Wiper device, method for manufacturing wiper device, and apparatus for manufacturing wiper device
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United States of America Patent
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Dec 22, 2015
Grant Date -
May 9, 2013
app pub date -
May 15, 2012
filing date -
May 19, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A wiper device includes pivot shafts to which wiper arms are secured, pivot holders, which rotationally support the pivot shafts, coupling shafts, and a pipe frame having cylindrical ends. The cylindrical ends of the pipe frame are coupled to the coupling shafts. The coupling shafts each include a swaging part, which is swaged to the corresponding cylindrical end, and a flat portion, which is located at part of the coupling shaft exposed from the pipe frame. The flat portions have a predetermined angle with respect to the swaging direction of the swaging and are parallel to the axis of the coupling shafts.
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