Electrically driven wheelchair

Details Electrically driven wheelchair Electrically driven wheelchair

1997-09-12

2000-04-18

Mai, Lanna

Motor vehicles

Power

Electric

180907, 2802501, 2803041, 297DIG4, B60K 100

Patent

active

060503564

ABSTRACT:
A wheelchair includes an upper structure A and lower structure B which can be freely assembled and separated. Upper structure A includes a seat, back rest, seat rail, cross member, cross member and a subframe. Electrical equipment including a control unit and battery, etc., is housed inside a housing mounted on the bottom part of seat. A motor is supported under the cross member. The lower structure includes the left and right pair portions of a main frame, front wheels, drive wheels and hand rims. Upper structure A can be separated and removed from lower structure B by folding down the back rest and removing the upper structure A. The output axis is removed from the axle stay by moving the motor towards the center of the wheelchair body. A housing cover is fitted to the rear face of a base plate provided on a seat of the wheelchair. A freely opened and closed lid is provided for the opening provided on the front portion. A guide plate is provided on the front of the housing formed by the base plate and the housing cover. A control unit is fitted to the rear. When the lid is opened and battery is inserted from the front into housing cover and guided and supported by the guide plate, the battery simultaneously connects with the discharge connector at the side of control unit.

REFERENCES:
patent: 3613813 (1971-10-01), Biddle
patent: 3749192 (1973-07-01), Karchak et al.
patent: 3945449 (1976-03-01), Ostrow
patent: 4209073 (1980-06-01), Enix
patent: 5111899 (1992-05-01), Reimann
patent: 5234066 (1993-08-01), Ahsing et al.
patent: 5253724 (1993-10-01), Prior
patent: 5291959 (1994-03-01), Malblanc

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