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Patent Searching and Data


Title:
SEWING MACHINE, SEWING DEVICE, AND SEWING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/064394
Kind Code:
A1
Abstract:
This sewing machine (10) includes: a support plate (19); a presser foot (18); a sewing machine needle (15); lower feed dogs (22) that intermittently feed a material to be sewn (50); guide rollers (31, 38, 39) that rotate in contact with the material to be sewn (50) to guide the material to be sewn (50) between the support plate (19) and the presser foot (18); and a roller drive unit (33) that continuously and rotatingly drives the guide rollers (31, 38, 39). The guide rollers (31, 38, 39) are disposed upstream of at least the location of the sewing machine needle (15) vis-à-vis the direction that the lower feed dogs (22) feed the material to be sewn (50). With this sewing machine (10), overlocking can be automatically and stably performed on the material to be sewn (50) having a curvilinear edge (55b).

Inventors:
UMEKAWA, Toru (200 Yoshida, Kurobe-sh, Toyama 01, 〒9388601, JP)
NISHIDA, Hitomi (200 Yoshida, Kurobe-sh, Toyama 01, 〒9388601, JP)
Application Number:
JP2017/035054
Publication Date:
April 04, 2019
Filing Date:
September 27, 2017
Export Citation:
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Assignee:
YKK CORPORATION (1 Kanda Izumi-cho, Chiyoda-ku Tokyo, 42, 〒1018642, JP)
International Classes:
D05B27/14
Foreign References:
JPS5225853U1977-02-23
JP2000070579A2000-03-07
JPS54135266U1979-09-19
JPH0652774U1994-07-19
Attorney, Agent or Firm:
HAYASHI, Tsukasa et al. (Mutsumi Int. Patent Bureau, p.c. Tousen kanda sudacho Bldg.9F, 28, Kanda-sudacho 1-chome, Chiyoda-k, Tokyo 41, 〒1010041, JP)
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