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:
Oct. 25, 1983
Filed:
Jul. 06, 1982
Applicant:
Inventors:
Jan Szostak, Lincroft, NJ (US);
Henry Schaeflern, Pittstown, NJ (US);
Assignee:
The Singer Company, Stamford, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
1121 / ;
Abstract
A pattern cam selector mechanism for sewing machines including a pattern cam follower retracting arrangement employing a slidable control block formed with a pair of substantially identical cam tracks disposed laterally opposite each other in mirror image relation, one tracked by a retracting linkage and the other tracked by a stationary abutment pin thereby to minimize functional forces incident to operation of this cam selector mechanism.