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. 08, 1980
Filed:
Mar. 09, 1979
Applicant:
Inventor:
William J Edwards, Cranbury, NJ (US);
Assignee:
The Singer Company, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ; D05B / ;
U.S. Cl.
CPC ...
112 77 ;
Abstract
A buttonhole controlling device for use in causing a sewing machine to form a buttonhole of a selected length, and including means for effecting a reversal in the direction in which material is fed under a sewing needle as required for the formation of a final leg of the buttonhole, is provided with an adjustable stop enabling an operator to precisely define the end position of the final leg and so assure closure of the buttonhole without overlap.