JPH01113024U - - Google Patents

Description

[Brief explanation of the drawing]

Figures 1 to 6 show an embodiment of this invention, in which Figure 1 is a block diagram showing the control system for speed change operation, Figure 2 is a side view showing the entire mobile agricultural machine,
Figure 3 is an enlarged plan view showing how the servo motor and arm are installed, Figure 4 is its side view, and Figure 5
FIG. 6 is a side view of the gear shift operation switch, handle position selection switch, etc., FIG. 7 is a side view of a conventional example, and FIG. 8 is a plan view thereof. 21... Mobile agricultural machine, 27, 28... Drive unit, 3
6... Handle, 37... Gear shift operation switch, 3
9... Handle position selection switch, 40... Control unit.

Claims (1)

[Scope of utility model registration request] A mobile agricultural machine whose handle can be turned in the front-rear direction is provided with a drive section that moves a speed change member of a speed change mechanism section to an arbitrary speed change position and a speed change operation switch that operates this drive section, Accordingly, a handle position selection switch is provided for switching between a rear turn position and a forward turn position, and in conjunction with the switching operation of the handle position selection switch, the direction of operation of the drive unit by the switching operation of the speed change operation switch is reversed, forward, or reversed. When the handle position selection switch is switched to the forward turn position, a control section that regulates the operation of the drive section when the shift operation switch is switched to the high speed shift position is controlled between the shift operation switch and the drive section. A change device for a mobile agricultural machine characterized by being provided between the two.