The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 06, 2012
Filed:
Apr. 24, 2009
Hideo Asao, Chofu, JP;
Nobuhiro Nishi, Chofu, JP;
Hideo Asao, Chofu, JP;
Nobuhiro Nishi, Chofu, JP;
Midori Anzen Co., Ltd., Shibuya-Ku, Tokyo, JP;
Midori Anzen Hougi Co., Ltd., Chofu-Shi, Tokyo, JP;
Abstract
The present invention provides a sewing machine that can perform zigzag sewing a cylindrical sewn article. A sewing machineincludes an approximately cylindrical guide memberthat guides a sewn article A, a sewing needlethat sews the cylindrical sewn article A, a holding memberthat holds the sewing needleapproximately vertically, a vertical hookprovided in the guide memberso that the direction of rotation is approximately perpendicular to the axial direction C of the guide memberand that catches the upper thread loop of the sewing needle, a rotary shaftthat rotates the vertical hook, and an operating meansthat moves the holding memberand the rotary shaftreciprocatingly at approximately the same time.