Coil forming method and coil forming device

Details Coil forming method and coil forming device Coil forming method and coil forming device

2007-12-25

2007-12-25

Marcelo, Emmanuel M (Department: 3654)

Winding, tensioning, or guiding

Composite article winding

On irregularly shaped core

C242S443000, C242S445100, C242S448000

Reexamination Certificate

active

10497945

ABSTRACT:
A coil forming apparatus for forming a continuous-pole coil having a plurality of single-pole coils includes a winding jig rotatable around a center swing axis. The winding jig includes: a holder rotatable around a center axis of rotation different from center swing axis; and a plurality of coil bobbins arranged around said holder and mounted for reciprocal movement between advanced and retracted positions relative to the holder. Each individual coil bobbin has a winding axes which can be aligned with the center swing axis by turning the winding jig around the center axis of rotation. The single-pole coils having little twist can be stably formed for any coil bobbin to thereby form the continuous-pole coil.

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