Abstract: A controller for a hydraulically operated braking system incorporates a flywheel apparatus arranged to sense the onset of a wheel-locking condition and to effectively control the operation of the braking system so as to prevent the occurrence of the wheel-locking condition. The flywheel is rotatably, and axially movably, supported with respect to an output shaft of the system in spaced relation therefrom so as to eliminate the effects of friction forces on system operation.

Abstract: An antilock brake device for vehicles including a sensor for sensing the possibility of wheel lock during braking by means of overrunning rotation of a flywheel interlocked with the wheel to produce an output and a hydraulic controller for reducing the braking hydraulic pressure of the wheel brake upon reception of the output from the sensor and increasing the braking hydraulic pressure when the output from the sensor is eliminated. The flywheel and a transmission for transmitting the rotation of the wheel to the flywheel are arranged in the hollow portion of a hub of the wheel. Transmission mechanisms are employed to separate components within the hub to further reduce the overall size of the system. A variety of embodiments also disclose cooperation between front and rear brakes to improve braking response and efficiency.

Abstract: A brake device having an antilock controller comprising a hydraulic pump which is reciprocated through a cam by an output shaft responsive to rotation of a wheel to produce a hydraulic pressure for controlling a braking pressure of the wheel, and a sensor which senses, by the overrunning rotation of a flywheel, the situation that the locking of the wheel is restored when the wheel is braked, to produce a signal, wherein the cam of the hydraulic pump and the flywheel of the sensor are arranged adjacent to each other on the output shaft within a hub of the wheel.

Abstract: In a vehicle having a wheel suspended on a body through a suspension device with a damping facility, a sensor having a flywheel and detecting a wheel angular deceleration is supported on the stationary supporting structure of the suspension device which consists of a vehicle body side member and a vehicle body, and a transmission device for connection between the wheel and a drive shaft leading to the sensor is so constructed as to absorb the vertical vibration transmitted from the wheel.

Abstract: A braking device for a vehicle comprises a brake for applying brake power to a wheel and an antilock control unit having an inertia type wheel angular deceleration sensor built therein which is driven by the wheel, the antilock control unit controlling the brake hydraulic pressure for the brake in accordance with the output of the sensor. In this braking device, the brake and the antilock control unit are disposed such that they stand opposite each other on the right and left sides of the wheel.

Abstract: An angular deceleration sensor adapted for sensing by the overrunning of a flywheel an angular deceleration in excess of a predetermined value of a detected subject which rotates in a fixed direction. A clutch is interposed between the flywheel and a drive shaft for transmitting the rotation of the subject to the flywheel, the clutch being in the form of a unidirectional clutch which assumes a locked state when the drive shaft is in a drive position with respect to the flywheel.

Abstract: A brake device provided with an antilock controller which includes a sensor for sensing by the overrunning of a flywheel an abrupt deceleration of a wheel of the vehicle resulting from the braking action of a brake device, a modulator for controlling a braking pressure fed to the brake device in accordance with a signal from the sensor and a hydraulic pump driven by the wheel. The sensor and a transmission device are adapted to operatively connect the flywheel of the sensor to the wheel are housed in a closed chamber defined between a pair of hub end walls which are supported on an axle through bearings, and the flywheel is supported on the axle. The hydraulic pump, the modulator and a transmission device operatively connecting the hydraulic pump to the wheel are arranged externally of the closed chamber.

Abstract: A brake device for vehicles applying brake power to a wheel through actuation of a disc brake by an output hydraulic pressure from a master cylinder, wherein an inertia type wheel angular deceleration sensor driven by the wheel through a transmission device is incorporated in an antilock control unit adapted to control the output hydraulic pressure of the master cylinder, the disc brake and the transmission device are enclosed in an annular recess open to one side of the wheel, and a caliper of the brake and tne antilock control unit are supported on a fixed panel disposed so as to close an opening of the annular recess.

Abstract: In a motorcycle having a rear suspension located between a body frame and a rear wheel-supporting member supported on the body frame for vertically rocking movement to rotatably support a rear wheel, the rear suspension is disposed below and along the rear wheel-supporting member to increase the minimum height of the body from the road surface for the purpose of lowering the center of gravity thereof and locate a seat at a lower position.

Abstract: A wheel angular acceleration sensor for a vehicle anti-lock control device wherein the tendency of the wheel going toward a locked state resulting from an excessively great braking force of the brake applied thereto is detected by overrun rotation of the flywheel and the overrun rotation is converted into an axial displacement of the flywheel by the cam mechanism to output it as a signal for controlling the braking force, the sensor having an aligning mechanism interposed between an output shaft rotated in association with the wheel and the cam mechanism as well as a friction clutch plate for allowing the overrun rotation of the flywheel, whereby when a deflected load is exerted on the cam mechanism or the friction clutch plate due to an error in machining or the like at the time of occurrence of a thrust at the cam mechanism, the aligning mechanism works to overcome the deflected load, allowing the flywheel to displace smoothly and accurately in the axial direction.

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 anti-lock brake system employing an anti-lock control unit between a brake master cylinder and a front wheel brake. The brake system is applied to a damped telescopic front fork and includes an anti-dive device which operates to increase damping force upon application of braking force to the front brake. In a first embodiment, the anti-dive device operates from hydraulic pressure upstream of the anti-lock brake unit. In a second embodiment, reaction force to braking of the wheel is sensed and employed to actuate the anti-dive device.

Abstract: A braking device for a vehicle comprises a brake for applying brake power to a wheel and an anti-lock control unit having an inertia type wheel angular deceleration sensor built therein which is driven by the wheel, the antilock control unit controlling the brake hydraulic pressure for the brake in accordance with the output of the sensor. In this braking device, the brake and the antilock control unit are disposed such that they stand opposite each other on the right and left sides of the wheel.

Abstract: A braking system employing an antilock device which has two brake actuating mechanisms responsive to input hydraulic pressure through the antilock device. Valves are provided in the control mechanism for a second brake actuating mechanism which provide hydraulic cylinders for controlling the brake mechanism. The hydraulic cylinder of such a valve is vented until the controlling hydraulic system reaches a minimum pressure level. This pressure level is determined to be above that of the residual pressure level of the antilock mechanism. In a first embodiment, direct hydraulic control is provided to the multiple brake actuating mechanisms. In the second preferred embodiment, the reaction force to braking of the first brake actuating mechanism controls the brake pressure through a second master cylinder to the second brake actuating mechanism.

Abstract: An antilock brake device for vehicles having a sensor which senses a possibility of locking of a wheel, during braking of the wheel, by an overruning of a flywheel which generates a release signal. A hydraulic pump having a cam shaft rotated in association with the wheel generates hydraulic pressure for antilock control. A gear unit as a transmission for transmitting rotation of the wheel at an increased speed to the flywheel comprises an input member located within and connected to a hub of the wheel, a ring gear formed on the input member, a planetary gear meshed with the ring gear and a sun gear meshed with the planetary gear. The planetary gear is secured to a cam shaft supported on a stationary casing. The flywheel of the sensor disposed within the hub is connected to the gear unit through a drive shaft. The sensor is supported on an axle extending through the hub.

Abstract: A brake device for vehicles comprises a master cylinder, a wheel brake adapted to be operated by the output hydraulic pressure from the master cylinder to apply a braking force to a wheel, and an antilock control unit, having therein an inertia type wheel angular deceleration sensor driven by the wheel through a transmission device and adapted for controlling the output hydraulic pressure from the master cylinder in accordance with the output of the sensor, the antilock control unit being carried on the support system for the wheel. Defined on one side of the wheel is a recess which is concave toward the other side of the wheel from the central rotational plane of the rim of the wheel, and the antilock control unit and transmission device are disposed in the recess.

Abstract: A spoke plate is made from a lamination of an odd number of carbon fiber fabric layers having fibers extending in both horizontal and longitudinal directions and alternating with an even number of fiber layers having fibers extending only in the longitudinal direction.

Abstract: A rear suspension system in a motorcycle having a body frame and a rear wheel. The rear suspension system comprises a rear wheel supporting member swingably pivoted at its front end to the body frame and pivotably supporting at its rear end the rear wheel, a damper pivoted to the body frame, and a progressive link mechanism having first and second pivot points pivoted to the damper and the rear wheel supporting member, respectively. The progressive link mechanism progressively transmits the movement of the second pivot point to the first pivot point, and is disposed substantially above the rear wheel supporting member. Auxiliary devices such as a muffler and a stand can be effectively disposed below the rear wheel supporting member and at the same time a required bank angle is attained.

Abstract: A wheel rim is formed by separately forming rim halves of fiber sheets arrayed in different directions so that the fibers are isotropic around the circumference of the rim, and by welding the halves together with a ring formed of carbon fibers.