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:
Jul. 30, 1996
Filed:
Dec. 09, 1994
Applicant:
Inventors:
Dieter Schopf, Gerlingen, DE;
Manfred Rosnitscheck, Leonberg, DE;
Assignee:
Union Special GmbH, Hemmingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112220 ; 112199 ;
Abstract
A looper drive for a chain stitch sewing machine that includes a flexible connection that includes an intermediate guide rod that extends between a crank arm and the looper shaft. The intermediate guide rod is mounted to pivot on the crank arm and is constructed to allow a receptacle that is carried by the looper shaft to swivel or oscillate relative thereto. The intermediate guide rod carries a ball which extends into a cylindrical-shaped opening formed in the receptacle.