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:
Aug. 29, 1995
Filed:
Sep. 20, 1994
Applicant:
Inventor:
Hans-Dieter Bartholoma, Filderstadt, DE;
Assignee:
Union Special GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ; D05B / ;
U.S. Cl.
CPC ...
112199 ; 112 11 ; 112169 ;
Abstract
A looper (2) for single-thread chainstitch sewing machines comprises for the purpose of forming a chainstitch a thread guiding surface (22), which is disposed substantially parallel to the feed path of the looper. A thread driving device (23) and a thread retaining device (24), which is formed as a retaining step (25), render possible the interlinking of a sewing thread (8) with itself. (FIG. 1 )