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, 1988
Filed:
Aug. 31, 1987
Applicant:
Inventor:
Wolf R Von Hagen, Hemmingen, DE;
Assignee:
Union Special G.m.b.H., Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ; D05B / ; D05B / ;
U.S. Cl.
CPC ...
112199 ; 112256 ;
Abstract
A looper drive for a chainstitch sewing machine comprising a rigid guide stud which is part of a support member for a looper shaft. The rigid guide stud is surrounded by a bushing which is swivably mounted on the guide stud. The guide stud as well as the bushing are provided with openings through which the looper shaft extends.