Motor driven jumping ropes rotatable in opposite directions

Claim 1

A ROPE JUMPING DEVICE, COMPRISING A PAIR OF CYLINDRICAL HANDLES, A MOTOR DISPOSED IN EACH OF THE HANDLES, A BATTERY DISPOSED IN EACH HANDLE IN CIRCUIT WITH THE MOTOR THEREIN, A MANUALLY OPERABLE SWITCH CARRIED BY EACH HANDLE IN CIRCUIT WITH THE MOTOR AND BATTERY THEREIN, SAID SWITCH INCLUDING A HAND GRIP SPRING BIASED RADIALLY OUTWARD OF THE HANDLE SO THAT THE CIRCUIT IS NORMALLY OPEN, A PAIR OF ROPES HAVING OPPOSITE ENDS TURNABLY CONNECTED TO THE RESPECTIVE HANDLES, GEAR TRANSMISSION MEANS OPERATIVELY CONNECTING THE MOTOR IN EACH HANDLE TO ONE END OF EACH ROPE THEREAT FOR TURNING THE ROPES IN OPPOSITE DIRECTIONS WHEN THE MOTOR CIRCUITS ARE CLOSED, THE HAND GRIPS OF THE SWITCHES BEING REMOVABLE FOR REPLACEMENT WITH SPRINGS EXERTING DIFFERENT SPRING BIAS, THE ROPES BEING DETACHABLY CONNECTED TO THE HANDLES, THE GEAR TRANSMISSION MEANS INCLUDING A SLIDABLE SHAFT, A FIRST BEVEL GEAR AND A FLANGE GEAR CARRIED BY SAID SLIDABLE SHAFT, A PAIR OF OPPOSED BEVEL GEARS DISPOSED FOR ENGAGEMENT WITH THE FIRST BEVEL GEAR IN ONE POSITION OF SAID SLIDABLE SHAFT, AND A PAIR OF SPUR GEARS DISPOSED FOR ENGAGEMENT WITH THE FLANGE GEAR IN ANOTHER POSITION OF SAID SLIDABLE SHAFT, ELBOW MEMBERS DISPOSED BETWEEN THE ROPE ENDS AND THE HANDLES, AND SHAFTS EACH CARRYING ONE OF THE SPUR GEARS AND ONE OF THE OPPOSED BEVEL GEARS, THE SHAFTS BEING CONNECTED TO THE ELBOW MEMBERS, SAID SLIDABLE SHAFT OPERATIVELY CONNECTED WITH A SHAFT OF THE MOTOR, WHEREBY AXIAL MOVEMENT OF THE SLIDABLE SHAFT TO EITHER POSITION CHANGES THE SPEED OF ROTATION OF THE ROPES.