| 摘要 |
The purpose of the present invention is to provide a wiper unit that can move a wiper, which is positioned on a plane of a glass door of construction machinery, on a cabin frame. To this end, the wiper unit comprises: a wiper motor; a drive shaft which is connected to the wiper motor to be able to rotate, and is supported to be able to move forward and backward up to a predetermined distance toward a rotary shaft; a wiper which is integrally connected to the drive shaft so as to be able to rotate with respect to the rotary shaft of the drive shaft by driving force of the wiper motor, and is installed to be able to move between a wiping position on the plane of the glass door and a stop position on the cabin frame positioned higher than the wiping position toward the rotary shaft up to a predetermined level difference; and a position adjusting unit which moves the wiper forward toward the rotary shaft so as to move the wiper from the wiping position to the stop position. |
