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. 13, 1990
Filed:
Mar. 11, 1988
Applicant:
Inventors:
Susumu Hanyu, Tokyo, JP;
Mikio Koike, Tokyo, JP;
Assignee:
Janome Sewing Machine, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112302 ; 112241 ; 112254 ;
Abstract
A thread guiding device in a sewing machine comprising a guide path for guiding an upper thread from a thread source to a needle and defined by a first thread guide, a pair of discs for releasably holding an upper thread, and a second thread guide formed by a spring hook of a thread tension spring member and an end portion of a take-up lever, the first and second thread guide and the thread tension spring member lying in a common plane to define a straight-line guide path.