To provide a crawler type working vehicle capable of smoothly carrying out rotating motion of a caster for rising motion from a step and direction changing motion of the vehicle regardless of overhanging quantity of a supporting device.
The supporting devices 12, 13 to support a car body by lifting it are provided on both of front and rear sides of a crawler type travelling body 1. These supporting devices 12, 13 are constituted free to overhang and be stored by providing the casters 15, 26 on tip end parts of arms 14, 25 revolving around the fore-and-aft one end side. The casters 15, 26 are structured in fore-and-aft dual wheels respectively furnished with a pair of front and rear wheels 19, 30, front and rear caster frames 19, 30 are mounted on common brackets 22, 33 free to revolve around a vertical shaft and these brackets 22, 33 are mounted on the arms 14, 25 free to revolve around bracket supporting shafts 23, 34 horizontal in the left and right directions.
MORI TSUTOMU
FUJIWARA SHOZO
KOBELCO CONSTR MACHINERY LTD
Takao Ito
Jiro Higuchi
Muramatsu Toshiro