(19)
(11) EP 2 388 223 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.11.2012 Bulletin 2012/46

(43) Date of publication A2:
23.11.2011 Bulletin 2011/47

(21) Application number: 11161057.2

(22) Date of filing: 04.04.2011
(51) International Patent Classification (IPC): 
B65H 49/06(2006.01)
 B65H 67/02(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 17.05.2010 JP 2010113586

(71) Applicant: Murata Machinery, Ltd.
Minami-ku Kyoto-shi Kyoto 601-8326 (JP)

(72) Inventor:
  • Umeoka, Toshinari
    Kyoto Kyoto 612-8686 (JP)

(74) Representative: Beck, Alexander et al
Hansmann & Vogeser Patent- und Rechtsanwälte Maximilianstraße 4b
82319 Starnberg
82319 Starnberg (DE)

   


(54) Winding unit and yarn winding machine equipped with the same


(57) To provide a winding unit in which a position of a yarn feeding bobbin at an unwinding position can be easily and accurately adjusted according to a shape and type of the yarn feeding bobbin. As means for achieving such an object, a winder unit (winding unit) (4) of the present embodiment includes a main axis member (80), a drive portion (200), and a stepping motor controller. The main axis member (80) defines a position of the yarn feeding bobbin. The drive portion (200) for driving to adjust a position of the main axis member (80) at the unwinding position where a yarn of the yarn feeding bobbin is unwound. The stepping motor controller controls a stepping motor (100) of the drive portion (200).







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