Wheel chair for handicapped persons

Details Wheel chair for handicapped persons Wheel chair for handicapped persons

A - Human Necessities

61

G

280/8, 155/14.2

A61G 5/04 (2006.01)

Patent

CA 1213511

ABSTRACT A wheelchair for handicapped persons with a seat disposed on a movable frame, a battery set for the power supply of drive motors coordinated to the wheels of the wheelchair and a steering system for controlling the stop of the wheel groups for the purpose that the wheelchair can drive up and down stairs automatically, which is characterized in that the movable frame comprises two frames disposed on top of each other, which carry a compressed air container with coordinated compressor and where vertically standing double acting piston cylinder units hinged at the longitudinal side pieces for the vertical adjustment of eight wheelchair wheels combined to four wheel groups, such that the frames with the piston cylinder units are adjustable relative to their side projection like a parallelogram, that the seat is hinged at the upper frame, and where a stabilization system is coordinated to the seat under maintaining of its horizontal position at different relative positions of the upper and lower frames. - 1 -

433356

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