Remote control electric powered skateboard
DCFirst Claim
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1. An electric powered skateboard having a board with an upper rider-support surface and a lower surface supporting at least four wheels wherein the improvement comprises:
- an electric motor held by said board;
battery means held by said board and connectable to said electric motor by motor control means;
remotely controlled drive means between said electric motor and at least one of said wheels, said at least one of said wheels being a driven wheel and said drive means being a positive drive means between said motor and said driven wheel and wherein said electric motor is controlled by a remote control unit having a moveable trigger capable of sending a variable, controlled acceleration signal and a variable, controlled braking signal dependent upon the position of the trigger and said electric motor includes motor control and receiver units to receive said variable, controlled acceleration signal and said variable, controlled braking signal and cause electric motor to accelerate or brake in a controlled manner; and
braking means comprising electric motor braking to electrically impose a resistance to rotation on the motor thereby imposing a resistance to turning on said driven wheel.
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Abstract
An electric powered skateboard having an electric motor which directly drives one of the wheels of the skateboard. The board is preferably controlled by a remote controller which smoothly accelerates the motor and also smoothly brakes the motor electrically. Preferably the direct drive is through a toothed belt and preferably a high torque/low RPM electric motor is used.
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Citations
15 Claims
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1. An electric powered skateboard having a board with an upper rider-support surface and a lower surface supporting at least four wheels wherein the improvement comprises:
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an electric motor held by said board; battery means held by said board and connectable to said electric motor by motor control means; remotely controlled drive means between said electric motor and at least one of said wheels, said at least one of said wheels being a driven wheel and said drive means being a positive drive means between said motor and said driven wheel and wherein said electric motor is controlled by a remote control unit having a moveable trigger capable of sending a variable, controlled acceleration signal and a variable, controlled braking signal dependent upon the position of the trigger and said electric motor includes motor control and receiver units to receive said variable, controlled acceleration signal and said variable, controlled braking signal and cause electric motor to accelerate or brake in a controlled manner; and braking means comprising electric motor braking to electrically impose a resistance to rotation on the motor thereby imposing a resistance to turning on said driven wheel. - View Dependent Claims (2, 3, 4, 5)
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6. An electric powered skateboard having a board with an upper riding surface, wheels and said board supporting a battery unit, a remote control signal receiver, an electric motor, a motor controller which receives signals from said remote control signal receiver permitting the variable, controlled acceleration and deceleration of said electric powered skateboard further comprising:
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a low speed permanent magnet motor having a maximum RPM of about 3,000; and means for making a direct connection between a rotor of said motor and at least one wheel of said electric powered skateboard. - View Dependent Claims (7, 8)
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- 9. An electric powered skateboard having a board with an upper riding surface, wheels, electric power means including a battery, an electric motor supported by said board and a motor speed controller, a signal receiver supported by said board, a remote control unit to be held by a rider, a direct drive between said electric motor at least one of said wheels and said motor having the ability to provide dynamic, variable, controlled braking and variable, controlled acceleration in response to a signal from said remote control unit and wherein there are safety means to brake the electric powered skateboard when the rider is not in control of the electric powered skateboard.
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13. An electric powered skateboard having a board with an upper rider supporting surface, a lower surface, a pair of front wheels and a pair of back wheels, an electric motor including means to drive at least one of said wheels, motor control means further comprising:
a battery container supported under the lower surface of said skateboard, said battery container having a floor and two sides, at least one battery having two terminals extending from a side thereof, a pair of slots in one of the two sides of said battery container, a conductive element in a bottom of each of said slots and means for retaining said battery in said battery container whereby when said battery is slid into said battery container its terminals make electrical contact with the conductive elements. - View Dependent Claims (14, 15)
Specification