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:
Dec. 05, 2017
Filed:
Feb. 03, 2016
Janome Sewing Machine Co., Ltd., Hachioji-shi, Tokyo, JP;
Takeshi Oie, Hachioji, JP;
JANOME SEWING MACHINE CO., LTD., Hachioji-Shi, Tokyo, JP;
Abstract
A sewing machine is provided, which has lower feed teeth which feed a sewing object by a lower feed drive mechanism having a lower drive shaftas a drive source and upper feed teeth which are driven by an upper feed shaft that is coupled to and driven by the lower feed drive mechanism. The sewing machine is provided with an upper feed lower shaftwhich is supported rotatably on a machine main body and is coupled to the lower feed drive mechanism, an upper feed coupling section which transmits movement of the upper feed lower shaft to the upper feed shaft, and a transmission control section which controls halting and restarting of transmission of movement of the upper feed lower shaft. The upper feed coupling section is held at a movement transmission halt position by operation of the transmission control section.