Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TWO-NEEDLE SEWING MACHINE AND TWO-NEEDLE SEWING MACHINE STITCH FORMING METHOD
Document Type and Number:
WIPO Patent Application WO/2011/155091
Kind Code:
A1
Abstract:
Disclosed is a two-needle sewing machine that improves strength in a convex curve part by bringing a pair of stitches close together when sewing an item to be sewed that comprises the convex curve part. A two-needle sewing machine (1) comprises a bed part (3); a column part (5); an arm part (6); a needle shaft (11) that is disposed on the leading part of the arm part (6); two sewing needles (13, 14) that are attached to the needle shaft (11); two horizontal rotary hooks (15, 16) that catch the respective needle thread loops of the two sewing needles (13, 14); and a conveyor member (21) that conveys a material to be sewed (40) in a direction approximately orthogonal to the bed part (3). On the two-needle sewing machine (1), the sewing needle (13), which is positioned in a location further from the column part (5), is disposed closer to the conveyance side of the material to be sewed (40) than the sewing needle (14) that is positioned in a location closer to the column part (5).

Inventors:
ASAO HIDEO (JP)
NISHI NOBUHIRO (JP)
Application Number:
JP2010/073504
Publication Date:
December 15, 2011
Filing Date:
December 27, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MIDORI ANZEN CO LTD (JP)
MIDORI ANZEN HOUGI CO LTD (JP)
ASAO HIDEO (JP)
NISHI NOBUHIRO (JP)
International Classes:
D05B1/12
Domestic Patent References:
WO2009113337A12009-09-17
Foreign References:
JPH05210527A1993-08-20
JP4456846B22010-04-28
Other References:
See also references of EP 2581481A4
Attorney, Agent or Firm:
TAKADA, SHUJI (JP)
Shuji Takada (JP)
Download PDF:
Claims: