PURPOSE: To make supporting wheels come into contact with the side surface of a field ridge for insurance of stable traveling by disposing a crawler type central traveling tool at the lower part of a machine body, and protruding it outward from the central traveling tool to provide protrusively supporting wheels which are adjustable vertically from a machine body.
CONSTITUTION: A movable agricultural machine 5 is constructed so that a crawler type central traveling tool 3 is disposed at the lower part of a machine body 1 and a handle bar 2 is provided extensively at the rear part, and a couple of right and left supporting wheels 4 which are positioned more outward than the central traveling tool 3 from both the lower parts are provided protrusively. At this time, the supporting wheels 4 support the middle of each axle at its machine frame 28 and its inner end at a vertical movable frame. The vertical movable frame 28 is screwed in a threaded shaft 29, and the threaded shaft 29 is made to engage with respective driven and driving bevel gears 30, 31. By operating a handle not shown in a figure, the supporting wheels 4 are adjusted vertically through the above transmission means 28-31. It is thus possible to make either of the supporting wheels 4 come into contact with the side surface of a field ridge, for ensuring stable traveling.
KOBAYASHI SHIGEO
IKEDA MITSUHIKO
MATSUURA NORIO
HORIE HIDEO
IZUMI MITSUTAKA
TOYOKAWA MITSUO
