Abstract: Disclosed herein is a device for selectively limiting both rotational directions of a steering wheel, and provided is a steering angle limiting device of a steer-by-wire (SBW) system including a stopping gear configured to be rotated together with a steering shaft; a cam configured to receive a rotational force of an actuator and to be eccentrically rotated; and a stopper configured to be rotated in response to rotational operation of the cam and selectively engaged with gear teeth of the stopping gear, thereby restricting selectively forward and reverse directional rotations of the stopping gear.

Abstract: The present invention comprises a weight distribution tag trailer, having at least some of the following features: (a) a frame assembly, including beams and cross beams and side axle beams, (b) an axle coupled to the frame assembly, (c) shims for optional position between an axle assembly and the side axle beams to allow adjustment of load and balance (d) at least two wheels rotatably mounted to the axle, wherein at least one beam includes an end complementarily sized to be received by a vehicle receiver hitch assembly, and at least one other beam includes a clamp for coupling the beam to a cross frame of the vehicle receiver hitch.

Abstract: A multi-purpose vehicle is disclosed that includes a mode change switch for operating a travel mode of a vehicle body and a mode control device for switching the travel mode of the vehicle body in response to an operation of the mode change switch. The mode control device switches the travel mode of the vehicle body between a two-wheel engine driving mode in which only an engine is driven, a two-wheel motor driving mode in which only a motor is driven, a four-wheel hybrid driving mode in which both of the engine and the motor are driven, and an OFF-mode in which none of the engine and the motor is driven.

Abstract: An electric power steering apparatus includes: a ball nut, which is coupled to a rack bar therein, slides the rack bar, and has a first coupling portion formed to protrude in radial directions from one side of an external circumferential surface such that a fastening member is coupled to the first coupling portion; a nut pulley having a second coupling portion, which is formed to protrude in radial directions from an internal circumferential surface having a hollow therein and which comes in contact with the first coupling portion and to which the fastening member is coupled, and having an external circumferential surface to which the belt is connected and rotates the ball nut; and a deformation preventing member coupled to an opposite end of a portion of the nut pulley in which the second coupling portion is formed.

Abstract: A method for mounting a bicycle drive unit to a frame of a bicycle, in which the bicycle drive unit includes a housing, a crankshaft and a propulsion assist motor. The housing has a first portion and a second portion. The crankshaft is provided to the first portion. The propulsion assist motor is provided to the second portion and includes a rotational axis extending in a direction intersecting a direction in which the crankshaft extends. The method includes a first step of arranging the first portion at a position for mounting the first portion on the frame, and a second step of rotating the housing about an axis parallel to a rotational axis of the crankshaft and inserting the second portion into an opening of the frame after the first step.

Abstract: The present invention discloses a self-balancing scooter, including a scooter body, wheels, a driving motor, a power supply, a circuit board provided with a sensor, a controller and a light emitting lamp. The controller is electrically connected to the circuit board, the power supply and the driving motor respectively. The scooter body includes: an upper shell, pedals, a middle shell, a lower shell and a lampshade. The middle shell is located between the upper shell and the lower shell. The lampshade is provided with at least two spaced lamp strips for transmitting light. The scooter body is provided with lamp holes for placing the lamp strips. A quantity of the lamp holes is identical with a quantity of the lamp strips. Waterproof rings are sleeved on the lamps strips.

Abstract: A vehicle hauling apparatus for hauling a second vehicle with a first vehicle includes: a hitch bar for attaching the apparatus to a hitch receiver; a first rail mounted and arranged vertically to the hitch bar; a second rail mounted and arranged to slide vertically along the first rail; a jacking mechanism connecting the first rail to the second rail so as to lift and lower the second rail; a first element of a pivot attached to the second rail; a wheel cradle in which a tire of the second vehicle may be seated; and a second element of the pivot attached to the wheel cradle; whereby the tire of the second vehicle may be rolled along a ground surface into the wheel cradle while the wheel cradle rests on the ground surface and then be raised into a position for hauling by the jacking mechanism.

Abstract: A slide-out undercarriage mounted on an underside of a first trailer pulled by a highway tractor. The slide-out undercarriage is adapted for attaching a rear of the first trailer to a front of a second trailer. The slide-out undercarriage includes a fixed undercarriage frame mounted on an underside of a first trailer. A front axle with front wheels is mounted on a front axle frame and a rear axle with rear wheels is mounted on a rear axle frame. The rear axle frame includes a fifth wheel adapted for engaging a king pin on the front of the second trailer. A pair of first slide out tubes are attached to the front axle frame. A pair of second slide out tubes are attached to the rear axle frame. The first and second slide out tubes provide for allowing an operator of the first trailer to adjust the front and rear axles in various load positions under the first trailer when pulling the second trailer.

Abstract: A bicycle hub unit configured to be stably coupled to a frame of a bicycle includes a hub axle and a rotation restriction member. The hub axle is configured to be coupled to the frame of the bicycle. The rotation restriction member is configured to couple the hub axle to the frame so that rotation relative to the hub axle and the frame is restricted. At least one of the hub axle and the rotation restriction member has a cable guide structure configured to guide a cable, which electrically connects an electric component and an electronic component, in a region including the rotation restriction member in an axial direction parallel to a center longitudinal axis of the hub axle.

Abstract: There is provided a mounting structure of an oil control valve unit configured to control a hydraulic pressure to a variable valve timing device of an engine. The engine is supported by a vehicle body frame. A heat exchanger is mounted in front of the engine. The oil control valve unit is mounted at a side of the engine. A part of the vehicle body frame is arranged between the oil control valve unit and the heat exchanger in a front and rear direction.

Abstract: A vehicle includes a main frame, a power unit, a power controlling unit, and a battery receiving module. The power unit, a power controlling unit, and a battery receiving module are disposed on the main frame respectively. The battery receiving module is disposed between the power unit and the power controlling unit along a front-rear direction of the vehicle.

Abstract: A robotic device may traverse a path in a direction of locomotion. Sensor data indicative of one or more physical features of the environment in the direction of locomotion may be received. The implementation may further involve determining that traversing the path involves traversing the one or more physical features of the environment. Based on the sensor data indicative of the one or more physical features of the environment in the direction of locomotion, a hydraulic pressure to supply to the one or more hydraulic actuators to traverse the one or more physical features of the environment may be predicted. Before traversing the one or more physical features of the environment, the hydraulic drive system may adjust pressure of supplied hydraulic fluid from the first pressure to the predicted hydraulic pressure.

Abstract: A foldable bicycle is disclosed herein which can be unlocked to fold. It comprises a main frame having a first connecting rod and a second connecting rod, a first folding joint between the first connecting rod and the second connecting rod and having a first outer shell, a second outer shell, an engaging unit, an elastic member, a press button and a cam locking member, a front wheel rack connected to a front end of the first connecting rod, a front wheel connected to the front wheel rack, and a rear wheel connected to a rear end of the second connecting rod.

Abstract: A disclosed vehicle wheel assembly includes a plurality of wheels, a plurality of rotary drive modules each having a respective rotation axis, and a plurality of rotatable arms, wherein each arm is arranged to extend radially from a rotation axis of a respective rotary drive module to couple the respective rotary drive module to a respective wheel. Each rotary drive module is operable to drive rotation of a respective rotatable arm about the rotation axis of the drive module, to thereby rotate a respective wheel about the rotation axis. A control module can sense stepped terrain, and control each rotary drive module to enable a vehicle to travel over the stepped terrain.

Abstract: Heat radiation base body 23 that is adjacent to electric motor unit EM and extends in direction of rotation shaft of electric motor is provided close to rotation shaft of electric motor. Board 24 of one electronic control unit of redundant system is fixed to heat radiation base body along direction in which heat radiation base body 23 extends with thermal conduction to heat radiation base body 23 allowed. Board 26 of the other electronic control unit of redundant system is fixed to heat radiation base body so as to face to board 24 of one electronic control unit of redundant system, with thermal conduction to heat radiation base body 23 allowed. Rotation position detection circuit board 22 to which neutral terminals 31 of electric motor for each phase are connected is provided between heat radiation base body 23 and motor housing 20.

Abstract: A method, system, and machine for controlling the output of an engine of a machine includes calculating the difference between a measured track slip based on track speed and ground speed and a calculated target track slip depending on track speed and chassis pitch, inputting the difference into a controller to determine a propulsion engine torque limit, and limiting the engine toque to the propulsion engine torque limit plus a steering system input torque.

Abstract: A supporting structure includes two pairs of legs and four wheels each arranged at a lower end of a respective one of the legs. Each leg includes an upper segment and a lower segment, and optionally a retractable leg extension segment for contacting ground instead of the corresponding wheel. Such supporting structure is adapted for producing a lowering motion while keeping the legs crossed on both lateral sides. Such supporting structure may be adapted for assisting a disabled person in travelling on the ground, and also possibly in climbing stairs.

Abstract: A wheelchair comprising a support frame (200), a seat frame (210), which is connected movingly in its front part to the support frame (200), and is connected in its rear part to the support frame (200) via a spring shock absorbing mechanism in the form of a torsion beam (105) connected to the rear axle (101) of the wheelchair, via at least one connecting element (104) allowing for immobilization of the connection between the torsion beam (105) and the rear axle (101), wherein at least one end of the torsion beam (105) is fixedly connected to the lever (110) which is pivotally connected to the connector (120) connected to the rear part of the seat frame (210), furthermore, the ends of the torsion beam are pivotally supported by the slide sleeves (103) located in the brackets (102) mounted on the rear axle (101).

Abstract: A mobile drive unit includes a pivot between the front chassis unit and the rear chassis unit, thereby diminishing the total height of the unit.

Abstract: An auxiliary bicycle transmission for a bicycle has a crossbar formed by a telescoping bar slidably mounted in an outer channel member. One end of a half chain or half V-belt is connected to the telescoping bar, the other end is connected by means of a spring to the upper end of a down tube, and the chain or V-belt that engages a freewheeling sprocket or pulley so that when the telescoping bar extends out of the outer channel member against the spring force, the freewheeling sprocket rotates and provides additional motive force to the standard transmission of the bicycle.