusted in a horizontal direction along a horizontal axis, and the other of the first lower tube and the second lower tube is enabled to be adjusted in a vertical direction along a vertical axis.

Abstract: A power-assist drive system for a vehicle (e.g., a bicycle) is provided. The system includes a drive unit assembly attached to a frame of a vehicle and a motor having an output shaft, and a drive gear rotatably associated with the output shaft. The system further includes a driven unit assembly including a driven gear configured to be attached to a wheel hub of the vehicle, and a brake disc coaxially attached to the driven gear. The drive gear may be configured to operably engage the driven gear to transmit power from the motor to the wheel hub. A brake caliper may be integrated with the drive unit assembly. The system may further include a battery and a speed controller configured to receive an input signal to selectively direct electrical power from the battery to the motor to drive the wheel via the drive gear and the driven gear.

Abstract: A hydraulic pressure control unit capable of suppressing application of an external force thereto in comparison with the related art at the time when mounted to a straddle-type vehicle is obtained. A hydraulic pressure control unit (1) includes a base body (10) that is formed with a master cylinder port (11), a wheel cylinder port (12), and an internal channel (13) communicating the master cylinder port (11) and the wheel cylinder port (12) with each other. The master cylinder port (11) is formed in an upper surface (25) of the base body (10), and the wheel cylinder port (12) is formed in a lower surface (26) of the base body (10), the lower surface (26) opposing the upper surface (25). The internal channel (13) is configured not to be able to return a brake fluid in an accumulator (33) to the master cylinder port (11) without interposing an outlet valve (32).

Abstract: A training bicycle with a removably attachable pedal unit enabling adjustment of chain slack by a simple method is provided. The detachable pedal unit is configured to enable attachable/detachable connection of a pedal crank to a bicycle body. The pedal unit includes a unit body having a unit connector for rotatably retaining and fastening to a bicycle body a pedal crank axially supporting a chain wheel. A unit receiving member fixedly installed on the bicycle body to interconnect with the unit connector. A sliding adjustment mechanism provided on the unit receiving member and the unit connector to vary and fix mutual fore-aft connection position of the unit receiving member and the unit connector in order to adjust fore-aft connection position of the bicycle detachable pedal unit relative to the bicycle body and thereby adjusting the chain tension.

Abstract: An electric wheelchair propulsion system for a wheelchair. The propulsion system has a first and a second torque transfer hub rotatably mounted to a respective first and second drive wheel of the wheelchair, and an elongated axle tube arranged between the first and second hubs. First and second motors are arranged within the axle tube extending from opposing ends thereof. First and second drive axles are insertable into bores of the first and second hubs respectively, and are operatively connected to the first and second motors respectively. Means are provided to control the actuation of the motors. Actuation of the motors drives a rotation thereof, transferring a torque to the drive axles. The drive axles in turn transfer a torque to the hubs, thereby rotating the drive wheels.

Abstract: Disclosed is a draw-bar box-type quickly folding micro electric vehicle, comprising of a seat frame assembly (1) that is horizontally arranged, the top surface of which is provided with a foldable backrest. A pair of symmetrically arranged rear wheel assemblies (2) are arranged at a position, close to a rear of the vehicle, on the bottom surface of the seat frame assembly (1), and two vertically downward first connecting posts (101), which are provided near the front of the lower end of the seat frame assembly (1). A footrest assembly (4) is hinged to the lower ends of the two first connecting posts (101) through the first connecting assemblies (3). The footrest assembly (4) is arranged parallel to the seat frame assembly (1), and the plane of the footrest assembly (4) is lower than the plane of the seat frame assembly (1).

Abstract: The present embodiments provide a steering apparatus for vehicle including a motor pulley coupled to the rotation shaft of the driving motor, a nut pulley coupled to the outer circumferential surface of the ball nut, a belt connecting the motor pulley and the nut pulley, a first groove provided on an outer peripheral surface of at least one of the motor pulley and the nut pulley, a second groove provided on an inner surface of the belt at a position opposite to the first groove, and a slip preventing member coupled to the first groove.

Abstract: The present application discloses a differential drive device applied to an AGV, relating to the field of wheeled drivers, and being able to effectively reduce the total height of the differential drive device. The differential drive device includes a differential drive unit (2), a top plate (1) and an outer cover (3). The top plate (1) is installed on a top end of the outer cover (3). The differential drive unit (2) is located in the outer cover (3) at a lower side of the top plate (1). The top plate (1) is supported on the differential drive unit (2). An inner side wall of the outer cover (3) is circular-shaped. The present application applies to apparatuses with transportation functions.