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:
Oct. 28, 1997
Filed:
Jul. 03, 1995
Minoru Sakanobe, Komaki, JP;
Masao Ogawa, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Aichi-ken, JP;
Abstract
A sewing machine includes a stitch forming device which forms stitches on a work sheet by locking an upper and a lower thread with each other, and a tension changing device which changes a tension of the lower thread to stop supplying of the lower thread to the stitch forming device at a predetermined timing. A sewing machine for forming stitches on a work sheet by locking an upper and a lower thread with each other, includes a pattern selecting device which selects one of a plurality of different stitch patterns, a detecting device which detects the selected one stitch pattern, and a tension changing device which changes, based on the detected one stitch pattern, a maximum tension of the lower thread to a corresponding one of a plurality of different tension values.