Toy vehicle

Claim 2

A toy vehicle comprising a vehicle frame, at least one drive wheel and at least one steering wheel mounted on said frame, said steering wheel being mounted for pivotal steering movement thereon between right and left hand steering positions; a reversible rotary drive motor mounted in said frame and having a rotary output whose opposite directions of rotation in response to the drive of said motor correspond respectively to said steering positions; transmission means in said frame drivingly engaged with said motor for driving said drive wheel in a forward direction regardless of the direction of rotation of said rotary output element; and steering means operatively engaged with said rotary output of the motor and responsive to changes in the direction of rotation of said output for immediately rotating said steering wheel from any instantaneous steering position thereof in a continuous uninterrupted swinging motion towards the steering position corresponding to the direction of rotation of said rotary output upon a reversal of direction of rotation of the motor.

Claim 3

A toy vehicle as defined in claim 1 wherein said steering means comprises a steering arm operatively connected to said steering wheel to pivot the steering wheel in the right or left hand direction and second transmission means operatively connected between said output element and said steering arm for converting rotation of said output element into a continuous uninterrupted left or right hand swinging movement of the arm to move the steering wheel into said left or right hand steering positions in response to a change in the direction of rotation of said rotary output.

Claim 4

A toy vehicle as defined in claim 2 wherein said steering arm is pivotally mounted on said frame.

Claim 5

A toy vehicle as defined in claim 3 wherein said wheel includes a steering lever pivotally connected to said arm whereby pivotal movement of the arm is transmitted to said wheel.

Claim 6

A toy vehicle as defined in claim 4 wherein said second transmission means includes a rotary power transmission element mounted on said rotary output of the motor drivingly engaged with said arm to rotate the arm to the right or left in response to the direction of rotation of the motor output.

Claim 7

The toy vehicle as defined in claim 5 wherein said transmission element is a friction wheel frictionally engaged with said arm.

Claim 8

A toy vehicle comprising a vehicle frame, a pair of steering wheels pivotally mounted on said frame for simultaneous steering movement between right and left hand steering positions with respect to the frame; a pair of drive wheels rotatably mounted on the frame; a reversible rotary drive motor on said frame having a rotary output element; first transmission means drivingly engaged with said output element and said drive wheels for driving at least one or the other of said drive wheels in the forward direction of travel of the vehicle regardless of the direction of rotation of said rotary output element; a steering arm rotatably mounted on said frame for pivotal movement therein between first and second positions corresponding respectively to said right and left hand steering positions and being connected to said steering wheels for transmitting such pivotal movement thereto and pivoting said steering wheels between said steering positions, and second transmission means operatively engaged between said rotary output element and said arm for immediately rotating said arm from any position thereof to said first or second positions thereof in a continuous and uninterrupted swinging movement in response to a change in the direction of rotation of said rotary output element, thereby to change the steering direction of said steering wheels in a continuous uninterrupted steering motion.

Claim 9

A toy vehicle comprising a vehicle frame, a pair of steering wheels pivotally mounted on said frame for simultaneous steering movement between right and left hand steering positions with respect to the frame; a pair of drive wheels rotatably mounted on the frame; a reversible rotary drive motor on said frame having a rotary output element; first transmission means drivingly engaged with said output element and said drive wheels for driving at least one or the other of said drive wheels in the forward direction of travel of the vehicle regardless of the direction of rotation of said rotary output element; a steering arm rotatably mounted on said frame for pivotal movement therein between first and second positions corresponding respectively to said right and left hand steering positions and being connected to said steering wheels for transmitting such pivotal movement thereto and pivoting said steering wheels between said steering positions, and second transmission means operatively engaged between said rotary output element and said arm for immediately rotating said arm from any position thereof to said first or second positions thereof in a continuous and uninterrupted swinging movement in response to a change in the direction of rotation of said rotary output element, thereby to change the steering direction of said steering wheels in a continuous uninterrupted steering motion.

Claim 10

A toy vehicle as defined in claim 7 wherein said second transmission means includes a rotary power transmission element mounted on said motor output drivingly engaged with said arm to rotate the arm to the right or left in response to the direction of rotation of the motor output.

Claim 11

The toy vehicle as defined in claim 8 wherein said transmission element is a friction wheel frictionally engaged with said arm.

Claim 12

A toy vehicle as defined in claim 7 wherein said first transmission means includes a pair of oppositely driving one way clutches connected between said output element and said rear wheels.

Claim 13

A toy vehicle as defined in claim 10 including stop means for limiting swinging movement of said steering arm between two extreme steering positions.

Claim 14

A steerable toy vehicle responsive to the polarity of current supplied thereto and adapted for use on a vehicle track having a pair of laterally spaced upstanding side walls defining at least two vehicle lanes therebetween each of which contains current supply strips, said toy vehicle comprising a frame, a pair of steering wheels pivotally mounted on said frame for simultaneous pivotal movement in generally parallel vertical planes between right and left hand steering positions with respect to the frame to enable said vehicles to steer from one lane to another and be guided therein by the adjacent side wall of the track; a pair of drive wheels rotatably mounted in said frame; a reversible electric rotary drive motor mounted on said frame between said steering wheels and drive wheels and having a rotary output shaft extending therethrough and including first and second ends extending towards said drive and steering wheels respectively; current collector means on said vehicle for collecting current from said supply strips and supply the current to said motor; first transmission means drivingly engaged with said first end of the motor output shaft and the drive wheels for driving the vehicle in the forward direction of travel thereof regardless of the polarity of current supplied to said motor, and second transmission means operatively engaged between said second end of the motor output shaft and the steering wheels for pivoting said steering wheels between said right and left hand steering positions in a continuous and uninterrupted pivotal motion in response to a change in the polarity of the current supplied to said motor.

Claim 15

A steerable toy vehicle responsive to the polarity of current supplied thereto and adapted for use on a vehicle track having a pair of laterally spaced upstanding side walls defining at least two vehicle lanes therebetween each of which contains current supply strips, said toy vehicle comprising a frame, a pair of steering wheels pivotally mounted on said frame for simultaneous pivotal movement in generally parallel vertical planes between right and left hand steering positions with respect to the frame to enable said vehicles to steer from one lane to another and be guided therein by the adjacent side wall of the track; a pair of drive wheels rotatably mounted in said frame; a reversible electric rotary drive motor mounted on said frame between said steering wheels and drive wheels and having a rotary output shaft extending therethrough and including first and second ends extending towards said drive and steering wheels respectively; current collector means on said vehicle for collecting current from said supply strips and supply the current to said motor; first transmission means drivingly engaged with said first end of the motor output shaft and the drive wheels for driving the vehicle in the forward direction of travel thereof regardless of the polarity of current supplied to said motor, and second transmission means operatively engaged between said second end of the motor output shaft and the steering wheels for pivoting said steering wheels between said right and left hand steering positions in a continuous and uninterrupted pivotal motion in response to a change in the polarity of the current supplied to said motor.

Claim 16

A steerable toy vehicle as defined in claim 12 wherein said second transmission means includes a steering arm pivotally mounted in said frame for pivotal movement between first and second positions in the frame corresponding respectively to said right and left hand steering positions of the steering wheels; said steering arm being operatively connected to said steering wheels to pivot the wheels between said steering positions; and means operatively engaged between said arm and said second end of the output shaft for driving said arm between said first and second positions when the polarity of current supplied to said motor is reversed.

Claim 17

A steerable toy vehicle responsive to the polarity of current supplied thereto and adapted for use on a vehicle track having a pair of laterally spaced upstanding side walls defining at least two vehicle lanes therebetween each of which contains current supply strips, said toy vehicle comprising a frame, a pair of steering wheels pivotally mounted on said frame for simultaneous pivotal movement in generally parallel vertical planes between right and left hand steering positions with respect to the frame to enable said vehicles to steer from one lane to another and be guided therein by the adjacent side wall of the track; a pair of drive wheels rotatably mounted in said frame; a reversible electric rotary drive motor mounted on said frame between said steering wheels and drive wheels and having a rotary output shaft extending therethrough and including first and second ends extending towards said drive and steering wheels respectively; current collector means on said vehicle for collecting current from said supply strips and supply the current to said motor; first transmission means drivingly engaged with said first end of the motor output shaft and the drive wheels for driving the vehicle in the forward direction of travel thereof regardless of the polarity of current supplied to said motor, and second transmission means operatively engaged between said second end of the motor output shaft and the steering wheels for pivoting said steering wheels between said right and left hand steering positions in response to a change in the polarity of the current supplied to said motor; said second transmission means including a steering arm pivotally mounted in said frame for pivotal movement between first and second positions in the frame corresponding respectively to said right and left hand steering positions of the steering wheels; said steering arm being operatively connected to said steering wheels to pivot the wheels between said steering positions; and means operatively engaged between said arm and said second end of the output shaft for driving said arm between said first and second positions when the polarity of current supplied to said motor is reversed; said arm having an arcuate drive area formed thereon and said means for driving said arm being a rotary drive element driven by said second end of the output shaft and drivingly engaged with said arcuate drive area of said arm.

Claim 18

A steerable toy vehicle responsive to the polarity of current supplied thereto and adapted for use on a vehicle track having a pair of laterally spaced upstanding side walls defining at least two vehicle lanes therebetween each of which contains current supply strips, said toy vehicle comprising a frame, a pair of steering wheels pivotally mounted on said frame for simultaneous pivotal movement in generally parallel vertical planes between right and left hand steering positions with respect to the frame to enable said vehicles to steer from one lane to another and be guided therein by the adjacent side wall of the track; a pair of drive wheels rotatably mounted in said frame; a reversible electric rotary drive motor mounted on said frame between said steering wheels and drive wheels and having a rotary output shaft extending therethrough and including first and second ends extending towards said drive and steering wheels respectively; current collector means on said vehicle for collecting current from said supply strips and supply the current to said motor; first transmission means drivingly engaged with said first end of the motor output shaft and the drive wheels for driving the vehicle in the forward direction of travel thereof regardless of the polarity of current supplied to said motor, and second transmission means operatively engaged between said second end of the motor output shaft and the steering wheels for pivoting said steering wheels between said right and left hand steering positions in response to a change in the polarity of the current supplied to said motor; said second transmission means including a steering arm pivotally mounted in said frame for pivotal movement between first and second positions in the frame corresponding respectively to said right and left hand steering positions of the steering wheels; said steering arm being operatively connected to said steering wheels to pivot the wheels between said steering positions; and means operatively engaged between said arm and said second end of the output shaft for driving said arm between said first and second positions when the polarity of current supplied to said motor is reversed; said arm having an arcuate drive area formed thereon and said means for driving said arm being a rotary drive element driven by said second end of the output shaft and drivingly engaged with said arcuate drive area of said arm.

Claim 19

A steerable toy vehicle as defined in claim 14 wherein said rotary drive element is a frictional wheel mounted on said shaft and said drive area is an arcuate friction surface.

Claim 20

A steerable toy vehicle as defined in claim 13 wherein said means for driving said arm comprises means for moving the arm from the position it occupies at the instant of current reversal to its other position only until the arm has completed its pivotal movement to said other position.

Claim 21

A steerable toy vehicle as defined in claim 16 wherein said moving means is a slip clutch.

Claim 22

A steerable toy vehicle as defined in claim 17 including means for limiting movement of said arm to movement between said first and second positions.

Claim 23

A steerable toy vehicle as defined in claim 12 wherein said first transmission means includes a pair of oppositely driving one way clutches connected between said output elements and said rear wheels.