Abstract: An automobile which is designed to be able to drive wheel tires by making use of a double series differential gear device 15 provided with both a first series gear constituted by a first ring gear 22A and a first drive gear 23A and a second series gear constituted by a second ring gear 22B and a second drive gear 23B, thereby, a back-up for an abnormal situation can be prepared and a high reliability is maintained, accordingly, with the use of highly reliable differential gear mechanism, an automobile in which a stable braking force is always obtained without being affected by its environmental conditions is provided.

Abstract: A transmission apparatus of an all-terrain vehicle includes: a non-stage transmission disposed in a power transmission path from an engine to drive wheels; a forward and backward movement switching device capable of switching to a forward movement position, a neutral position, or a backward movement position, the forward and backward movement switching device being disposed in the power transmission path at a position near said engine; and a shift operation device for switching forward and backward movement disposed on a handle bar at a position adjacent to a handle grip, the shift operation device and the forward and backward movement switching device being interlocked with each other.

Abstract: A modular go-kart assembly includes an acceleration assembly cooperatively working with a braking assembly for powering and stopping the go-kart assembly. The go-kart assembly further includes a central body, a front drive assembly, a rear drive assembly, and a protective cage assembly, each of which are modular for easy construction and disassembly. The go-kart assembly includes a motor having multiple power take off shafts to provide simple connections to an acceleration assembly and a braking assembly. Both the acceleration assembly and the braking assembly are controlled by one control pedal, so as to provide a safety measure for the operator, which is typically a child.

Abstract: A brake cooling system for a four-wheeled drive automobile, in which a frictional heat generated in a braking apparatus is released efficiently from a surface of a casing of the braking apparatus, and in which enough height of a body of the automobile relative to the ground level is realized. The brake cooling system includes an air discharging duct which is connected to an air discharging outlet of a belt cover covering an automatic V-belt transmission. The duct extends to a vicinity of the braking apparatus so as to supply air towards the braking apparatus. The braking apparatus is positioned in front of a final reduction gear for rear wheels, and the casing of the braking apparatus is a common casing inside which the braking apparatus and the final reduction gear are accommodated.

Abstract: A straddle-type vehicle includes a frame supporting front and rear wheels, a seat supported above the frame, and an engine having an output shaft. The engine is supported by the frame below the seat. A transmission is coupled to the output shaft. The transmission includes gears. A shift assembly is operatively connected to the engine and is displaceable over a predetermined distance upon application of a predetermined amount of force by a vehicle operator. The selective displacement of the shift assembly shifts the gears. A parking gear assembly is selectively displaceable along with the shift assembly to selectively engage one of the gears to prevent movement of the output shaft.

Abstract: An axle driving unit having a housing (21,22) for supporting a first axle (17) for mounting thereon a first driving wheel (3L), and a longer second axle (18) for mounting thereon a second driving wheel (3R). The axle driving unit is eccentrically mounted on a body frame (1) in proximity to the first driving wheel (3L). A speed change transmission (T) is disposed in an enlarged region of the housing that extends substantially perpendicularly with respect to the axles (17,18). The axle driving unit can thus be easily disposed to the side of a chute (6) of a rear-discharge type lawn tractor.

Abstract: A front transaxle device provided to a multi-wheel-driving vehicle comprises an input shaft for receiving power, a pair of left and right front axles supported in the front transaxle device, a differential connecting the left and right front axles differentially, a pinion shaft, a clutch device which engages the pinion shaft with the input shaft and disengages, a rotary object which intervenes between the differential and the pinion shaft, and a brake device which brakes the rotary object. The brake device comprises a piston which can be moved hydraulically, friction objects which engage with each other by the force of the piston, and a mechanism which acts so as to make a constant stroke of the piston from a position when the piston starts moving to a position when the friction objects start engaging with each other regardless of abrasive reduction of the friction objects.

Abstract: A braking system for a small utility vehicle, such as a riding lawn mower or lawn tractor, comprising dual braking mechanisms each mounted on the transaxle of the vehicle proximal to the location at which the axles extend from the transaxle, which stop the vehicle by engaging a pair of brake discs each keyed to a respective one of the axles, where each of the braking mechanisms are actuated by the rotation of an attached brake arm having a cam surface that presses at least one friction puck against each respective brake disc.

Abstract: A hydraulic motor (2) with a braking device (8), is acted upon by means of a control fluid via a brake release line (6). The brake release line (6) is used to allow a continuous flushing flow of control fluid through the hydraulic motor at the same time as the release of the brake. The braking device (8) is connected to the casing of the hydraulic motor (2). An outlet opening (12) of the hydraulic motor (2) leads via a leakage-oil line (13) to the tank for the control fluid. In a hydraulic travel drive with a closed hydraulic circuit, the brake release line (6) can be connected to the shut-off device (4) for the servo adjustment system of the variable-displacement pump (1), and the leakage-oil line (13) of the hydraulic motor (2) can lead to the tank for the entire hydraulic fluid in the system.

Abstract: The swing arm device is divided into an arm body and a rear housing body. The arm body has a front end pivot shaft, a drive shaft case, a leg portion and a brake case provided behind the drive shaft case and is an integral aluminum casting. The rear housing body has a gear case, a left case portion and a rear axle case and is an integral aluminum casting. The dividing plane is almost perpendicular to the shaft axis of a drive shaft. The arm body and the rear housing body are separatably fastened together with a bolt. Therefore, in the swing arm device, a small number of parts are required, a welding work takes less labor and time, a necessary rigidity can easily be kept and an assembling work can easily be carried out.

Abstract: A parking mechanism for an automatic transmission includes a manual control shaft rotationally supported by a transmission housing, the manual control shaft cooperating with a shift lever, a detent plate mounted on the manual control shaft, an annulus gear formed on a transfer gear of the transmission, and a sprag interposed between the detent plate and the annulus gear, the sprag pivoting a fulcrum shaft which is fixed to the transmission housing.

Abstract: In a wheel drive with a radial-piston motor (5) and a planet gear (4) a wheel hub (3) being placed on a wheel hub support (1) by means of wheel bearings (10). The wheel hub support (1) can be joined to a transmission connector (4) in a single piece and is fastened to a vehicle chassis support. A dog tooth brake (7) is located on the side of the wheel drive facing the vehicle and serves as parking brake. In a cover (2) for a hydraulic connection of the radial-piston motor (5) are integrated valves for control of the radial-piston motor (5) and of the brake (7). Short lines and delay times occur as result. The cover (2) contains inter alia a brake valve (58) for a hydraulic brake function and a displacement change-over valve (64) enabling certain cylinders (70) of the radial-piston motor (5) to be switched on or off.

Abstract: An axle for a vehicle includes an elongated shaft having a first end, a second end and an intermediate portion being disposed therebetween. The elongated shaft includes a predetermined diameter extending over a portion thereof. The first end of the elongated shaft being designed for mounting a first wheel thereon. The second end of the elongated shaft being designed for mounting a second wheel thereon. The intermediate portion includes a flange extending a predetermined distance along the length of the axle, the flange being designed for mounting and positioning a drive gear assembly and a brake drum assembly relative to each other with the flange being disposed therebetween. The flange is provided as an enlarged diameter section having a diameter greater than the predetermined diameter extending over a portion thereof and is displaced to one side relative to a center section of the elongated shaft.

Abstract: A traction control system combines engine output power limiting with a single point brake for controlling wheel slip. The brake is preferably connected to the engine to reduce torque requirements and avoid drive line shock. One friction member of the preferred brake is coupled to the engine block, and another friction member member is coupled together with a drive pulley to the engine output shaft. An electromagnetic actuator moves the two friction members into engagement with each other within a hollow interior of the drive pulley.

Abstract: A traction control system combines engine output power limiting with a single point brake for controlling wheel slip. The brake is preferably connected to the engine to reduce torque requirements and avoid drive line shock. One friction member of the preferred brake is coupled to the engine block, and another friction member member is coupled together with a drive pulley to the engine output shaft. An electromagnetic actuator moves the two friction members into engagement with each other within a hollow interior of the drive pulley.

Abstract: The invention relates to a differential-brake group for vehicle driving axles. On two supports (31) of a frame (3) the box (5) of a transmission (4) is rotatably mounted, with rotation freedom, the transmission (4) being predisposed for the transmission of drive to two half-shafts (2). Two braking devices (6) are associated to the walls (31), one for each half-shaft (2), which braking devices (6) form a single block with a sort of cover (32) peripherally equipped with a flange (33). In a seating made in the cover (32) the end part (8) of the drive input shaft into the differential is supported by use of bearings. The whole group is conformed in order to be insertable through an aperture (7) in an axle (1) and in order to be fixable to the axle (1) by use of a flange (3) .

Abstract: A foot pedal operated control positioning device for a continuously variable transmission wherein a movable bushing is aligned with a preset stop in order to set the transmission into a known neutral condition.

Abstract: A vehicle comprises a main frame, a pair of front wheels and at least a rear wheel operably associated with the frame for engagement with the ground, a steering mechanism, a seat associated with the frame for an operator, an engine including a drive shaft, a device for mounting the engine to the main frame, and a torque converter operably associated with the drive shaft and the rear wheel. The mounting device has a first position whereby the drive shaft is in driving engagement with the torque converter and a second position whereby the drive shaft is in disengagement from the torque converter. The mounting device includes a brake mechanism for stopping the vehicle and having operative and non-operative positions such that when the brake mechanism is in the non-operative position, the drive shaft is in the first position and when the brake mechanism is in the operative position, the drive shaft is in the second position.