Title:
SEWING MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/043813
Kind Code:
A1
Abstract:
A sewing machine (100) is provided with: a shuttle (132) which captures a needle thread inserted in a needle hole of a sewing needle (131) so as to entangle the needle thread with a bobbin thread; a thread take-up lever (133) having a small hole in which the needle thread is inserted; a conveyance means (P1) which conveys an object to be sewn; a center presser (135) which prevents raising of the object to be sewn; a drive source (136) which drives the center presser (135); and a tension monitoring unit which monitors the tension of the needle thread on the basis of a load that is applied from the needle thread to the center presser (135) when the needle thread comes into contact with the center presser (135) during conveyance of the object to be sewn by the conveyance means (P1).
Inventors:
KAI TAKASHI (JP)
UENO TOICHI (JP)
YOSHIDA SHUNSUKE (JP)
WAKAYAMA SHIRO (JP)
HAMADA NOBUAKI (JP)
SAKAGAMI RYOTA (JP)
IKUSHIMA YUSUKE (JP)
TANIKAWA SHIN (JP)
UENO TOICHI (JP)
YOSHIDA SHUNSUKE (JP)
WAKAYAMA SHIRO (JP)
HAMADA NOBUAKI (JP)
SAKAGAMI RYOTA (JP)
IKUSHIMA YUSUKE (JP)
TANIKAWA SHIN (JP)
Application Number:
PCT/JP2017/031065
Publication Date:
March 07, 2019
Filing Date:
August 30, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
D05B47/04; D05B29/00
Domestic Patent References:
| WO2017175526A1 | 2017-10-12 |
Foreign References:
| JP2009011544A | 2009-01-22 | |||
| JP2013162859A | 2013-08-22 | |||
| JP2006187417A | 2006-07-20 | |||
| JP2009089823A | 2009-04-30 | |||
| JP2014161461A | 2014-09-08 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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