Abstract: An anti-tip device for an all-terrain vehicle (ATV) having a T-shaped first support member formed by a first section and a second section with opposing left and right ends. A trailing end of the first section mounts between the ends of the second section. A leading end of the first section removably connects to the rear end of the ATV. A ground contact member is located on the T-shaped first support member and includes a bottom that is spaced away from the ground surface when front and rear wheels of the ATV are in contact with the ground surface. The ground contact member contacts the ground surface when the front wheel rotates about the rear wheel and away from the ground surface in order to prevent rotation that would cause the front wheel of the ATV to tip backwards over the rear wheel.

Abstract: On a rear part side of a revolving frame (5) constituting an upper revolving structure (3), a counterweight (7) holding weight balance with a working mechanism (4) is provided, and on the front side of the counterweight (7), an engine (9) and an exhaust gas post-treatment device (21) for applying purification treatment to an exhaust gas of the engine (9) are provided. The exhaust gas post-treatment device (21) is configured by connecting a PM trapping filter device (22) and an NOx purifying device (23), and the PM trapping filter device (22) is mounted on the engine (9), while the NOx purifying device (23) is mounted on the counterweight (7). When the counterweight (7) is to be removed from the revolving frame (5), the NOx purifying device (23) is supported by a treatment device support bracket (26) mounted on the engine (9). As a result, the counterweight (7) can be removed while the PM trapping filter device (22) and the NOx purifying device (23) are connected.

Abstract: A collapsible, inexpensive and lightweight vehicle powered by an engine for movement over frozen bodies of water. In one embodiment, an internal combustion engine, a kayak and a drive system assembly comprising detachable studded wheels is detachably connected to a collapsible chassis. The vehicle provides transport across frozen bodies of water and the kayak provides buoyancy sufficient to support the vehicle and a passenger should the ice collapse underneath the vehicle. The vehicle thus provides fast, convenient and safe transport across frozen bodies of water.

Abstract: A drivetrain system for a mobile machine is disclosed. The drivetrain system may have an engine, a generator driven by the engine to generate electric power, and a traction motor driven by the electric power from the generator. The drivetrain system may also have a controller in communication with the engine, the generator, and the traction motor. The controller may be configured to determine a change in loading on the traction motor, and determine a change in fueling of the engine that will be required to accommodate the change in loading on the traction motor. The controller may also be configured to selectively rate-limit the change in fueling, and implement the rate-limited change in fueling prior to transmission of the change in loading on the traction motor to the engine.

Abstract: When a solid such as a utensil or a structure thing moves, stability is high, it is suitable for the indoor use, furthermore to provide the caster which can use the foot part of robot walking by the two pairs. A caster is comprised of a rocking shaft which sets up a wheel, a stably supporting leg, a slidably stabilizing plate and wheel, a drive device which rocks a rocking shaft and change an angle of a slidably stabilizing plate, the detection device which detects a change in the angle and the detection devices which detect a change in the increased weight. And stability is higher than the existent caster, the caster with sled for getting over obstacles which can brake without controlling the movement of the wheel of the existent caster and the axle which holds a wheel by the mechanism such as the brake for braking, in other words, a caster for the robot can be made.

Abstract: There is a self-propelled mobile sled which can be maneuvered over various terrains such as earth, slopes, hills, rocks, snow, and ice. The sled, in various modifications, can be used as a toy; as a rescue vehicle; and an observation vehicle. The size of the sled can vary to adjust to the desired task.

Abstract: A small electric vehicle is provided including a frame formed of a plurality of tubular elements, a tubular element connected to the front of the frame and supporting a handle bar and steerable front wheel or runner, a pair of driven rear wheels connected to the rear of the frame, a board fixed to the frame between the rear wheels for supporting a standing occupant, a switch having a contact pin protruding from an upper surface of the board, an electric motor connected to the rear wheels, and a microprocessor connected to the motor, the switch, a battery, a battery charger and a knob on the handle bar for controlling the motor in response to rotation of the knob.

Abstract: A snowmobile including a body a pair of rear wheels with tires a motor for driving the rear wheel, an axis connected to a handle originally for a front wheel, and skid member mounted on the axis. The skid member comprises a skid, extending in the longitudinal direction of the body, bent upward in its front part, support members protuberantly provided on the upper surface of the skid, and rotatably connected to the axis and at least one fin, protuberantly provided on the under surface of the skid, extending front to rear from a position beneath the above mentioned support member, located at the substantial center in its longitudinal direction of the skid, and the length of the fin is set in a range of 40 to 60% of the length of the skid.

Abstract: A single ski is disclosed for central mounting under a four wheel vehicle, preferably a vehicle having four wheel drive. This single ski is mounted to the underside of the vehicle and includes a jacking mechanism for raising and lowering the ski in parallel relation with respect to the snow covered ground. The single ski extends longitudinally of the vehicle, centrally between the wheels on the left side of the vehicle and the wheels on the right side of the vehicle. The length and width of the ski is sufficient to remove substantially equal weight from both the front and rear tires of the vehicle. The surface area of the ski is sufficient to maintain the depth of the ski at a level no lower than the lowest point of the tires in soft or powder snow. In operation, the ski is lowered a sufficient distance to remove weight evenly from the wheels of the vehicle to an extent that the tires no longer accumulate a blocking drift of snow in their path of advance.

Abstract: The mount has a metal stirrup (2) to be fixed to the vehicle base (1), a metal hanger stirrup (12) connected to the exhaust system and a spring element (4) which connects the two stirrups and is made of an elastomer material. The spring element (4), approximately in its center, has an annular, inner mount part (5) and at a distance concentrically thereto an approximately annular mount part (6) and also spring struts (7) which connect the two mount parts (5,6) and only partially fill the intermediate space. The inner mount part (5) is provided with a aperture (10) for accommodating the hanger stirrup (12). The metal stirrup (2) is provided such that it at least partially encloses the outer mount part (6) of the spring element (4).

Abstract: Disclosed is a vehicle which is constructed to include a pair of steerable right and left front skis suspended from a front portion of a frame. Further included are a pair of right drive wheels and a pair of left drive wheels which are suspended from a rear portion of said frame and adapted to be driven by said engine. Each of the drive wheels has a wide, low-pressure tire. The front ski and rearwardly located driving wheels on each side of the frame are aligned longitudinally to achieve a base having substantially uniform width from front to back.

Abstract: Structurally integrated equipment is selectively, individually or conjointly detachably attachable to a three-wheeled vehicle for preventing rearward tipover, carrying cargo, rendering the vehicle waterborne, enhancing travel over snow or providing power takeoff. Supports extending from the framework of the vehicle are adapted to receive and retain with quick disconnect fittings frame elements of the equipment. The frame elements may be adjustable to accommodate load variations and variances of the surface traversed.

Abstract: The specification discloses a conversion system for a pedal operated cycle to provide a pedal operated cycle for use on ice and/or a motor operated cycle for use on snow, both with improved rear wheel apparatus, wherein a regular bicycle can be converted to a vehicle having a forward ski mechanism and an integral rear wheel and rearward ski mechanism. The combination rear wheel and rearward ski mechanism comprises a pair of brackets mounted to the frame in place of the rear wheel, which, in turn, has been remounted within said bracket. To the brackets there are attached, by way of braces, a pair of winter use skis.