Apparatus and method for manufacturing non-circular coil
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United States of America Patent
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Jan 19, 2016
Grant Date -
Dec 26, 2013
app pub date -
Jun 25, 2013
filing date -
Jun 26, 2012
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Abstract
An apparatus for manufacturing a non-circular coil, includes a pair of swinging pieces, an operation piece to be inserted and removed from between the distal ends of the pair of swinging pieces to increase or reduce the distance between the distal ends of the pair of swinging pieces, and a winding mechanism for winding a wire around an outer circumference of a distal end of the pair of swinging pieces so as to form a non-circular coil, wherein side surfaces of the operation piece, which avoid contact with the pair of swinging pieces, bulge outward to be curved and are formed so as to be continuous with outer circumferential surfaces of the pair of swinging pieces, around which the wire is wound, in a state in which the operation piece is inserted between the distal ends of the pair of swinging pieces.
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