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.

Date of Patent:
Jan. 05, 2021

Filed:

Mar. 08, 2019
Applicant:

Janome Sewing Machine Co., Ltd., Tokyo, JP;

Inventors:

Osamu Yanagisawa, Hachioji, JP;

Hideo Suzuki, Hachioji, JP;

Shinichi Kato, Hachioji, JP;

Jun Mafune, Hachioji, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant 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 1/00 (2013.01); F16B 2001/0035 (2013.01);
Abstract

In order to prevent a replacement of the needle plate in the situation not suitable for replacing the needle plate, a needle plate detachable mechanism has a needle plate fixing unit for fixing a needle plate on a sewing machine body; a releasing unit for releasing a fixed state of the needle plate; and a fixing-release limiting unit for limiting a release of the fixed state of the needle plate when the needle is positioned below an upper surface of the needle plate or when the sewing machine motor is driven.


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