Abstract: A steering assistance device includes an input shaft, a torque sensor, and output shaft, a gear unit, a steering housing, and a drive unit. The drive unit and the torque sensor are arranged so as to be in mechanical contact with the steering housing. The drive unit has a pump for conveying the working medium and a motor for driving the pump. The drive unit has a reservoir for containing working medium, wherein at least the pump is arranged within the reservoir. The input shaft, the torque sensor, the gear unit, and the drive unit are arranged in a row along a longitudinal axis.

Abstract: A chair-drive interface assembly is for use with a wheelchair assembly having a first chair-connection member and a second chair-connection member, and also for use with a drive assembly including a wheel assembly, a motor assembly, a drive-connection member and a steering assembly. The chair-drive interface assembly has a first connection member configured to be fixedly attached to the first chair-connection member. The chair-drive interface assembly also has a second connection member configured to be fixedly attached to the second chair-connection member. The second connection member is spaced apart from the first connection member. The chair-drive interface assembly also has a third connection member configured to be fixedly attached to the drive-connection member of the drive assembly.

Abstract: Adjustable suspension for a bicycle, comprising a suspension body provided with a main fluid inlet and a fluid outlet, a piston disposed in the suspension body and comprising a piston head delimiting a first chamber and a second chamber, the first chamber being in fluid communication with the main fluid inlet, the piston being movable in translation in the suspension body between at least one first position in which the fluid outlet fluidly communicates with the second chamber but not with the first chamber, so as to deploy the piston, and at least one second position in which the fluid outlet is in fluid communication with the first chamber.

Abstract: A wheelchair includes a seat, a first adjustable leg coupled to a first side of the seat, a second adjustable leg coupled to a second side of the seat, one or more turning sensors, and a control unit. The first adjustable leg includes a first leg actuator configured to extend and retract the first adjustable leg. The second adjustable leg includes a second leg actuator configured to extend and retract the second adjustable leg. The one or more turning sensors are configured to output a turning signal indicative of the wheelchair performing a turning motion. The control unit is operable to determine the wheelchair is performing the turning motion based on the turning signal, and automatically adjust a tilt angle of the seat with the first leg actuator and the second leg actuator to lean a user of the wheelchair into the turning motion.

Abstract: A vehicle according to a vehicle system and method includes a chassis, a coupler, and a platform on the chassis. The coupler is mounted to the chassis at a first end of the chassis and is configured to releasably connect the vehicle to a second vehicle. The platform is for supporting a cargo container and includes a base portion and a bridge member. The bridge member is located at an end of the platform and is extendable relative to the base portion from a retracted position to an extended position to lengthen the platform. The bridge member in the extended position projects beyond the first end of the chassis, above the coupler, towards the second vehicle for establishing a bridge to transload the cargo container from the platform to the second vehicle.

Abstract: A knuckle guard (30) according to an embodiment includes a wind guide portion (35) that is disposed in front of a grip (17) of a handlebar (15) of a vehicle (1) and has a communication hole (36) which opens in a vertical direction, wherein the wind guide portion (35) covers the communication hole (36) in a front view.

Abstract: A method for forming a bicycle frame component made of thermoplastic composite laminates has: a shell forming step: manufacturing multiple shells by compression molding; an overlapping step: overlapping two corresponding connecting margins of each two of the multiple shells to form an overlapping section of the two of the multiple shells and deploying a supporting unit within the multiple shells for supporting; a hot compressing connection step: heating and compressing the multiple shells to diffuse polymers of the multiple shells and to turn the multiple overlapping sections into multiple fusion areas for connection; a supporting unit removal step: removing the supporting unit disposed within the bicycle frame component.

Abstract: The present disclosure relates to redundant steering system, including a first steering knuckle rotatable with respect to a first steering axis, a first steering cylinder, a first steering rod coupled to the first steering cylinder, a second steering cylinder, and a second steering rod coupled to the second steering cylinder. The first steering rod and the second steering rod are each rotatably coupled to the first steering knuckle at a distance from the first steering axis and at different positions along the first steering axis.

Abstract: An adjustable wheelchair and components thereof are provided. The wheelchair may include a first chassis connected to a first wheel on a first side of the wheelchair. The first chasses may include a first strut configured to laterally translate while supporting a seat. The wheelchair may further include a second chassis connected to a second wheel on a second side of the wheelchair. The second chasses may include a second strut configured to laterally translate while supporting the seat. A jack may be connected to the first chasses and second chasses. The jack may operatively cause the first and second chassis expand away from each other and contract toward each other to vary a width between the first side and second side of the wheelchair.

Abstract: Ride-on outdoor power equipment includes one or more batteries, one or more electric traction motors electrically connected to the one or more batteries, one or more user input devices, a plurality of sensors, and a controller in communication with the one or more batteries, the electric traction motors and the one or more user input devices, the controller configured to control the electric traction motors to operate the ride-on outdoor power equipment based on inputs received via the user input devices.

Abstract: A rack-driven electric power assisted steering device includes a rack bar which axially slides in a rack housing and has an outer circumferential screw groove formed at the outer circumferential surface thereof; a ball nut which has an inner circumferential screw groove formed at the inner circumferential surface thereof and corresponding to the outer circumferential screw groove of the rack bar, and has a ball circulation passage formed between the inner and outer circumferential surfaces thereof, the ball circulation passage passing through the ball nut in the axial direction; end caps coupled to ends of the ball circulation passage, each of the end caps having a ball return hole provided to circulate balls through the ball circulation passage, the outer circumferential screw groove, and the inner circumferential screw groove; and a support member coupled to the inner circumferential surface of the ball nut while axially supporting the end caps.

Abstract: A steering reaction force generation device for a vehicle may include a housing; a transfer shaft part rotatably installed in the housing, and disposed coaxially with a steering shaft; a stator part fixed to the inside of the housing; a rotor part connected to the transfer shaft part, and configured to rotate the transfer shaft part through an electromagnetic interaction with the stator part; and a power transfer part installed in the rotor part, and configured to transfer a rotational force of the transfer shaft part to the steering shaft.

Abstract: A patient transport apparatus operable by a user for transporting a patient along stairs. A seat section is coupled to a support structure supporting a track assembly having a belt. A motor selectively generates torque to drive the belt. A user interface is arranged for engagement by the user, and has a direction input control for selecting a drive direction of the motor, and an activation input control for operating the motor to drive the belt. A controller in communication with the motor and the user interface is configured to limit operation of the motor in response to user engagement of the activation input control preceding engagement of the direction input control to prevent driving the belt, and to permit operation of the motor in response to user engagement of the activation input control following engagement of the direction input control to drive the belt in a selected drive direction.

Abstract: A device for supporting a wheelchair includes a frame and a support system. The first end of the frame is attached to an axle of the wheelchair. The second end of the frame is attached to a wheel for allowing translation of the device over a surface. The support system is coupled to the frame and may be positioned to catch a back of the wheelchair upon reclining of the wheelchair during a wheelie. The position of the support system with respect to the frame is adjustable in order to catch the wheelchair at varying angles of reclining. As the user of a wheelchair develops skill in performing a wheelie, the position of the support system may be moved further away from the wheelchair.

Abstract: A bicycle training aid device comprising a cantilevered handle member for grasping by a user and guiding and/or supporting a bicycle, the cantilevered handle member disposed laterally adjacent to and extending in a direction outwardly away from a rear wheel of the bike and is retained on the frame of the bicycle using a plurality of attachment plates, wherein the plurality of attachment plates are configured to be coupled together with fasteners and each having a plurality clips configured to receive frame members on the frame of the bicycle.

Abstract: A power switching structure includes an input shaft, a detection shaft sleeve fit over the input shaft, an assisting power assembly, and an output assembly selectively drivable by the input shaft and the assisting power assembly. The output assembly includes first and transmission sleeves rotatably mounted to the input shaft. The assisting power assembly includes a power member rotatably mounted to the second transmission sleeve. A one-way bearing is arranged between the first and second transmission sleeves and the power member. An output member is mounted on the second transmission sleeve. A micro-motion static frictional force is induced between the first and second transmission sleeves and the input shaft to allow the detection shaft sleeve to directly and accurately measure a torque value of the input shaft. The one-way bearing arranged between the first and second transmission sleeves and the power member allows for selection among sources of power.

Abstract: The present invention relates to a trailer drive unit in the form of a caravan mover comprising a motor 16 (drive means/drive device), a head 14 housing a roller 20 which are linked together by a gear mechanism 22. Specifically, the present invention provides a support and drive transmission system 22 located centrally on the roller 20 with the roller 20 being provided by a first lateral portion/roller 19 and a second lateral portion/roller 21. In this arrangement, the length of the lateral roller 10 portions 19, 21 are individually shorter than a single roller such that the torque created in the central drive transmission portion is significantly less.

Abstract: Disclosed embodiments include steering circuits utilizing a controllable cross-feed loop between left and right drive motor sides of an articulated power machine to reduce skidding caused by a turning operation in which an articulation actuator changes an articulation joint angle between a front frame member and a rear frame member of the power machine.

Abstract: A system for automated trailer weight distribution, including: A system for automated trailer weight distribution, having a tow vehicle with a hitch mount having a spring bar. The system may also include a trailer and a spring bar mount disposed on the trailer and having an initial position relative to the trailer, where the spring bar mount is configured to receive and engage the spring bar. Furthermore, a weight distribution measurement device disposed in association with the tow vehicle and being configured and arranged to determine a weight distribution of the tow vehicle when the spring bar is engaged with the spring bar mount and a weight distribution actuator can be configured and arranged to adjust the height of the spring bar mount while engaged with the spring bar.

Abstract: Techniques related to retroreflective surface layers for micro-mobility transit vehicles are disclosed. A retroreflective surface layer may be formed over at least a portion of a component of a micro-mobility transit vehicle by forming a powder coat layer over the portion of the component and baking the powder coat layer to cure the powder coat layer. An uncured clear coat layer may be formed over the powder coat layer. The uncured clear coat layer may be impregnated with a plurality of glass beads via an air-pressure applicator. The uncured clear coat layer impregnated with the glass beads may be baked to cure the clear coat layer. The retroreflective surface layer may include the powder coat layer, clear coat layer, and the plurality of glass beads distributed within the clear coat layer. The retroreflective surface layer may reflect incident light back to its source with minimal scattering of the light.