Abstract: A Physical therapy assembly includes a wheelchair that may transport a user. A pad is movably coupled to the wheelchair so the pad may support the user's leg.

Abstract: A constant velocity joint includes an outer housing and an inner race disposed inside the outer housing and spaced therefrom. The outer housing and inner race are respectively rotatable about a first and second rotation axes, and moveable relative to one another to change an angle between the rotation axes. A cage, disposed between the outer housing and the inner race, has cage windows defined therethrough. A plurality of balls, each retained in a corresponding cage window roll along corresponding outer housing grooves and inner race grooves, respectively defined on an inner surface of the outer housing and an outer surface of the inner race. Rotation of one of the outer housing and the inner race about their respective rotation axis, causes rotation of the other. A cooling member disposed on the outer housing contacts at least a portion of its outer surface. Powertrains and vehicles are also disclosed.

Abstract: A snowmobile has a tunnel and a rear suspension assembly. The rear suspension assembly includes at least one rail for engagement with the endless drive track and at least one suspension arm. At least one torsion spring is coupled to the at least second suspension arm. The at least one torsion spring has a first end contacting the rail and a second end. A torsion spring adjuster is fixedly connected to the at least one suspension arm. The torsion spring adjuster receives the second end of the at least one torsion spring. An actuator is operatively connected to the torsion spring adjuster. The actuator is located at least partially outside the tunnel. The actuator operates the torsion spring adjuster to move the second end of the at least one torsion spring relative to the first end of the at least one torsion spring.

Abstract: A head tube assembly suitable for a bicycle and comprising an open steerer configuration and cable routing. The head tube assembly comprises a head tube configured to connect with the top tube and down tube of the bicycle. The head tube includes a lower bearing component and an upper bearing component configured to rotatably engage the fork assembly. The fork assembly comprises an external steerer configured to rotate externally to the head tube. The head tube assembly includes an upper steerer section configured to secure the external steerer, and an internal chamber configured with an aperture for receiving one or more cables and being coupled to the top tube or the down tube. The internal chamber includes one or more guide tubes configured to route the cable(s) through the interior portion of the top tube or the down tube.

Abstract: A tow hitch comprises an elongated tubular shank of rectangular cross-section having four side walls; and at least one tow ball mounted to an adjacent side wall of the shank with a mounting shank extending from a base of the tow ball through a first hole in the adjacent side wall and a second hole in a side wall opposite the adjacent side wall.

Abstract: A speed change controller is provided on a saddle-ride type vehicle and is suited to manipulation by a foot. The speed change controller for saddle-ride type vehicles comprises a detection mechanism that detects operation by a driver for speed change, and a speed change mechanism that performs speed change on the basis of speed change operation detected by the detection mechanism. The detection mechanism provided by the invention comprises an operation part manipulated by a foot for speed change and including a moving part, which moves relative to the vehicle on the basis of manipulation by a foot, and a detection unit that detects that the moving part moves a predetermined amount or more.

Abstract: A set of triple clamps in a front suspension system of a motorcycle, has a top triple clamp and a bottom triple clamp designed to provide a pivoting connection of the front suspension system of the motorcycle with the frame of the motorcycle. The set also has a fixing system for receiving the handlebars of the motorcycle and fixing them to the top triple clamp. According to one feature, the fixing system has a handlebar damper system the movement axis of which is substantially parallel to the movement axis of the front suspension system of the motorcycle.

Abstract: An electric vehicle wherein a seat post is provided as one of the components of a body frame for housing a battery. The body frame includes a main frame, a seat frame, a roof frame, and a shield support part. The main frame includes a battery case which is continuously integral with a rear portion of a head pipe wherein the battery is housed. The seat post is continuously integral with a rear portion of the battery case. The seat frame is configured to be connected to the upper end of the seat post for positioning a seat. The roof frame rises from the rear end of the seat frame and supports the rear end of a roof. The shield support part is provided on to project from a head pipe and, together with the windshield, supports a head lamp disposed on the front surface side of the windshield.

Abstract: A rear-wheels transmission and suspension system, adapted for modifying a two wheeled motorcycle into a motorcycle containing two rear wheels, includes a suspension device, a rear axle and a transmission device. The suspension device includes a supporting frame longitudinally extending along the central axis of a construction frame and pivotally connected with a seat portion of the construction frame of the motorcycle for supporting the rear axle at the rear end the supporting frame while defining a transmission cavity after a rear end of the supporting frame and at a central position behind an output of said engine along the central axis of the construction frame. Therefore the transmission device is able to be supported by the rear axle in the transmission cavity to transmit a rotation output from the engine to drive the rear axle to rotate for driving the rear wheels to rotate.

Abstract: A vehicle includes a chassis and a plurality of wheel assemblies articulated with the chassis, each of the plurality of wheel assemblies comprising a rotatable wheel spaced away from the chassis. A vehicle includes a chassis and an articulated suspension system mounted to the chassis. A method includes comprising articulating at least one of a plurality of wheel assemblies with a chassis, each of the wheel assemblies including a rotatable wheel spaced apart from the chassis. A vehicle includes a chassis and articulatable means for rolling the chassis along a path.

Abstract: A cowl structure that is small in size and light, and that is effective in preventing air discharged from a radiator from being applied to the legs of the rider. An upper cowl includes ridges projecting laterally outwardly in the transverse direction of the vehicle, slanted surfaces extending from the ridges in the forward direction of the vehicle and directed toward the center of the vehicle, and rear slanted surfaces extending from the ridges in a rearward direction of the vehicle and directed toward the center of the vehicle. The air discharged from the radiator is not applied to the legs of the rider. Since the action is achieved simply by deforming the upper cowl, the cowl can be reduced in size and weight.

Abstract: The present invention provides track assemblies and a method that allow bringing the contact patch towards the inside (the outside) of the suspension arm, by providing a asymmetric track assembly, either by lowering at least one inside (outside) support wheel relative to the remaining support wheels, or by using a belt that comprises, transversally, at least one first profile on the outer (inner) side thereof lower than a second profile on an inner side thereof.

Abstract: A caster mounting assembly for mounting a caster wheel on a wheelchair frame includes a mounting body defining a barrel portion to be fixed relative to the wheelchair frame and a rotatable body within the barrel portion that supports the caster wheel thereon for rotation relative to the rotatable body about an upright caster axis. The caster axis is arranged for rotation together with the rotatable body relative to the mounting body. A locking member is slidable within a channel in the mounting body and includes teeth in meshing engagement with corresponding teeth on the rotatable body. One or more positioning screws permit the locking member to be controllably displaced between longitudinally different locking positions within the channel corresponding to different angular orientations of the caster wheel axis.

Abstract: The present invention is a device which can be used to provide rotation motion to a driving wheel by the application of lateral motion by the user. It consists of axial track plate having a plurality of track paths with said guide paths having a plurality of slope sections. Additionally the caliper element can enable movement of a wheelchair's wheel from a first position to a second position. The caliper element is responsive to slope sections such that the slope sections can engage or disengage the caliper element. The caliper element's broad face is parallel to the track plate's broad face. The broad face is perpendicularly connected to each other via cylindrical pegs along the guide paths. The caliper element has a mating surface enabled to rotate a sprocket which is concentrically connected to a wheel hub where wheel rotates at the same angular velocity as the sprocket while the sprocket is in the engaged mode.

Abstract: A trailer including: i) a draw bar; ii) a trailer frame supporting a trailer bed; iii) an arm including a first pivot mount; iv) an axle pivotally connected to the arm at the first pivot mount; v) an actuating mechanism actuatable to exert a force on the arm relative to the trailer frame. The axle includes at least one associated wheel and the wheel has a plane of rotation in which the wheel rotates when traveling in a forward direction, and the actuating mechanism is located substantially in the plane of rotation. The trailer bed may be raised or lowered by exerting a force on the arm relative to the trailer frame.

Abstract: A braking device of a saddle-ride type vehicle that can reduce a load acting on a joint is provided. A joint 200 at a front-wheel brake output side which connects a metal pipe and a flexible brake hose is mounted on a body frame 2 via a mount rubber 260 under a floating state.

Abstract: A rear suspension system for bicycles, such as freeride, downhill and trail-style mountain bikes. The suspension system includes a rear suspension for coupling the rear wheel of the bicycle to the bicycle frame, a rear shock absorber disposed entirely in front of the seat tube of the frame and a linkage for operatively coupling the rear suspension to the rear shock absorber. The linkage intersects the longitudinal axis of the seat tube for transmitting rear suspension forces around the seat tube to the rear shock absorber. The seat tube is preferably continuous and is disposed so that the bicycle seat is adjustable over a full range of seat positions. Additionally, the seat tube and rear suspension system are configured so that the rear wheel and rear suspension will not contact the seat tube, seat, or bicycle rider even when the rear suspension system is in a fully compressed, forward position.

Abstract: The invention relates to an apparatus and method for extracting vibration data from a moving drive chain. In the preferred embodiment, the chain is that of a bicycle, or similar pedaled machine such as an indoor stationery bicycle, with two or more sensors placed on the chainstay of the bicycle to measure the vibrational frequency of the chain. Such vibration data can be used to determine the tension of the chain, and may also further compute the power transmitted by the chain, in conjunction with the measurement of chain speed. The invention provides a method and apparatus for conditioning and filtering the signals from the vibration sensors, as well as an arrangement for positioning the sensors on the bicycle.

Abstract: Disclosed herein is an apparatus for adjusting the height of a saddle for a bicycle. The apparatus includes a saddle lift device that moves the saddle upwards or downwards to adjust the height of the saddle, and a controller that controls the operation of the saddle lift device. In the present invention, even when a bicycle is traveling, the height of the saddle can be automatically adjusted to an appropriate height depending on the travel conditions, thus enhancing the safety of a rider and providing convenience. Moreover, the present invention stores information about the body type of the rider and automatically adjusts the height of the saddle to a height suitable for the body type, thus making it markedly easy to adjust the height of the saddle, and enhancing the safety of the rider while riding the bicycle.

Abstract: An apparatus for transporting a non-ambulatory individual up and down steps includes a seat for the non-ambulatory individual, two front wheels and two larger back wheels positioned under the seat. The apparatus can be used to move up steps through an operator by tilting the apparatus back and moving the apparatus such that the large rear wheels roll towards the steps. When descending steps, the seated occupant can be lowered through successive steps to a lower floor or incorporated landing by tilting the apparatus and moving the rear wheels down the steps. The apparatus includes extension rods which may be extended to stabilize the apparatus while moving up or down steps.