| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow a worker riding on a working vehicle to easily change and maintain the traveling speed of the vehicle. <P>SOLUTION: In the continuously variable speed operation device of the working machine, an erected traveling control lever is provided at a position where a worker seating on the driver's seat can operate the control lever while grasping a grip part by one hand, the traveling control lever being configured to maintain a constant travelling speed at a neutral position, wherein the travelling control lever is reclined forward to accelerate its travelling speed while reclined backward to decelerate its travelling speed. Furthermore in the operation device, a plurality of switches for changing the control setting of a continuously variable speed mechanism are provided to the grip part of the travelling control lever, allowing the switches to be operated with worker's finger tips, and an acceleration memory B switch and an acceleration memory A switch are provided which set speeds corresponding to a plurality of operational conditions as switches provided to the grip part of the travelling control lever. <P>COPYRIGHT: (C)2012,JPO&INPIT |
