Stair climbing vehicle

Details Stair climbing vehicle Stair climbing vehicle

1995-10-16

1996-12-03

Boehler, Anne Marie

Motor vehicles

Special driving device

Stepper

180907, 280 526, 280DIG10, B62B 502, B62D 57024

Patent

active

055798578

ABSTRACT:
A vehicle which goes up and down stairs includes a vehicle body (101), front and rear wheels (102) and (103) provided at the front and rear of the vehicle body (101), respectively, front and rear auxiliary wheels (105) and (107) for lifting up or down the front and rear wheels (102) and (103) by one step of stairs, respectively, a driving unit for driving each wheel, a pivoting unit for pivoting the front and rear auxiliary wheels (105) and (107), sensors (121) to (124) for detecting a riser portion of stairs, and a control unit (120) for controlling the driving unit and the rotating unit in accordance with results of the sensors (121) to (124). Since the vehicle goes up and down stairs by rotation of the auxiliary wheels (105) and (107), a corner portion of the step of stairs is not damaged while the vehicle goes up and down stairs.

REFERENCES:
patent: 3283839 (1966-11-01), Brown et al.
patent: 4645222 (1987-02-01), Hester
patent: 4790548 (1988-12-01), Decelles et al.
patent: 4794999 (1989-01-01), Hester
patent: 4993912 (1991-02-01), King et al.

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