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. 15, 1991
Filed:
May. 26, 1989
Applicant:
Inventors:
Assignee:
Murata Kikai Kabushiki Kaisha, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
2421 / ; 2421 / ; 242154 ; 2421 / ; 310323 ; 310326 ; 310328 ;
Abstract
An automatic winder is provided with a tension sensor for detecting the tension of travelling yarn in each winding unit and a tensor for controlling the tension of yarn in accordance with a yarn tension variation signal provided from the tension sensor, to thereby eliminate the variation of yarn tension.