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:
Jun. 06, 1978
Filed:
Dec. 27, 1976
Applicant:
Inventor:
Warren Dean Knowles, Clark, NJ (US);
Assignee:
The Singer Company, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112254 ;
Abstract
A tension disc assembly for tension devices, used for controlling thread on sewing machines, which is formed with a relatively large supporting frame into which a hardened tension disc is secured. The supporting frame allows the use of a standard-sized tension disc while serving as a guide for threading single and multi thread tension devices.