| 摘要 |
PURPOSE: A length variable wiper with an interior pulley is provided to prevent an accident by extending view of a driver through removing a foreign material attached on a windshield. CONSTITUTION: A length variable wiper by an interior pulley comprises a variable wiper operated buy a wiper motor; a main blade(2) rotating by the wiper motor; an auxiliary blade sliding on the main blade; a spring(4) supplied to the main blade by being connected to the auxiliary blade; a connecting wire engaged with the auxiliary blade; a slave shaft(7) installed on a gear box(6); a pulley(8) winding the connecting wire by being mounted on the slave shaft; and a first and second gears(10,11) installed on a main shaft(9). Thereby, the length variable wiper by the interior pulley extends view of a driver by increasing range of the wiper. Moreover, the length variable wiper by the interior pulley removes a foreign material attached on a windshield.
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