Land vehicles – Step or abutment ascending type vehicle – With endless track
Patent
1996-10-31
1998-08-25
Hurley, Kevin
Land vehicles
Step or abutment ascending type vehicle
With endless track
280DIG10, B62B 902
Patent
active
057976066
ABSTRACT:
There is provided a transporter for patient's emergency escape, comprising: a transporter main body including a main body frame structure; a pair of crawler devices disposed on opposite sides of the transporter main body, each crawler device having a ground contacting surface extending for at least two steps of a stairway; a load-carrying frame structure provided above the transporter main body, said load-carrying frame structure being adapted to serve as a chair for carrying a person; a pair of tandem wheel structures each having a pair of ground contacting wheels arranged in the longitudinal direction of the transporter main body, said pair of tandem wheel structures being provided on opposite sides of the transporter main body near the rear ends of the crawler devices; a single tandem wheel structure having a pair of ground contacting wheels arranged in the longitudinal direction of the transporter main body, said single tandem wheel structure bing provided on the bottom of the transporter main body at a substantially central position thereof; a stand structure provided on the rear end of the transporter main body.
REFERENCES:
patent: 1911924 (1933-05-01), Powers
patent: 4432426 (1984-02-01), Misawa
patent: 4566550 (1986-01-01), Misawa
patent: 4585241 (1986-04-01), Misawa et al.
patent: 4688813 (1987-08-01), Misawa et al.
patent: 4771839 (1988-09-01), Misawa
patent: 5197558 (1993-03-01), Misawa
patent: 5641030 (1997-06-01), Toselli
Hurley Kevin
Sunwa Ltd.
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