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:
May. 04, 1999
Filed:
Apr. 17, 1997
Applicant:
Inventors:
Dieter Schopf, Gerlingen, DE;
Hans-Dieter Bartholoma, Filderstadt, DE;
Assignee:
Union Special GmbH, Hemmingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112241 ; 112302 ;
Abstract
A thread control device for a chainstitch sewing machine comprises a thread feeder which is moved simultaneously with the stitching needle by the drive means for the stitching needle. The thread feeder is attached in such a manner as to be able to oscillate at a pivot drive which is allocated to a shaft rotatably mounted in the upper arm casing of the sewing machine.