Abstract: An electric powered vehicle which is powered by an electric motor via a battery, includes a front frame which extends diagonally downward toward the rear of the vehicle from the head pipe, an intermediate frame which is bent toward the rear of the vehicle at the bottom end of the front frame and which is substantially horizontally extending toward the rear of the vehicle, and a rear frame which extends from the intermediate frame diagonally upward toward the rear of the vehicle. A front portion of the intermediate frame includes a partition plate extending diagonally upward toward the rear. The battery is retained within the intermediate frame, and restrained from motion in the longitudinal direction, by the partition plate and the rear frame. This structure provides an electric powered vehicle whose battery is effectively and removably mountable on the body frame in a limited space thereof.

Abstract: To realize a light steering handle operation similar to that of a real bicycle, and to obtain an appearance similar to that of a real bicycle. A bicycle simulation system has a turnable steering handle, a left-right pair of pedals, a frame for turnably supporting the steering handle and the pedals, a monitor for displaying a scenery according to the simulated running velocity required by a first speed pickup, a controller supplying sensor signals to a main control unit which controls the monitor. The controller is provided on front forks that function as a front stand.

Abstract: A bicycle simulation system that can be easily transported includes a frame, a steering handle operated by a rider, a left-right pair of pedals to be operated by the rider for rotating a flywheel, two front forks for supporting the head tube and a rotatable rear wheel. The rear wheel is grounded on a floor so that it supports the frame, together with the front forks. The bicycle simulation system ensures that the operations of a brake lever are accompanied with the same feeling as that in operating a real bicycle. A brake lever is operated by the rider with a drum brake for frictionally braking the rotation of the flywheel in conjunction with the brake lever. A brake wire extending from the brake lever and is branched into two brake wires, one connected to the drum brake, and the other connected to the rotational sensor.

Abstract: A two-wheeled vehicle simulation apparatus includes a vehicle simulator having a saddle which the driver sits on and handlebars operated by the driver, a mat switch laid on a floor in the vicinity of the vehicle simulator, and a monitor displaying information and images based on signals obtained from pedals, the handlebars, and the mat switch. Two or more of the mat switches are provided to independently sense respective placement of one or both feet on the floor by the driver. When two detectors substantially alternately detect placement of the driver's right and left feet on the floor, an image of a two-wheeled vehicle and a person walking the two-wheeled vehicle is displayed on the monitor. The vehicle simulator permits simulation of the action of a driver putting his/her foot on a road surface to achieve more realistic simulation.

Abstract: A bicycle simulation apparatus includes: a steering angle sensor which detects a steering angle of handlebars; a visual display which displays scenes based on a simulated travel speed and the steering angle of the handlebars; and a crank position detector which detects rotational positions of cranks. The crank position detector includes two detected protrusions on a crankshaft and left and right approach sensors. A warning section of a main controller issues warnings if it is determined that the steering angle exceeds a predetermined angle to the left or right during simulated traveling, and if it is also determined by the crank position detector that the crank is directed downward during a sharp turning operation of the handlebars. The bicycle simulation apparatus enables a more realistic driving simulation in consideration of rotational positions of simulator pedals and cranks.

Abstract: A two-wheeled vehicle simulation apparatus includes a vehicle simulator having a saddle which the driver sits on and handlebars operated by the driver, a mat switch laid on a floor in the vicinity of the vehicle simulator, and a monitor displaying information and images based on signals obtained from pedals, the handlebars, and the mat switch. Two or more of the mat switches are provided to independently sense respective placement of one or both feet on the floor by the driver. When two detectors substantially alternately detect placement of the driver's right and left feet on the floor, an image of a two-wheeled vehicle and a person walking the two-wheeled vehicle is displayed on the monitor. The vehicle simulator permits simulation of the action of a driver putting his/her foot on a road surface to achieve more realistic simulation.

Abstract: To simulatively implement a retreating movement of a bicycle in a state wherein a rider dismounts from the bicycle. A simulated bicycle includes a steering angle sensor for detecting a steering angle of a handlebar, a momentary type retreating switch provided at a rear lower portion of a saddle, and a monitor for displaying a scene based on a simulated traveling speed, the steering angle and a signal of the retreating switch. When the retreating switch is operated, an image of a bicycle and a person who operates the bicycle to retreat is displayed on the monitor. The retreating switch is operated through a level so that the rider having dismounted from the bicycle can readily manually operate the same.

Abstract: An electric powered vehicle which is powered by an electric motor via a battery, includes a front frame which extends diagonally downward toward the rear of the vehicle from the head pipe, an intermediate frame which is bent toward the rear of the vehicle at the bottom end of the front frame and which is substantially horizontally extending toward the rear of the vehicle, and a rear frame which extends from the intermediate frame diagonally upward toward the rear of the vehicle. A front portion of the intermediate frame includes a partition plate extending diagonally upward toward the rear. The battery is retained within the intermediate frame, and restrained from motion in the longitudinal direction, by the partition plate and the rear frame. This structure provides an electric powered vehicle whose battery is effectively and removably mountable on the body frame in a limited space thereof.

Abstract: A motorcycle with a seat frame and seat attached to a seat post. The seat frame is covered with the seat as viewed from above and is structured so as to hold an article in an exposed state thereon to form an article accommodating space below the seat. The rear wheel of the motorcycle is driven by a motor to which power is supplied from a battery. The voltage of the battery is converted by a charging and voltage conversion section to supply power to electrical equipment. The charging and voltage conversion section is attached in an exposed state to a vehicle body frame. A battery for supplying power to a motor is provided with a charging and voltage conversion apparatus for charging the battery. A charging cable for energizing the charging and voltage conversion apparatus is disposed in a hollow portion of a vehicle body frame.