Abstract: An angle-adjustable engine starter structure for remote-control toy car is disclosed to include an engine, a driven gear coupled to an one-way axle bearing at the output shaft of the engine, a drive gear meshed with the driven gear and rotatable by an electric starter, a side cover covering the drive gear and the driven gear and having outside radial teeth, and an outer cover detachably fastened to the engine with screws and having radial teeth meshed with the radial teeth of the side cover to hold the side cover and the drive gear in position and for allowing adjustment of the angular position of the side cover and the drive gear relative to the driven gear after disconnection of the outer cover from the engine.

Abstract: An angle-adjustable engine starter structure for remote-control toy car is disclosed to include an engine, a driven gear coupled to an one-way axle bearing at the output shaft of the engine, a drive gear meshed with the driven gear and rotatable by an electric starter, a side cover covering the drive gear and the driven gear and having outside radial teeth, and an outer cover detachably fastened to the engine with screws and having radial teeth meshed with the radial teeth of the side cover to hold the side cover and the drive gear in position and for allowing adjustment of the angular position of the side cover and the drive gear relative to the driven gear after disconnection of the outer cover from the engine.

Abstract: A detachable starter box includes two master racks, two links coupled between the master racks for enabling the master racks to be moved between a first position where the master racks are kept apart in a parallel manner at a distance and a second position where the master racks are attached to each other, two base members detachably coupled between the master racks at the bottom side, two lock screw for locking the links in the second position, two pairs of track assemblies respectively mounted on the master racks, each track assembly having a plurality of vertical bottom mounting rods vertically adjustably fastened to vertical columns of the master racks, two carriages respectively supported on the pairs of track assemblies for supporting a remote-control toy car, each carriage having a longitudinal bottom plate pivotally coupled to its one end to one pair of track assemblies and a transverse top plate movably coupled to the longitudinal bottom plate and movable along the longitudinal sliding tracks of the

Abstract: An engine starter for remote-control toy car is disclosed to include a switch cover for protecting the power switch thereof to prevent triggering of the power switch accidentally, a power input/output connector for receiving external power supply and transmitting received external power supply to the battery thereof or for transmitting battery power supply from the battery to an external electric apparatus, a power socket for power output from the battery to the igniter of the engine of the remote-control toy car, an overload protector for breaking the circuit between the motor of the engine of the remote-control toy car and the battery upon an overload, and a connector switch for controlling electric connection between the battery and the motor of the engine starter.

Abstract: An engine starter adapted to substitute for the traction rope type engine starter of the engine of a remote-control toy car is constructed to include a casing covered with a cover plate to hold a cushion, a driven bevel gear, a driving bevel gear, a locating block and a locating cap on the inside for enabling the starter rod of an electric auxiliary starter to be coupled to the polygonal coupling hole at the driven bevel gear and operated to start the engine.

Abstract: An engine starter structure for remote-control toy car is disclosed to include a cylinder block, a coupling block mounted inside the cylinder block and connected to the output shaft of the engine of the remote-control toy car, a side cover covering the cylinder block, and a starter block, which is mounted inside the cylinder block of the engine and engaged with a rod at the coupling block and has a coupling tube with a serrated front coupling edge suspending in the center through hole of the side cover for receiving the starting rod of a small electric engine starter for rotating the coupling block and the output shaft to start the engine.

Abstract: An engine starter adapted to substitute for the traction rope type engine starter of the engine of a remote-control toy car is constructed to include a casing covered with a cover plate to hold a cushion, a driven bevel gear, a driving bevel gear, a locating block and a locating cap on the inside for enabling the starter rod of an electric auxiliary starter to be coupled to the polygonal coupling hole at the driven bevel gear and operated to start the engine.

Abstract: An engine starter includes two motors housed inside a housing, a driven gear wheel meshed between the pinions at the motor shafts of the motors, a first idle gear meshed with an internal gear at the driven gear wheel, a second idle gear coupled to the first idle gear for synchronous rotation, an output gear wheel meshed with the second idle gear, and an output shaft axially extended from the output gear wheel and selectively provided with a socket or starting bar for starting the engine of any of a variety of model vehicles.

Abstract: A dual-gearshift forward backward control mechanism installed in a remote control toy car to control forward/backward motion and high/low speed gearshift by means of power transmission through a set of gears and two idle gears and the shifting of a switching gear on the polygonal middle section of the output shaft of the mechanism between two of the gears and the effect of the centrifugal force of a swivel block at one of the gears.

Abstract: A dual-gearshift forward backward control mechanism installed in a remote control toy car to control forward/backward motion and high/low speed gearshift by means of power transmission through a set of gears and two idle gears and the shifting of a switching gear on the polygonal middle section of the output shaft of the mechanism between two of the gears and the effect of the centrifugal force of a swivel block at one of the gears.

Abstract: A starter assembly is constructed to include a starter formed of a battery-operated motor and a reduction gear set, a polygonal shaft coupled to the output shaft of the engine of an engine-operated remote-control toy car, an idle gear wheel set coupled to the polygonal shaft, the idle gear wheel set having an active idle gear wheel, and a passive idle gear wheel coupled to the polygonal shaft and meshed with the active idle gear wheel, and a driving rod adapted for connecting the reduction gear set of the starter to the active idle gear wheel of the idle gear wheel set for enabling the starter to start the engine.

Abstract: A starter assembly is constructed to include a starter formed of a battery-operated motor and a reduction gear set, a polygonal shaft coupled to the output shaft of the engine of an engine-operated remote-control toy car, an idle gear wheel set coupled to the polygonal shaft, the idle gear wheel set having an active idle gear wheel, and a passive idle gear wheel coupled to the polygonal shaft and meshed with the active idle gear wheel, and a driving rod adapted for connecting the reduction gear set of the starter to the active idle gear wheel of the idle gear wheel set for enabling the starter to start the engine.

Abstract: A remote control toy car control system is constructed to include a dual-gearshift transmission mechanism coupled to the engine of the remote control toy car for transmission output power of the engine between a high torque position and a low torque position, a forward backward transmission control mechanism coupled to the output end of the dual-gearshift transmission mechanism for controlling forward/backward movement of the toy car, and a differential assembly coupled to the forward backward transmission control mechanism for enabling the rear wheels of the toy car to turn at different speeds when going round corners.

Abstract: A three-gear position type transmission mechanism for a remote control toy car is constructed to include a driven gear wheel, a transmission shaft, three transmission gear wheels mounted on the transmission shaft, and three idle gears mounted on a center shaft and respectively meshed with the transmission gear wheels. The third transmission gear wheel is rotated with the idle gear set and the transmission shaft when said driven gear wheel rotated at a low speed. The second transmission gear is rotated with the third transmission gear and transmission shaft and the second idle gear by means of the action of a centrifugal force-activated clutch when the driven gear wheel accelerated to a medium speed. The first, second and third transmission gears are rotated with the first, second and third idle gear and the transmission shaft by means of the action of a centrifugal force-activated clutch when the driven gear wheel accelerated to a high speed.

Abstract: A remote control toy car control system is constructed to include a dual-gearshift transmission mechanism coupled to the engine of the remote control toy car for transmission output power of the engine between a high torque position and a low torque position, a forward backward transmission control mechanism coupled to the output end of the dual-gearshift transmission mechanism for controlling forward/backward movement of the toy car, and a differential assembly coupled to the forward backward transmission control mechanism for enabling the rear wheels of the toy car to turn at different speeds when going round corners.

Abstract: A forward/backward steering control mechanism installed in a toy car and coupled to a power drive and controlled by a remote controller to move the toy car forwards/backwards. The forward/backward steering control mechanism uses a remote controller-controlled server to move a movable gear on the transmission shaft of the toy car between a first transmission gear wheel, which is coupled to the power drive of the toy car, and a second transmission gear wheel, which is coupled to the first transmission gear wheel through two meshed idle gears, so as to control the direction of rotation of the transmission shaft, and to further control forward/backward movement of the toy car.

Abstract: A backward shifting and accelerating synchronous control system installed in a remote-controlled gasoline engine toy car and controlled by a remote controller to move the toy car backwards and to accelerate the speed. The system includes an accelerator control unit held in position by a torsional spring and turned to control the oil flow rate of the backward steering accelerating oil valve of the engine of the toy car, a swivel arm, the swivel arm having a first end coupled to the forward/backward steering control mechanism of the gasoline engine toy car by a first link and a second end coupled to the accelerator control unit by a second link, and a server controlled by a remote controller to turn the swivel arm, to further shift the forward/backward steering control mechanism to the backward steering mode and drive the accelerator control unit to open the backward steering accelerating oil valve of the engine of the toy car.

Abstract: A forward/backward steering control mechanism installed in a toy car and coupled to a power drive and controlled by a remote controller to move the toy car forwards/backwards. The forward/backward steering control mechanism uses a remote controller-controlled server to move a movable gear on the transmission shaft of the toy car between a first transmission gear wheel, which is coupled to the power drive of the toy car, and a second transmission gear wheel, which is coupled to the first transmission gear wheel through two meshed idle gears, so as to control the direction of rotation of the transmission shaft, and to further control forward/backward movement of the toy car.

Abstract: A dual-gearshift position transmission mechanism for remote control toy car includes an output shaft, a first transmission gear and a second transmission gear mounted on the output shaft, a two-way axle bearing supporting the output shaft in the first transmission gear, an one-way axle bearing supporting the output shaft in the second transmission gear, a clutch fixedly fastened to the output shaft, an idle gear wheel meshed between the first transmission gear and the second transmission gear, a driven gear coupled to the first transmission gear, a drive gear meshed with the driven gear, and an engine controlled to rotate the drive gear.

Abstract: A forward/backward steering control mechanism installed in a toy car and coupled to a power drive and controlled by a remote controller to move the toy car forwards/backwards. The forward/backward steering control mechanism uses a remote controller-controlled server to move a movable gear on the transmission shaft of the toy car relative to a transmission wheel, which is coupled to the power drive of the toy car, between a first position and a second position, so as to control the direction of rotation of the transmission shaft, and to further control forward/backward movement of the toy car.