Wiper system for a vehicle
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United States of America Patent
Stats
-
Nov 13, 2001
Grant Date -
N/A
app pub date -
Dec 17, 1998
filing date -
Dec 22, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A wiper for a vehicle is provided with a quadric linking mechanism wherein a main lever and a sub-lever are connected to an arm head. The range of the rotation angle of the main lever is set in such a way that the angular velocity of rotation of the wiper arm is within a range of from 0.75 to 1.25 times (fluctuating within a range of .+-.25%) the angular velocity of rotation of the main lever, and the pitches between connecting shafts of the quadric linking mechanism consisting of each lever are set in such a way that the wiper arm pivots by a predetermined angle within said range of the rotation angle of the main lever. Therefore, not only is the wiping range enlarged, but a driver is not made to feel uncomfortable because the movement of the wiper arm is smooth and the fluctuation range of the angular velocity of rotation does not become too large.
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Family
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Cited Art Landscape
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