Abstract: For the purpose of providing a direct current power generator accommodating a bicycle hub or a motor for auxiliary power, the structure of which is simple, the weight of which is light and which may generate sufficient electric power and also be applicable to an auxiliary to drive a bicycle without wasting excess energy, a wheel equipped with the direct current power generator accommodating a bicycle hub or the motor for auxiliary power, a bicycle equipped with the direct current power generator accommodating a bicycle hub or the motor for auxiliary power and the direct current power generator accommodating a bicycle hub, a direct current power generator accommodating a bicycle hub or a motor for auxiliary power comprising a hub connected to a bicycle wheel through a spoke, a rotational production part arranged in the hub, at least one or more motor fixed to the center of the hub and engaged with the above mentioned rotational driving part whereby charging and driving may be performed, a rechargeable battery

Abstract: A drive controller has means for detecting that a ship body lands on the water, and a function of allowing a drive upon detection of the landing and of inhibiting the drive upon non-detection of the landing.

Abstract: A running toy, wherein four running wheels (14) mounted detachably on the axles of a running toy main body (10) are provided with two axle inserting holes having those profiles formed so that they match the cross-sections of angular shaft of these axles, respectively, one of these axle inserting holes is formed at the center of running wheel (14), and the other axle inserting hole is formed at a position eccentric from the center of the running wheel (14) so as to obtain an irregular running mode.

Abstract: In one embodiment, a running toy is provided having a rear-end portion of a fore undercarriage with front wheels pivotally coupled with a fore-end portion of a rear undercarriage with rear wheels. Further, a fore toy body is attached to the fore undercarriage, and a rear toy body is attached to the rear undercarriage, where the fore toy body and rear toy body are sustained such that these car bodies move parallel toward or away from each other, and where a rear-wheel driving mechanism for driving at least either the front wheels or the rear wheels is disclosed herein.

Abstract: The present invention provides a toy comprising: a rotator which is capable of exhibiting a gyro effect; a driver connected to the rotator for rotating the rotator to allow the rotator to exhibit the gyro effect; and a device capable of causing the toy falling down or tilting to show a spin or a rotation in the same direction as a rotation of the rotator so that a rotational axis of the rotator rotates or swings to draw a cone-shaped locus thereof, thereby to reduce swing motion of the rotational axis or to narrow a spread of the cone-shaped locus, whereby the rotational axis of the rotator is forced and moved onto a center and vertical axis, and the toy comes stand right-up and stabilized in a standing right-up position.

Abstract: A rolling mechanism for a radio-controlled toy car causes a rolling motion of the radio-controlled toy car around a longitudinal direction along which the radio-controlled toy car travels. The rolling mechanism includes a rotation arm, which extends to have a component orthogonal to the longitudinal direction. The rotation arm has a free end and a pivotally fixed end, around which the rotation arm rotates, so that the free end defines a circle in a plane perpendicular to the longitudinal direction, where the circle completely encompasses the radio-controlled toy car in view of the perpendicular plane. A rotation mechanism is provided to be mechanically connected to the pivotally fixed end for forcibly rotating the rotation arm around the pivotally fixed end so as to roll the radio-controlled toy car around the longitudinal direction.

Abstract: A jumping mechanism for a radio-controlled toy vehicle with a slender opening provided in a chassis of a toy vehicle; a rotary shaft provided on the chassis in a lateral direction, vertical to a longitudinal direction of the opening; a rotation mechanism mechanically connected to a first portion of the rotary shaft for rotating the rotary shaft; and at least a rotation arm being mechanically connected to a second portion of the rotary shaft and extending in a vertical direction in relation to the axis of the rotary shaft and having a rotation center positioned over the opening so that the rotation arm rotates in a plane vertical to the axis of the rotary shaft and so that, when the rotation arm is directed downward it passes through the opening of the chassis wherein a top portion of the rotation arm is positioned below the bottom level of the toy vehicle.

Abstract: The present invention provides a steering system provided on a chassis of a toy car comprising the following elements. A rotatable steering plate is rotatably provided on the chassis so as to rotate in a horizontal plane by a predetermined maximum angle toward left and right directions from a longitudinal center axis of the chassis. A spring member is provided on the chassis and mechanically connected to the rotatable steering plate at a position spaced apart from the longitudinal center axis of the chassis for forcing the rotatable steering plate to rotate and tilt toward one of the left and right directions from the longitudinal center axis of the chassis. A steering motor is provided on the chassis for generating a rotation power and the steering motor having a motor shaft. A rotary shaft is provided on the chassis. A transmission system mechanically connects the motor shaft and the rotary shaft for transmitting the rotation power generated by the steering motor into the rotary shaft.

Abstract: The invention provides A toy vehicle comprising a body being divided into two parts on front and rear sides, a chassis being divided into two parts on front and rear sides on which the front and rear side body parts are mounted respectively, the front and rear side chassis parts being so coupled with each other as to bend those at its coupling portion in upward and downward directions, driving mechanisms for coupling front and rear tires on left side with front and rear tires on right side respectively which are provided to the chassis, driving motors being engaged with the left and right side driving mechanisms respectively and a controller for controlling the driving motors to allow the left side front and rear tires and the right side front and rear tires to rotate mutually in the same direction or in opposite directions.

Abstract: An improved radio-controlled track-driven vehicle comprises an innovative belt drive structure in which the rear wheels engage with the belt in positive drive, and the front wheels engage with the belt in frictional drive. According to one embodiment of the invention, the drive belt has taller central teeth that are received within a central groove of the front and rear wheels, and shorter lateral teeth that mesh with complementary toothed regions of the rear wheels and frictionally contact corresponding smooth cylindrical surfaces of the front driven wheels. In another embodiment of the invention, the belt teeth extend transversely across most of the width of the belt, with alternate teeth having disposed thereon a taller central tooth to be received within the wheel grooves.

Abstract: The invention provides a novel toy vehicle comprising a body, a chassis at least having an upper surface and a rolling oscillation generating unit provided on the upper surface of the chassis for permitting the body to exhibit a rolling oscillation motion around a horizontal axis. The rolling oscillation generating unit comprises a plate mounted to an internal surface of the body, a plurality of connection rods for mechanically and movably connecting the plate to the upper surface of the chassis, and at least a pushing up member mechanically connected to the chassis and having at least two contacting portions for contacting on a flat bottom surface of the plate at least at its two symmetrical positions spaced along a vertical direction to the horizontal axis so as to permit either of the two contacting portions to pushing up the bottom surface of the plate.

Abstract: A sound effect device for radio controllable toy vehicles is capable of producing various realistic sounds such as a klaxon horn, an emergency braking sound, a small braking sound, and a tire-squealing sound upon sharp turning. The sounds are generated depending upon the driving condition of the toy vehicle, and the device is further capable of producing realistic sounds that are readily modified various types of toy vehicles. The device may have an engine sound on/off switch and a starting switch that causes production of a first engine sound which is thereafter varied based on the driving condition of the vehicle. Further, the device may generate certain sounds only upon simultaneous detection of two signals controlling the movements of the vehicle.

Abstract: A battery receptacle in which either of individual dry batteries and individual or packaged nickel-cadmium batteries can be received to be used as a power source for a radio controllable motor toy so that interchangeability of batteries used in the motor toys and space saving can be realized.

Abstract: A direction-converting device for a remote-controlled toy is disclosed wherein a rotor shaft is supported between the opposite contact faces of coil bobbins of an equally divided electromagnetic coil, said each bobbin accommodating a rotor magnet rotatably in a hollow inside and being wound in parallel with the rotor shaft in multiple turns with coils to form an electromagnetic coil assembly, and said rotor shaft at its one end communicating through a crank with a controlling element for shifting the direction so as to allow the electromagnetic coil to control the magnetic polarity of the rotor magnet by means of a remote control system.

Abstract: An apparatus for changing the running track of a toy car racer in a racing toy, in which a motor-driven running body runs on a base having a plurality of guide tracks in parallel. The body has a guide element engageable with the guide track and the running body is provided with an electromagnetic coil for engaging and disengaging the guide element with the guide track. The electromagnetic coil at its pole portions is provided with yokes each energizable to a different polarity and protruding in parallel to a predetermined direction to form a pair of magnetic pole portions, opposite to which are swingably arranged linkage for controlling wheel-steerage, including a magnet at its middle portion adjacent to the magnetic pole portions.

Abstract: An apparatus for transferring a running track of a toy car racer in a racing toy is disclosed, in which a motor-driven running body runs on a base having a plurality of guide tracks in parallel spaced apart from each other and is provided with a guide element engageable with the guide track, an electromagnetic coil for engaging and disengaging the guide element with the guide track, and a rotary magnet for controlling wheel-steerage by means of its polarity determined by energizing the electromagnetic coil.

Abstract: A power unit for a battery-driven toy containing a battery power source for energizing a driving means through a power switch and a controlling circuit is disclosed, in which the controlling circuit comprises a circuit element for controlling said driving means and its movable operative contact, said circuit element being provided with a thermo-switch and a reset circuit for setting said movable operative contact into an OFF position through said thermo-switch.

Abstract: A disguisable toy car is disclosed, which in a part of the car body is provided with an opening for mounting a rotatable disguising mechanism which is preferably formed with a rotatable element having two disguising faces, one of which is flat and normally covers the opening so as to blend-in with the contour of the car body, while the other face extends outwardly of the car body and includes a patrol-lighting fixture and being selectively positionable within the opening for altering the appearance of the car body.