Patent ID: 6695723
Filing Date: 2004-02-24
Classification: A63B

Abstract:
In combination for providing for the propulsion of a movable member,a base, a housing extending upwardly from the base, a tee disposed in the housing and having a rest position and an operative position above the rest position and movable between the rest and operative positions, the tee being constructed at its upper end to receive and hold the movable element during the upward movement of the tee from the rest position to the operative position, a ramp positioned relative to the tee and constructed to hold the movable element and to transfer the movable element to the upper end of the tee during the upward movement of the tee from the rest position to the operative position, a motor for moving the tee upwardly from the rest position to the operative position, a detent disposal relative to the tee for providing for the transfer of the movable element on the ramp to the tee during the upward movement of the tee, electrical circuitry for synchronizing the operation of the motor and the detent to provide for the transfer of the movable element from the ramp to the tee during the upward movement of the tee, a motor coupled to the tee for moving the tee between the rest position and the inoperative position, a pinion gear disposed in a co-operative relationship with the motor for rotation in accordance with the rotation of the motor, a rack gear coupled to the tee and the pinion gear for moving the tee upwardly from the rest position to the operative position in accordance with the operation of the motor, a propulsion member for propelling the movable element, a switch disposed on the propulsion member and having operative and inoperative relationships, and a transmitter disposed in the propulsion member in a circuit with the switch for transmitting signals to the tee in the operative relationship of the switch to provide for an energizing of the motor.