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:
Jun. 11, 1991
Filed:
Sep. 28, 1989
Applicant:
Inventors:
Assignee:
Murata Kikai Kabushiki Kaisha, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01H / ; D01H / ; D01H / ;
U.S. Cl.
CPC ...
19260 ; 19244 ; 19258 ; 19261 ; 19240 ; 19293 ; 19236 ;
Abstract
A draft mechanism for use on a spinning machine includes a series of roller pairs each including a bottom roller and a top roller. The roller pairs are connected to output shafts of motors through the use of timing belts. The motors are electrically controlled according to the draft ratios. Roller gauge adjusting shafts are meshed with bearing portions of the top and bottom rollers. '