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:
Dec. 18, 1979
Filed:
Oct. 06, 1977
Applicant:
Inventor:
Ulderico Marcandalli, Milan, IT;
Assignee:
Rockwell-Rimoldi, S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ; D05B / ;
U.S. Cl.
CPC ...
112159 ; 112200 ;
Abstract
An apparatus for controlling movement of a looper while forming zig-zag stitches in a sewing machine. The apparatus is provided with a first drive device for moving and maintaining the looper in alignment with the machine's needle and a second drive device for causing the looper to travel in planes which are parallel when moving to cooperate with the needle in each of its stitch forming positions.