WINDSCREEN WIPER DRIVE DEVICE AND WIPING SYSTEM
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United States of America Patent
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app pub date -
Aug 23, 2017
filing date -
Aug 24, 2016
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Abstract
The invention relates to a drive device 3 comprising an electric motor 10 for driving a windscreen wiper 2 of a motor vehicle in a reciprocating movement and a device for identifying a rest position 4 of said motor 10, said rest position being a position in which the rotation of said motor 10 is stopped in order to stop a reciprocating cycle of the windscreen wiper 2 at the start or end of the upstroke or at the start or end of the downstroke of the windscreen wiper 2, characterized in that said device for identifying a rest position 4 comprises a first and a second angular reference point 20a, 20b, in that said motor 10 is configured for driving said first and second angular reference points 20a, 20b in rotation, the first and second angular reference points 20a, 20b being arranged on a circle C and diametrically opposed, and in that said drive device 3 is configured so that one of the first and second angular reference points 20a, 20b may be chosen to correspond to the rest position 4 of said motor 10.
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