| 摘要 |
PURPOSE: A link structure of a rear wiper driving device is provided to alternate an existing complex link structure by guiding a pin shaped protrusion into a slot of a link member and rotating the link member and a wiper arm shaft. CONSTITUTION: A link structure comprises a link member(46) combined with a wiper arm shaft(50) to rotate and formed at a slot(46a); and a pin shaped protrusion(32) protruded in a worm gear(30) to insert into the slot. The pin shaped protrusion rotates the link member by guiding through the slot when the worm gear is rotated. Thereby, an existing complex gear typed link structure is alternated.
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