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. 19, 1976
Filed:
May. 21, 1975
Applicant:
Inventors:
Tatemi Fukuda, Oobu, JA;
Yoshiaki Yoshida, Kariya, JA;
Assignees:
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Osaka, JA;
Dawa Boseki Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ;
U.S. Cl.
CPC ...
57 5889 ; 57 774 ;
Abstract
An improved thread-draw-off guide attached to a spinning rotor of an open-end spinning unit. The thread-draw-off guide is provided with a cylindrical annular guide portion and a radial outer surface extended outward from the cylindrical annular guide portion and the above-mentioned radial outer surface is formed with a roughened friction surface characterized in that the coefficient of friction thereof against a yarn in a radial direction is smaller than the coefficient of friction thereof against a yarn in a concentric direction thereof.