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:
Sep. 29, 2020
Filed:
Mar. 08, 2019
Applicant:
Janome Sewing Machine Co., Ltd., Hachioji-shi, Tokyo, JP;
Inventors:
Saki Ishikawa, Hachioji, JP;
Koji Maeda, Hachioji, JP;
Assignee:
JANOME SEWING MACHINE CO., LTD., Hachioji-shi, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D05B 73/12 (2006.01); D05B 73/00 (2006.01); F16B 1/00 (2006.01);
U.S. Cl.
CPC ...
D05B 73/12 (2013.01); D05B 73/005 (2013.01); F16B 2001/0035 (2013.01);
Abstract
In order to improve detachability of a needle plate, a needle plate detachable mechanism has a needle plate which is provided on a bed part of the sewing machine and made of a magnetic body; a magnet which is provided below the needle plate for fixing the needle plate by magnetic force; and a magnetic force changing mechanism which is connected with the magnet for changing the magnetic force acting on the needle plate by relatively moving the magnet with respect to the needle plate.