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:
Apr. 14, 1987
Filed:
May. 18, 1984
Applicant:
Inventor:
Jakob Stapfer, Horgen, CH;
Assignee:
Rieter Machine Works, Ltd., Winterthur, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ;
U.S. Cl.
CPC ...
57263 ; 57 80 ; 57405 ; 242 / ;
Abstract
The travelling piecer is provided with a threading pin which moves through an endless path in order to thread a seed yarn through the nip rolls of a spinning station and a yarn reserve forming device. The yarn centering mechanism employing a pair of pivotally mounted guide arms is used to position an accessible length of seed yarn in a position to be taken up by the threading pin.