Abstract: A derailleur cable router is provided for changing the direction of a derailleur cable having a cable housing surrounding at least a portion of the derailleur cable. The derailleur cable router includes a base member, a pulley mounted on the base member for rotation around a pulley axis, and a housing support movably supported on the base member. The housing support pivots relative to the pulley around a first axis and a second axis, wherein the first axis is different from the second axis.

Abstract: The invention provides an electric bicycle comprising an electric motor mounted on the body of the bicycle between the saddle and the outer periphery of the rear wheel, and a belt transmission mechanism for transmitting the rotation of the motor to the rear wheel on speed reduction. The belt transmission mechanism comprises a drive pulley provided between the saddle and the outer periphery of the rear wheel for receiving the power of the motor, a driven pulley having the same diameter as the rim of the rear wheel and rotatable with the rear wheel alongside the rim, and a belt reeved around the drive pulley and the driven pulley. These components realize a simple construction wherein the rotation of the motor can be transmitted to the rear wheel as reduced to the desired speed in a smaller number of stages.

Abstract: A rear derailleur for a bicycle includes a base member for fixing to a bicycle frame, a movable member for supporting a chain guide, and a linkage mechanism coupling the base member to the movable member so that the movable member is capable of movement relative to the base member. A roller is coupled to the base member for rotation about a rotation axis, wherein the roller includes a cable guiding surface for guiding an inner wire of a control cable. A casing support is provided for supporting an outer casing of the control cable, and a pivot coupling pivotally supports the casing support to the base member so that the casing support pivots around a pivot axis that is spaced apart from the rotation axis.

Abstract: A device is disclosed for adjusting and aligning an axle of a wheeled vehicle wherein a pair of such devices are disposed on either side of a vehicle such as a motorcycle. The devices then provide a scale on both sides of the machine which are visible through sights. A person attempting to adjust and align the axle of the machine must then simply match the scales on either side of the machine to ensure that the axle is aligned.

Abstract: A chain drive which has an automatic chain tension adjustor. The chain adjustor has a housing cover with a cover head suitable for being turned with a ratchet for transferring torque to an adjacent motor spring. The motor spring is connected to a shaft within a chain adjustor screw housing. A chain adjustor screw within the shaft is urged by the motor spring through the shaft and housing against the chain adjustor arm. The arm pushes the chain and reduces slack in the chain.

Abstract: A motorized scooter comprises a generally tubular frame, a deck mounted on the frame having a generally planar unencumbered rider support portion adapted to carry a rider standing upon the deck, a front steerable wheel, a steering member rotatably secured to a front end of the frame and to an axle of the front wheel, a rear driven wheel having an axle rotatably supported by a rear portion of the frame, a motor mounted forward of the rear wheel on the rear portion of the frame, and a drive transfer device connecting the motor to the rear wheel. The motor has a drive shaft which extends from the motor parallel to and in front of the rear wheel. The free end of the drive shaft is located on one side of and forward of the rear wheel. The drive transfer device couples the drive shaft to the rear axle on the opposite side of the rear wheel.

Abstract: The object of this invention is to provide a one-sided rear swing arm suspension system for a motorcycle having a chain-driven rear wheel, in which the tension of the drive chain may be adjusted without affecting the ride height of the motorcycle. The suspension system includes a rear swing arm (10) that is pivotably attached to the body (12) of the motorcycle, and which extends rearwardly around and alongside the rear wheel (16). The rear end of the swing arm includes elongate recesses which guide and receive an adjustment yoke (18). The rear wheel is journalled on a spindle (28) that extends transversely from the adjustment yoke. The yoke is positionable longitudinally on the swing arm by means of an adjustment stud (22) extending from the swing arm, and a corresponding adjustment nut (24) entrapped in the neck of the yoke.

Abstract: A chain adjusting device for vehicles having a rear fork pivoted to a main vehicle frame with an intermediate shaft and a driving shaft rotatably mounted to the rear fork. A primary chain coupling the intermediate shaft with the output shaft of an engine and a secondary chain coupling the intermediate shaft with the driving shaft directs power from the engine to a drive wheel. The intermediate shaft is mounted to the rear fork by means of a bearing assembly mounted to a bracket located between parallel cross members of the rear fork. An adjustment bracket is provided to mount arms associated with the bearing assembly in position.

Abstract: A skid steer vehicle comprising a body having a front end and a rear end and ground engageable propulsion wheels disposed on opposite sides of the body, each propulsion wheel being carried on an outer end of a stub axle which is housed, so as to be rotatable about an axis of rotation, in a stub axle housing member mounted on the body wherein each stub axle housing member is provided with a carrier member which is mountable on the body in a selected one of a plurality of any angular positions about a reference axis, the stub axle housing member being positioned relative to the carrier member so that said axis of rotation is disposed eccentrically relative to said reference axis.

Abstract: A front and rear wheel drive motorcycle includes an engine unit including a cylinder assembly and a crank shaft and first and second speed change belt mechanisms mounted to one end of the crank shaft for driving the front and rear wheels, respectively. The first and second speed change belt mechanisms are operatively connected to first and second speed change gear mechanisms through first and second speed change gear mechanisms through first and second driven pulleys respectively provided to the first and second change belt mechanism. To one end of the crank shaft is mounted a driving pulley means operated in common with the first and second speed change belt mechanisms. The driving pulley means comprises a stationary driving pulley mounted to one end of the crank shaft and operated in common with the first and second speed change belt mechanisms and a pair of movable driving pulleys mounted to one end of the crank shaft with the stationary driving pulley interposed therebetween.

Abstract: A front wheel drive system for a motorcycle. The system is particularly adapted to be incorporated in a one-sided front wheel suspension system. The front wheel drive system may be used alone, to provide a motorcycle having front wheel drive only, or it may be used in combination with a conventional rear wheel drive to provide a two wheel drive motorcycle. The system includes a control arm (24) which is pivotably attached to the motorcycle body (22) and which houses a drive chain (42). The drive chain is connected through a constant velocity ball joint to a second drive chain journalled in an upright kingpin (28), which connects to a wheel sprocket. The constant velocity joint allows power to be transmitted to the front wheel (12) while also allowing for steering and suspension motions of the front wheel.

Abstract: A self-adjusting chain tensioning device comprising a spring loaded rubbing block in continuous contact with said chain. Shims are used to preload or pre-compress said spring or springs. The rubbing block and shims are horizontally fixed but vertically slideable within an inner slide plate and an outer slide plate. Means to fixably position the inner slide plate and outer slide plate are provided.

Abstract: A structure for supporting the rear wheel of an automotive two-wheeled vehicle includes a swing arm having its front end supported on a body frame in a verically oscillating manner, an axle case fixedly secured at the rear end of the swing arm, an axle rotatably supported in the axle case through bearing members, a rear wheel removably mounted on one extending end portion of the axle from one side of the swing arm, and a power transmission member removably attached to the other extending end portion of the axle from the other side of the swing arm.

Abstract: The application discloses a compensating mechanism for vehicles having two or more wheels with one of those driven wheels being pivotally mounted at the rear end of a swingarm. The compensating mechanism is comprised of a eccentric cam arrangement for the forward end of the swingarm to pivot on and a rocker arm with connecting members to interconnect the swingarm and the eccentric cam. A method of controlling the rotation of the eccentric cam with respect to the swingarm is also disclosed to allow the rear driven wheel to remain a fixed distance away from the engine driver sprocket as the swingarm moves with respect to the driver sprocket.

Abstract: The present invention relates to an improvement in the cooling efficiency of an air cooling and vent device for use with a belt drive type power transmission for an all terrain vehicle, wherein cooling air introduced into a belt drive casing by an air suction fan built integrally with a drive pulley of the transmission is forced out of an air outlet provided in the middle position between the drive pulley and a driven pulley to the atmosphere by the suction effect of a cooling fan of the engine.

Abstract: A rear wheel braking apparatus for a motorcycle wherein a rear fork with a rear wheel pivotally mounted on the rear end thereof is coupled to the frame of the motorcycle via a pivot shaft in a vertically swingable manner; a rear wheel drive device for coupling between the output shaft of an engine on the frame and the rear wheel is provided side by side with the rear fork; an anti-lock controlling unit for controlling the braking hydraulic pressure to be fed to the rear brake in response to the output from a built-in sensor is provided on the rear fork in the vicinity of the pivot shaft; and wherein the drive shaft of the sensor is coupled to the rear wheel drive device.

Abstract: An improved drive arrangement for an off the road motorcycle having a rear wheel that has a width substantially equal to the width of the motorcycle frame. The rear wheel is supported by a trailing arm and is driven by a drive that includes an intermediate shaft that is rotatably journaled on the trailing arm. One end of the intermediate shaft is driven from the engine output shaft by a drive shaft and the other end of the intermediate shaft drives the rear wheel through a chain. The chain is positioned a substantially greater distance outwardly from the longitudinal center line of the motorcycle than is the drive shaft so as to afford a good rider position and relatively narrow width.

Abstract: An improved final drive arrangement for an off the road motorcycle embodying large low pressure tires wherein the rear wheel is driven from one end of an intermediate shaft that is rotatably supported on the rear wheel supporting trailing arm by means of a drive shaft.

Abstract: An off the road motorcycle of the type having a rear wheel mounting a balloon type tire and an improved suspension and driving arrangement therefor. The driving arrangement includes a first chain that is disposed on one side of the longitudinal center line of the motorcycle and which is driven by its engine and a second chain disposed on the opposite side of the motorcycle and driving the rear wheels. The chains are interconnected by an intermediate shaft that is journaled on the trailing arm and positioned rearwardly of the trailing arm pivot axis. A single substantially horizontally disposed suspension element cushions the trailing arm movement and an improved arrangement is provided for maintaining uniform tension in the first chain.

Abstract: A thin U-shaped rear axle guide plate made of steel is detachably attached along rear end portions of rear fork arms made of light alloy and formed in a bifurcate shape. This rear axle guide plate is made longer at its lower branch portion than its upper branch portion, and a free end portion of its lower branch portion includes a projection projecting upward. The rear fork arms are provided at side surfaces opposite to the rear axle guide plate with a retaining pin projecting therefrom. Engaged with this retaining pin is a cam face of a drive chain tension adjusting plate pivotably supported by the rear axle. The adjusting plate is pressed and held by a nut which is in threaded engagement with the retaining pin. The adjusting plate may be formed with an annular rib around an opening in which the rear axle penetrates, and this annular rib may be engaged with step portions formed at the rear fork arms.

Abstract: An off the road motorcycle having a balloon tired rear wheel that is suspended by a trailing arm and which is driven by a pair of flexible transmitters, one positioned closer to the motorcycle center line than the other so as to provide clearance for the rider's feet. An arrangement is provided for adjusting the tension in each of the two chains and one of these adjusting mechanisms moves the pivot point of the trailing arm relative to the frame.

Abstract: An off the road motorcycle having a balloon tired rear wheel that is suspended by a trailing arm and which is driven by a pair of flexible transmitters, one positioned closer to the motorcycle center line than the other so as to provide clearance for the rider's feet. An arrangement is provided for adjusting the tension in each of the two chains and one of these adjusting mechanisms moves the pivot point of the trailing arm relative to the frame.

Abstract: A motorcycle converted from a chain to a belt drive has a cogged drive pulley and a cogged clutch drum drivingly connected to each other by a cogged drive belt. A mounting bracket secured in fixed position to the motorcycle by fasteners which threadably engage existing threaded apertures in a stationary part of the motorcycle provides support for an elongated foot shift lever shaft and also carries a foot peg. A foot shift lever mounted on the foot shift lever shaft and the foot peg remain in stock positions after conversion.

Abstract: A rear wheel supporting system for a motorcycle wherein an end portion of a rear axle--which is supported by the rear end portions of a rear fork--on the side opposite to the side where a rear wheel driving means is disposed, is supported so as to be movable resiliently in the longitudinal direction of the vehicle body.

Abstract: A power transmission and brake assembly for motorcycles and like vehicles wherein a chain driven rear wheel is mounted on a swing arm, is disclosed. An idle sprocket and brake assembly including a first and a second idle sprocket and a brake member such as a brake disk is mounted to rotate about a pivot axle of the swing arm. First and second endless chains interconnect the idle sprocket assembly respectively with an output shaft mounted drive sprocket and a rear wheel sprocket. A brake engaging member, such as a pair of hydraulically actuated brake calipers, is fixedly connected directly or indirectly to the swing arm. The brake engaging member frictionally engages the brake member whenever braking of the chain driven wheel is desired. As a result, a force arises during braking which tends to push the rear wheel downward towards the road surface, and thereby increases the traction of the rear wheel.

Abstract: The application discloses a parallelogram type of drive wheel suspension system for a motorcycle and employs only a single swing arm at each side of the drive wheel, with the swing arms being torsionally interconnected through the axle structure of the wheel. An adjustable torsion bar is also disclosed for shock absorption; and there is still further disclosed a chain slack take-up device comprising adjustable means for eccentrically shifting the position of a swing arm pivot axis between different fixed positions.

Abstract: The application discloses a cowling structure of thin sheet material secured to the head pipe and provided to support a front-fork steering shaft and forms part of the vehicle frame with a rear-wheel driving power unit solidly fitted to the cowling structure to serve as a strength member of the vehicle frame. Such cowling and power unit assembly enables substantial reduction in weight as well as in air resistance.

Abstract: The invention relates to motorcycles of the kind comprising a rear wheel axis carried by at least one suspension arm mounted for oscillations about a suspension travel axis, a resilient suspension member acting between a frame and the suspension arm, and a loop transmission connecting a driving pinion with a driven pinion solid with the rear axle. The technical problem is to provide such a motorcycle with greater suspension stability by under acceleration. In accordance with the invention, in the flat road running condition, the suspension travel axis is disposed in the same plane as the axes of the driving and driven pinions, in front of the driving pinion, so that transmission loop tension tends to reduce suspension excursions. The invention is applicable to chain drive and other loop drives.

Abstract: The vehicle comprises four compartments for receiving accumulator batteries. Two of these compartments are placed on each side of the frame of the vehicle in the median part of the latter. The other two compartments are disposed on each side of the rear wheel of the vehicle. The motor of the vehicle is preferably disposed under and at the rear of the saddle. Many advantages result from this arrangement which enables an increased production of this type of vehicle to be envisaged.