Electric stroller

1. An electric stroller comprising:

a frame, a child seat, an operator seat, a plurality of wheels, a port motor, a starboard motor, a control circuit, and a battery;

wherein the electric stroller is a self-propelled conveyance;

wherein the child seat is supported by the frame and is adapted to transport a child;

wherein the operator seat is coupled to the frame behind the child seat and is adapted to transport an operator;

wherein a port driven wheel is propelled by the port motor;

wherein a starboard driven wheel is propelled by the starboard motor;

wherein the speed and direction of the port motor and the starboard motor are controlled independently;

wherein the frame provides mechanical support for at least the child seat, the operator seat, the plurality of wheels, the port motor, the starboard motor, the control circuit, and the battery;

wherein the frame comprises a port front leg, a port rear leg, a port upright, a starboard front leg, a starboard rear leg, a starboard upright, a child seat support, a plurality of crossbars, a handlebar, a cargo shelf, a port front wheel mount, a port rear wheel mount, a starboard front wheel mount, a starboard rear wheel mount, a port rear extension, a starboard rear extension, a port foot board, and a starboard foot board.

2. The electric stroller according to claim 1

wherein the port side of the frame is vertically oriented and comprises the port front leg, the port rear leg, and the port upright;

wherein the top of the port front leg is coupled to the top of the port rear leg and to a midpoint of the child seat support on the port of the child seat support;

wherein the bottom of the port front leg is coupled to the port front wheel mount;

wherein the bottom of the port rear leg is coupled to the front of the port rear extension;

wherein the bottom of the port upright is coupled to a midpoint of the port rear leg;

wherein the top of the port upright extends upwards and rearwards and is coupled to the port side of the handlebar;

wherein the port upright extends forward horizontally and provides support for the port side of a seat bottom;

wherein the port rear extension is a horizontally oriented armature that extends rearwards from the port rear leg;

wherein the port rear wheel mount is located at the rear of the port rear extension.

3. The electric stroller according to claim 2

wherein the starboard side of the frame is vertically oriented and comprises the starboard front leg, the starboard rear leg, and the starboard upright;

wherein the top of the starboard front leg is coupled to the top of the starboard rear leg and to a midpoint of the child seat support on the starboard of the child seat support;

wherein the bottom of the starboard front leg is coupled to the starboard front wheel mount;

wherein the bottom of the starboard rear leg is coupled to the front of the starboard rear extension;

wherein the bottom of the starboard upright is coupled to a midpoint of the starboard rear leg;

wherein the top of the starboard upright extends upwards and rearwards and is coupled to the starboard side of the handlebar;

wherein the starboard upright extends forward horizontally and provides support for the starboard side of the seat bottom;

wherein the starboard rear extension is a horizontally oriented armature that extends rearwards from the starboard rear leg;

wherein the starboard rear wheel mount is located at the rear of the starboard rear extension.

4. The electric stroller according to claim 3

wherein the handlebar is an armature that is adapted to be grasped by the operator;

wherein the handlebar is coupled between the top of the port upright and the top of the starboard upright.

5. The electric stroller according to claim 4

wherein the child seat support is a U-shaped armature that supports the top of the seat bottom;

wherein the child seat support is horizontally oriented and extends forward from a midpoint of the port upright and a midpoint of the starboard upright.

6. The electric stroller according to claim 5

wherein the plurality of crossbars are horizontally oriented armatures that couple laterally between the port front leg and the starboard front leg, between the port rear leg and the starboard rear leg, between the port rear extension and the starboard rear extension, or combinations thereof;

wherein a seat base is coupled to the center of a seat support crossbar selected from the plurality of crossbars.

7. The electric stroller according to claim 6

wherein the handlebar comprises a port motor controller and a starboard motor controller;

wherein the port motor controller controls the rotational speed and direction of rotation of the port motor;

wherein the port motor controller is adapted to be twisted by the operator;

wherein the direction of the twist determines the direction of rotation of the port motor;

wherein the angular distance subtended by the twist determines the rotational speed of the port motor;

wherein the starboard motor controller controls the rotational speed and direction of rotation of the starboard motor;

wherein the starboard motor controller is adapted to be twisted by the operator;

wherein the direction of the twist determines the direction of rotation of the starboard motor;

wherein the angular distance subtended by the twist determines the rotational speed of the starboard motor.

8. The electric stroller according to claim 7

wherein the cargo shelf is a storage platform located under the child seat;

wherein the cargo shelf is a horizontally oriented planar surface that is coupled to the frame;

wherein the port foot board is a horizontally oriented surface adapted to support a left foot of the operator;

wherein the port foot board is coupled to the plurality of crossbars and to the port rear extension;

wherein the starboard foot board is a horizontally oriented surface adapted to support a right foot of the operator;

wherein the starboard foot board is coupled to the plurality of crossbars and to the starboard rear extension.

9. The electric stroller according to claim 8

wherein the child seat is adapted to be a seating area for the child;

wherein the child seat comprises the seat bottom, a seat back, a foot rest, and a sun shade;

wherein the seat bottom is a flexible panel that is suspended from the child seat support;

wherein the seat bottom comprises a horizontal surface adapted for the child to sit upon;

wherein the seat bottom comprises a pair of leg holes at the front of the child seat;

wherein the seat back is a flexible back support;

wherein the seat back is supported by the port upright and by the starboard upright;

wherein the foot rest is a ledge that descends at the front of the child seat;

wherein the foot rest is adapted to support the feet of the child;

wherein the sun shade is a flexible sun barrier that pivots forward to block exposure to the sun.

10. The electric stroller according to claim 9

wherein the operator seat is adapted to provide a seating area for the operator;

wherein the operator seat comprises the seat base, a seat hinge, a seat riser, and a saddle seat;

wherein the operator seat pivots forward for standing operation;

wherein the seat base is a vertically oriented armature that extends upwards from the seat support crossbar;

wherein the top of the seat base is coupled to the seat hinge;

wherein the seat hinge is a pivot point between the seat base and the seat riser;

wherein when a hinge release is unlocked, the seat riser pivots forward at the seat hinge;

wherein when the hinge release is locked, the seat riser is fixed in an upright orientation.

11. The electric stroller according to claim 10

wherein the hinge release is a removable pin.

12. The electric stroller according to claim 10

wherein the seat riser is a vertically oriented armature that couples to the seat hinge at the bottom of the seat riser and to the saddle seat at the top of the seat riser.

13. The electric stroller according to claim 12

wherein the height of the seat riser is adjustable;

wherein the seat riser is telescoping and is extended or retracted when a height lock is unlocked;

wherein when the height lock is locked, the height of the seat riser is fixed;

wherein the saddle seat is coupled to the top of the seat riser;

wherein the saddle seat is adapted for the operator to sit upon.

14. The electric stroller according to claim 13

wherein the plurality of wheels reduce friction between the electric stroller and the ground and propels the electric stroller;

wherein the plurality of wheels comprises a port front caster, the port driven wheel, a port rear caster, a starboard front caster, the starboard driven wheel, and a starboard rear caster.

15. The electric stroller according to claim 14

wherein the port front caster is pivotably coupled to the port front wheel mount;

wherein the starboard front caster is pivotably coupled to the starboard front wheel mount;

wherein the port rear caster is pivotably coupled to the port rear wheel mount;

wherein the starboard rear caster is pivotably coupled to the starboard rear wheel mount.

16. The electric stroller according to claim 15

wherein the port driven wheel is pivotably coupled to a port axle;

wherein the port axle is coupled to the port side of the frame at the bottom end of the port rear leg;

wherein a port wheel pulley is coupled to the inside of the port driven wheel;

wherein a port motor pulley is coupled to the shaft of the port motor;

wherein the port wheel pulley and the port motor pulley are aligned such that a port wheel belt loops around the port motor pulley and the port wheel pulley;

wherein rotation of the port motor pulley by the port motor drives the port wheel pulley and the port driven wheel;

wherein the starboard driven wheel is pivotably coupled to a starboard axle;

wherein the starboard axle is coupled to the starboard side of the frame at the bottom end of the starboard rear leg;

wherein a starboard wheel pulley is coupled to the inside of the starboard driven wheel;

wherein a starboard motor pulley is coupled to the shaft of the starboard motor;

wherein the starboard wheel pulley and the starboard motor pulley are aligned such that a starboard wheel belt loops around the starboard motor pulley and the starboard wheel pulley;

wherein rotation of the starboard motor pulley by the starboard motor drives the starboard wheel pulley and the starboard driven wheel.

17. The electric stroller according to claim 16

wherein the port motor converts electrical energy into mechanical energy;

wherein the port motor causes rotation of the port motor pulley when electrical energy is applied to the port motor;

wherein the electrical energy applied to the port motor is controlled by the control circuit;

wherein the starboard motor converts electrical energy into mechanical energy;

wherein the starboard motor causes rotation of the starboard motor pulley when electrical energy is applied to the starboard motor;

wherein the electrical energy applied to the starboard motor is controlled by the control circuit.

18. The electric stroller according to claim 17

wherein the control circuit controls the rotational direction and speed of the port motor and the starboard motor;

wherein the control circuit is electrically coupled to the port motor controller, the starboard motor controller, the port motor, the starboard motor, and the battery via wiring;

wherein the control circuit accepts electrical inputs from the port motor controller and from the starboard motor controller representing the positions of the port motor controller and the starboard motor controller;

wherein the control circuit sends electrical outputs to the port motor and to the starboard motor to establish a rotational speed and direction for each motor;

wherein the control circuit and the battery are housed in a controller compartment that is coupled to the underside of the cargo shelf.

19. The electric stroller according to claim 18

wherein the battery comprises one or more energy-storage devices;

wherein the battery is a source of electrical energy to operate the port motor and the starboard motor;

wherein the battery is replaceable or rechargeable.