Wiper system for motor vehicles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 11, 1988
Grant Date -
N/A
app pub date -
Jun 2, 1987
filing date -
Jun 3, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a wiper system for motor vehicles or the like, comprising at least one wiper arm guided and actuated in a complex movement by a kinematic chain or mechanical linkage which comprises a first bar (2) actuated in an oscillating movement by a motor (63), a second bar (3) pivotally connected (23) to the first bar (2) and rigidly attached to the wiper arm, a third bar (4) articulated (34) to the second bar (3) and a fourth bar (5) secured to the vehicle body at one of its ends and torically connected to the third bar (4) at the other of its ends, said toric connection being materialized by a joint (45) made of an elastomer material. The kinematic chain and wiper arm are driven by a second kinematic chain or mechanical linkage which comprises a motor (63), a crank (64) and bar (65) with the bar (65) being pivotally connected to bar (62) rigidly connected to pivot shaft (61) connected to first bar (2). In its rest position said joint can, for example, have the form of an element of revolution provided with a torically shaped recess.
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