Windshield wiper
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 15, 1991
Grant Date -
N/A
app pub date -
Nov 7, 1989
filing date -
Nov 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A windshield wiper including an arm head rotatably connected to a stationary part of a vehicle, a main arm rotatively supported on the arm head and having a wiper blade thereon, and a sub-arm supporting a wing and being rotatively supported on the arm head. The axis of the rotative movement of the sub-arm and that of the main arm make an acute angle therebetween whereby a part of the air force acting on the wing is transmitted to the main arm as determined by a partial force defined by the acute angle.
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Family
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Cited Art Landscape
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