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:
Mar. 31, 1992
Filed:
Apr. 20, 1990
Hideaki Kobayashi, Sakura, JP;
Takeshi Obata, Narashino, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A spinning machine and method of control thereof wherein the spinning machine includes spindles for winding twistings or single yarns and including peripheral equipment for the spindles wherein the spindles and peripheral equipment are individually driven. A speed detector detects the rotation speed of at least one of the spindles and the peripheral machinery and a speed control arrangement is provided for controlling the speed of one of the spindles and the peripheral equipment in response to the detected speed so as to enable operation of the spindles and the peripheral machinery in a corresponding or synchronized manner. By the synchronized operation of the spindles and the peripheral machinery, yarns of excellent quality can be obtained.