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. 14, 1986
Filed:
Nov. 01, 1985
Applicant:
Inventor:
Ulderico Marcandalli, Milan, IT;
Assignee:
Rockwell-Rimoldi S.p.A., , IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112221 ; 74600 ;
Abstract
A needle bar actuating device for double chain stitch and/or overlock sewing machines provided with a driving crank, one crank pin of which has three angularly differentiated reference surfaces in order to define an equal number of positions and lengths for said driving crank with respect to its axis of rotation; to each of said positions and lengths corresponding a different predetermined stroke length of the needle bar.