Patent ID: 6591444
Filing Date: 2003-07-15
Classification: B60S,Y10T

Abstract:
A wiper apparatus, comprising:a wiper arm having a tip end and a base end pivotally supported at a wiper arm pivotal axis that is fixed to a vehicle body, the wiper arm has a rocking motion between an upper reversing position and a lower reversing position using the wiper arm pivotal axis as a first fulcrum; a blade disposed at the tip end of the wiper arm; a first link having a first end and a second end; a first pivotal axis pivotally supporting the first end of the first link to the wiper arm; a second link having a first end and a second end; a second pivotal axis pivotally supporting the first end of the second link to the second end of the first link; a third pivotal axis supported to the vehicle body and pivotally supporting the second end of the second link at the vehicle side; a rocking motion of the second link using the third pivotal axis as a second fulcrum causes the rocking motion of the wiper arm; and a maximum travel limit of the rocking motion of the wiper arm in at least one reversing position is obtained with the first, second and third pivotal axes are positioned in a substantially straight line.