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. 21, 1987
Filed:
Mar. 17, 1986
Applicant:
Inventors:
Robert B Brauch, Wayne, NJ (US);
Pao-Ter Huang, Edison, NJ (US);
Assignee:
The Singer Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112448 ; 112466 ;
Abstract
A sewing machine having feed control linkage spring biased in one direction and manual selector cams effecting feed control linkage settings in buttonhole stitch formation, one selector cam including a projection effecting abnormal control linkage position from which the control linkage shifts to final setting in the spring bias direction.