| 摘要 |
<P>PROBLEM TO BE SOLVED: To properly operate an electric wiper by constituting the electric wiper, equipped with an electric motor and a duster, that is a dust removal device of a radiator in a working vehicle, compactly enough to be arranged in a tight space near a radiator net within a hood, and the drive of the electric wiper is optimized. <P>SOLUTION: The electric wiper is constituted by a wiper arm whose base end part is axially supported in a freely oscillating manner, and a wiper motor for driving the wiper arm which are integrally assembled. The working vehicle is characterized in that an automatic on/off switch of the electric wiper is provided for turning on and off the automatic operation of the electric wiper by bringing a wiper blade, attached to the wiper arm with the electric wiper arranged upstream in the flow direction of cooling air for the radiator net, into a slide contact on the upper side of the radiator net. and in that a controller is provided which makes the electric wiper operated intermittently after the elapse of a predetermined period of time with an engine started in the automatic operation of the electric wiper. <P>COPYRIGHT: (C)2012,JPO&INPIT |
