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Title:
DRIVE DEVICE FOR SEWING MACHINE SEWING FRAME
Document Type and Number:
WIPO Patent Application WO/2011/033969
Kind Code:
A1
Abstract:
Disclosed is a drive device for a sewing machine sewing frame, with which distortion of the sewing frame is prevented and the sewing frame can be very accurately positioned. A longitudinal-direction drive unit (70) for driving a sewing frame (50) in the longitudinal direction comprises ball screws (86, 106), motors (84, 104) and mobile members (87, 107), and an engaging roller (92) of the mobile member (87) engages with a long-side part (52) of the sewing frame, while an engaging roller (112) of the mobile member (107) engages with a long-side part (54). The mobile members (87, 107) of a longitudinal-direction drive unit (71) are connected to short-side parts (56, 58) of the sewing frame (50). The ball screw (86) and the ball screw (106) of the longitudinal-direction drive units (70, 71) are linked by means of a linking member (124). A mobile member (137) of a lateral-direction drive unit (130) supports the longitudinal-direction drive unit (71).

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Inventors:
FUJIURA MITSUHIRO (JP)
NAKANISHI TERUO (JP)
UENISHI HIROTSUGU (JP)
Application Number:
PCT/JP2010/065330
Publication Date:
March 24, 2011
Filing Date:
September 07, 2010
Export Citation:
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Assignee:
NSD CORP (JP)
FUJIURA MITSUHIRO (JP)
NAKANISHI TERUO (JP)
UENISHI HIROTSUGU (JP)
International Classes:
D05B39/00; D05C9/06
Foreign References:
JP2005065960A2005-03-17
JP2005065959A2005-03-17
JP2003336162A2003-11-28
JP2002102571A2002-04-09
JP2006255037A2006-09-28
JPH09176957A1997-07-08
JPS5644661U1981-04-22
JP2005065960A2005-03-17
JP2005065959A2005-03-17
JP2003336162A2003-11-28
JP2002102571A2002-04-09
Other References:
See also references of EP 2479333A4
A FIFTH MOVABLE MEMBER, vol. 137, pages 195 - 13
A THIRD ACTUATION BLOCK, vol. 134, pages 195 - 8
Attorney, Agent or Firm:
NAGAYA, Naoki (JP)
Naoki Nagaya (JP)
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