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. 12, 1985
Filed:
Aug. 24, 1983
Charles R Odermann, Montville, NJ (US);
The Singer Company, Stamford, CT (US);
Abstract
A method for implementing winding of a lower thread bobbin in place in a looptaker of a sewing machine from an upper thread supply. A buttonhole pattern in which at least one initial stitch is effected at one end of the buttonhole prior to holding needle bar reciprocation in abeyance while feeding the work material to the other end of the buttonhole, is selected but is utilized without a traveling buttonhole foot which would reinitiate stitching and feeding of the work material. Instead, any other presser foot, or no presser foot, is used so that bobbin winding may proceed after upper thread is initially brought to the lower bobbin, without having thread flow interferred with by needle bar reciprocation.