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:
Apr. 16, 1991
Filed:
Jul. 03, 1989
Kiyoshi Kawakubo, Tochigi, JP;
Shuichi Sato, Tochigi, JP;
SSMC Inc., Edison, NJ (US);
Abstract
A thread end guide groove communicating with a needle location groove is defined in a cloth presser foot. A knife is secured to the rear surface of the cloth presser foot and extends across the thread end guide groove. A needle thread restriction plate is provided on the cloth presser foot and open at the side of a thread end holder. The needle thread restriction plate covers the upper surface of the thread end guide groove so that an inclined angle .theta.1 defined between an inclined portion of the needle thread restriction plate and a sewn material is set to be greater than an inclination angle .theta.2 defined between the extension thread and the sewn material.