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. 20, 1982
Filed:
Nov. 12, 1980
Applicant:
Inventors:
Robert B Brauch, Wayne, NJ (US);
Martin W Heine, Summit, NJ (US);
Assignee:
The Singer Company, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112292 ; 112299 ;
Abstract
An omni-directional thread cutter in a sewing machine including an annular groove formed in the cylindrical surface of the presser bar. The lower surface of the groove forms an acute angle with the cylindrical surface thereby forming a sharp cutting edge.