Abstract: A wheelchair that prevents the secondary transmission of germs, including a seat, a drive mechanism, antibacterial fabric, and a dirt-retaining board. The drive mechanism is symmetrically provided about the seat. The drive mechanism includes a frame, front wheels, rear wheels, and drive wheels. The frame is fixedly connected to the seat. The front wheels, the rear wheels, and the drive wheels are all rotated and set on the frame. The drive wheels are not coaxial with the front wheels and rear wheels and do not interfere with each other. Drive wheels are connected to the rear wheels by transmission. The dirt-retaining boards are installed on the rear wheels in coordination. The active wheels, the seat, the armrests, and the push handles are sleeved thereon with antimicrobial fabric.

Abstract: A gear is provided that has excellent continuous moldability for practical use, and both high slidability and high durability. The provided gear is a molded resin constructed of a resin composition comprising a thermoplastic resin (A) and cellulose nanofibers (B) with an average fiber diameter of 1000 nm or smaller, and having a number average molecular weight of the thermoplastic resin (A) in the range of 10,000 to 150,000, wherein a sliding surface of the gear with another gear teeth has an arithmetic mean surface roughness Sa of 3.0 ?m or lower.

Abstract: A drive unit includes a support frame, a drive wheel and a prime mover. The support frame is disposed to be pivotable about a pivot axis. The drive wheel is supported by the support frame. The prime mover is supported by the support frame. The prime mover drives the drive wheel. The support frame and at least one member form a pivot unit. The at least one member pivots together with the support frame. The pivot unit has a center of gravity disposed on the opposite side of the pivot axis with respect to the drive wheel.

Abstract: A wheelchair including a transparent frame including a first side panel, a second side panel, a back section between the first and second side panels, and a seat section between the first and second side panels, a plurality of wheels rotatably coupled to the frame, and at least one handle coupled to the frame, wherein the wheelchair is entirely nonmetallic.

Abstract: A solar-powered vehicle that includes a body having a front end, rear end, top and opposing sides; two or more wheels; and a first and second solar panel assembly respectively disposed on the opposing sides of the body.

Abstract: A materials handling vehicle comprising a hitch system, and a drive mechanism. The hitch system comprises a hitch and a hitch controller. The hitch comprises a latch, one or more sensors, an actuator, and a receiving member. The latch is positionable between open and closed positions. The actuator is positionable between retracted, intermediate, and extended positions. The receiving member is configured to lead a cart hook to engage the latch when in the closed position. The one or more sensors are configured to detect a position of the latch and a presence of the cart hook received within the receiving member. The hitch controller is configured to position the actuator in one of the retracted position, the intermediate position, and the extended position, and to position the latch in one of the open position and the closed position in response to signals received from the one or more sensors.

Abstract: A self-balancing vehicle comprising two axially spaced wheels (3, 4) mounted on a main body (2), an electric drive coupled to at least one wheel (3, 4), control means adapted to maintain the vehicle in balance by controlling the drive, a receptable for carrying and conveying a load, the vehicle having an adjustment mechanism (7) for linear displacement of the receptable arranged so that the receptable is adjustable by the linear displacement both along the longitudinal axis and along the vertical axis of the vehicle.

Abstract: An automated device is configured to move in contact with a building board. The automated device includes a chassis bearing a tool, the tool being configured to carry out a mechanical operation on the building board. The automated device includes at least one suction member and at least one system for setting the automated device in motion. The suction member includes at least two chambers allowing the automated device to adhere to the building board, the tool being situated between the at least two chambers.

Abstract: Various personal mobility vehicles, such as scooters, are disclosed. The scooter can include at least one battery and motor for powering at least one driven wheel. The vehicle can include a gear assembly to convert a torque produced by the motor to a different torque to a driven shaft to power the at least one driven wheel. The battery can be removable.

Abstract: A bicycle hub system, method and device including rear and front hub assemblies. Both the rear and front hub assemblies include locking mechanisms with matching undulating splined coupling faces that correspond to complementary undulating splined coupling faces of a wheel hub.

Abstract: A vehicle towing device and mechanism for wheelie bin and refuge containers preferably includes an interface attaching mechanism for securing the device to the vehicle using a lower horizontal component. This component can utilize the vehicle's towing receiver or be adapted for other attachment methods. The invention further comprising a tee-shaped intermediate assembly and further attaches to a refuge container to Interface attaching mechanism consisting of 2 primary parts made from a metal preferably aluminum or a polymer like material which may be effectively mirror images of each other and rotate about the horizontal round stock arm of the Tee Assembly in opposite directions to each other concurrently to surround the refuge container handle to securely attach the refuge container to the Tee Assembly.

Abstract: A shock absorber includes: a damper tube accommodating a piston in a reciprocally movable manner; a suspension spring for urging the damper tube and a piston rod in opposite directions; a first male screw provided on an outer peripheral surface of the damper tube; a first nut screwed into the first male screw so as to enable a spring load of the suspension spring to be adjusted; a second nut screwed into the first male screw so as to enable a position of the first nut in an axial direction of the damper tube to be fixed; a second male screw having a reverse screw configuration to the first male screw and provided on the outer peripheral surface of the damper tube; and a damper head screwed into the second male screw so as to enable the damper head to cover one end portion of the damper tube.

Abstract: An off-road trailer includes a lower frame, a housing positioned on the lower frame, an extendible trailer tongue with a ball hitch receiver, an upper frame positioned above an upper surface of the housing, a rear frame, and at least two wheels. The upper frame and housing may store off-road gear, such as camping accessories. The housing may have one or more retractable platforms that may receive additional gear. Due to the configuration of the lower frame and the wheels, the trailer may be configured to traverse numerous types of terrain due to its lightweight frame and maneuverability.

Abstract: A wheel suspension system is disclosed. The wheel suspension system may include a suspension assembly that may include a sub-frame adapted to be connected to a reference frame of a vehicle, a wheel interface adapted to rotatably support a wheel of the vehicle and to define a wheel rotation axis and a wheel rotation plane, and one or more linking units. Components of the linking unit(s) may be pivotally connected to each other, to sub-frame and to the wheel interface using pivoting connection that may cause components of the linking unit(s) to rotate about axes that are substantially perpendicular to the wheel rotation axis. The components of the linking unit(s) may be dimensioned, and positions of the pivoting connections may be set to cause a substantially linear motion of the wheel interface along a reference wheel interface motion axis that is perpendicular to the wheel rotation axis.

Abstract: An automated order fulfillment system and mobile robot are disclosed, where the mobile robot includes a compliant drive for moving between levels of a multilevel storage structure.

Abstract: Techniques are disclosed for systems and methods associated with a powertrain for a micro-mobility fleet vehicle. The fleet vehicle may include at least one drive wheel to provide tractive contact between the flee vehicle and a road surface, an electric motor mechanically coupled to the drive wheel and configured to provide motive force for the fleet vehicle, a brake resistor configured to provide dynamic braking of the motor, and a motor controller electronically coupling the brake resistor to the motor. The motor controller may be configured to control the motive force provided by the motor using the brake resistor. The motor controller may be configured to limit a speed, power, and/or acceleration of the motor using the brake resistor based on an operational environment of, and/or on a directive received by, the fleet vehicle. The brake resistor may provide a relatively wide range of traction control for the fleet vehicle.

Abstract: Drive disks are configured to rotate a main wheel by applying a frictional force thereto. Each of the drive disks includes a base and a plurality of rollers. The base includes a first sheet metal member and a second sheet metal member. The first sheet metal member includes a first central part and a plurality of first arm parts. The second sheet metal member includes a second central part and a plurality of second arm parts. Each of the rollers has a first end and a second end in an axial direction thereof. Each of the first arm parts and each of the second arm parts support the first end of one of two rollers adjacent to each other and the second end of the other of the two rollers adjacent to each other.

Abstract: An aspect of the invention provides a folding bicycle (10) comprising a first frame section (12a); a second frame section (12b) movably mounted to the first frame section so that the first and second frame sections may be moved relative to each other from an unfolded position to a folded position; a front wheel (40) mounted to the first frame section; a rear wheel (42) mounted to the second frame section; a chainset (48) mounted to the first frame section comprising a pair of crank arms (48a) fixed to a bottom bracket axle (74) and defining a crank shaft axis orthogonal to the first and second frame sections; wherein, the bottom bracket axle comprises first and second axle members (74a) extending orthogonally to the crank arm axis and a bridge portion (74b) connecting the first and second axle members, the bottom bracket axle defining a void between the first and second axle members, and wherein, when in a folded position the front and rear wheels are positioned at least partially within the void defined betw

Abstract: A saddle-type vehicle includes an engine, a vehicle body frame, a fuel tank, and a fuel pump configured to supply fuel from the fuel tank to the engine. The vehicle body frame includes a head pipe, one main frame extending rearward and downward from the head pipe, a cross member connected to the rear end of the main frame and extending in the vehicle width direction, a pair of left and right body frames extending downward and rearward from the cross member, and a pair of left and right seat rails connected to the pair of left and right body frames, respectively. The cross member is disposed in front of the fuel pump. The pair of left and right body frames are arranged to sandwich the fuel pump in the vehicle width direction in a top view, and are connected to the cross member.

Abstract: An ATV is shown having a steering system comprised of a power steering unit having drive and driven pitman arms coupled to a drag link. The drive pitman arm is laterally offset from a vehicle centerline and is driven by the power steering unit. An alternate power steering system includes a pack and pinion subassembly coupled to a power steering motor, which then couples to steering arms of the ATV.