Powered wheeled vehicle for the handicapped and others desiring

Details Powered wheeled vehicle for the handicapped and others desiring Powered wheeled vehicle for the handicapped and others desiring

1990-12-24

1992-02-25

Marmor, Charles A.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

74 8915, 192141, 248161, 180907, A61G 504

Patent

active

050905139

ABSTRACT:
A steerable electrically powered three-wheeled vehicle has an upstanding seat post mounting a seat thereon. The seat post is telescopically and revolvably received in a seat post support fixed to the frame of the vehicle. A seat motor is provided on the vehicle which has a drive connection to the seat post assembly for raising and lowering it and there is a control on the vehicle for selectively operating the seat motor forwardly or reversely to raise or lower the seat post and seat. A pair of master lock parts are provided, one on the seat post support and the other on the seat post, and parts on the respective lock parts are automatically engaged when the seat post and seat are lowered to lowered position for locking the otherwise relatively revolvable parts against relative rotation. The lock parts automatically prevent operation of the motor driving the vehicle, unless the seat is in the forward facing position. The clutch and drive gear assembly are so configured as to prevent undue noise when the clutch slips at the limits of vertical travel of the seat post and seat.

REFERENCES:
patent: 3078946 (1963-02-01), Young
patent: 4019602 (1977-04-01), Habiger
patent: 5020624 (1991-06-01), Nesterick et al.

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