Winding device and winding method for edgewise coil
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United States of America Patent
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Mar 15, 2016
Grant Date -
Dec 19, 2013
app pub date -
Jun 12, 2013
filing date -
Jun 13, 2012
priority date (Note) -
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Abstract
A winding device includes a bending mechanism for bending a rectangular wire, a feed mechanism for feeding the rectangular wire, a coil guide for supporting an edgewise coil formed by alternately repeating the feeding of the rectangular wire by the feed mechanism and the bending of the rectangular wire by the bending mechanism, and a coil-guide moving mechanism for moving the coil guide while rotating the coil guide. The coil guide includes a guide column to be brought into engagement with an inner circumference of a first coil portion having a cylindrical shape, and a guide base on which a second coil portion is to be placed, the second coil portion having a cylindrical shape connected to the first coil portion through a connecting wire and having a center axis that is shifted in position from a center axis of the first coil portion to form a stepwise shape.
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