Wheeled vehicle for movement on escalators

Details Wheeled vehicle for movement on escalators Wheeled vehicle for movement on escalators

1997-10-14

2000-02-29

English, Peter C.

Land vehicles

Step or abutment ascending type vehicle

With spider-type engaging means

280DIG10, 180907, 180908, B60R 1902, B62B 502

Patent

active

060299827

ABSTRACT:
A powered vehicle is configured to stably and reliably ride on an escalator and includes a vehicle body (1), front and rear wheels (2) and (3), a drive mechanism (42), and front and rear supports (4) and (5). The front and rear wheels (2) and (3) are supported on front and rear portions of the vehicle body, respectively. The drive mechanism (42) drives the rear wheels. The front and rear supports (4) and (5) are arranged adjacent to the corresponding front wheels (2) and behind the rear wheels (3), respectively. The front or rear supports (4) and (5) land on the step surface at least when the vehicle body (1) is inclined at a maximum inclination portion of the escalator. At this time, the wheels (2) or (3) remote from the landed supports (5) or (4) land on another step of the escalator.

REFERENCES:
patent: 2823042 (1958-02-01), Gelbond
patent: 3272527 (1966-09-01), Martin
patent: 4132423 (1979-01-01), Chant
patent: 4639002 (1987-01-01), Karpisek
patent: 5516127 (1996-05-01), Glazer et al.
patent: 5868402 (1999-02-01), Eguchi et al.

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