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Title:
MOTOR WINDING BOBBIN
Document Type and Number:
WIPO Patent Application WO/2021/106674
Kind Code:
A1
Abstract:
This motor winding bobbin is provided with: a cylindrical winding drum having a winding region for winding a wire rod around the outer circumferential surface; a flange projecting from the cylindrical outer circumferential surface toward the outer circumferential direction at at least one end of the winding region; and a winding start groove provided on the surface on the winding region side of the flange from the outer circumferential surface toward the outer circumferential edge of the flange. This makes it possible to reduce stress exerted on the wire rod and send out a continuous winding.

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JPH10189379TOROIDAL COIL WINDING DEVICE
JPH0467753MOTOR
Inventors:
SHIOTANI YASUHITO
Application Number:
PCT/JP2020/042742
Publication Date:
June 03, 2021
Filing Date:
November 17, 2020
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K15/04; B65H75/14; B65H75/18; H01F41/06
Foreign References:
JP2000083336A2000-03-21
JPS61125003U1986-08-06
JP2019175972A2019-10-10
JP2013028447A2013-02-07
JPS61173469U1986-10-28
JPS5756657U1982-04-02
JPH0395385U1991-09-27
JPS5647177Y21981-11-05
JP2007165757A2007-06-28
JP2010010429A2010-01-14
JP2018007352A2018-01-11
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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