To enhance treading performance on a moving face to allow stable movement, to simplify constitution, and to make operability excellent, when moving on a boundary portion between a sloped traveling face such as a stairway and a flat floor face.
In this fire extinguishing appliance provided at least with a water jet means and a crawler means formed to climb up on the stairway or a sloped face, in a vehicle main body 1, and constituted to conduct fire extinguishing work by a remote operation, the crawler means comprises a pair of front crawlers 2 arranged in left and right sides in a front side of the vehicle main body 1, and a pair of rear crawlers 3 arranged in left and right sides in a rear side thereof, a turning shaft 10 turned by a motor 9 for turning-up and -down is inserted into driving shafts 4 to operate the front crawlers 2 to be turned up and down around the driving shafts 4 for driving wheels 2a as the center, and driven wheels 2b are provided onto oscillation arms 11 connected to the turning shaft 10.
TSUMAKI TOSHIMICHI
OKAZAKI TAKASHI
FUKUYA YASUTAKA
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