WIPER DEVICE OF CONSTRUCTION MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a wiper device of a construction machine capable of extending a wiping area of a windshield without providing a plurality of wiper blades and wiper motors. SOLUTION: The wiper device of the construction machine has a wiper blade 2 which is turnably supported by a pin 2c and rocked to wipe a windshield 1. The wiper device comprises a link member 5 which is turnably supported at a diagonally upper position of the pin 2c, a sub blade 3 which is connected to the wiper blade 2 and the link member 5 via a pin 3a and a joint 3b inserted in a long hole in the sub blade to wipe the windshield 1, and a joint 6 to be connected to the wiper blade 2 and the link member 5. The distance between the pin 3a and the joint 3b, and the distance between connection parts of the joint 6 to be connected to the wiper blade 2 and the link member 5 are changed so that the wiper blade 2 is rocked so that the link member 5 maintains the parallel condition to the wiper blade 2. COPYRIGHT: (C)2006,JPO&NCIPI