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:
Mar. 15, 2011
Filed:
Jan. 25, 2007
Masaki Shimizu, Toyoake, JP;
Masaki Shimizu, Toyoake, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
In a sewing machine, a control device is configured to execute a needle thread cutting operation including driving a movable cutting blade to a predetermined pivot location, driving a wiper driving mechanism for protruding a wiper by a predetermined stroke, driving the thread take-up driving mechanism to lower the thread take-up by a predetermined distance, driving a wiper driving mechanism to draw back the wiper by a predetermined amount corresponding to the lowering of the thread take-up, driving the movable cutting blade to a standby position, driving the thread tension adjusting mechanism to release a thread tension adjusting mechanism, and driving the thread take-up driving mechanism to move the thread take-up to an original uppermost position.