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. 05, 1994
Filed:
Nov. 09, 1992
Yoshiharu Tomoto, Gifu, JP;
Hiroshi Nagaosa, Inazawa, JP;
Howa Machinery, Ltd., Aichi, JP;
Abstract
A creel device for a drawing frame, having a drive train for lifting rollers for taking out slivers from respective cans. In one embodiment, the cans are divided into two groups each constructed at consecutively located cans. The drive train is divided into two sections for driving respective lifting rollers for respective groups of cans. The basic section is for driving lifting rollers for the group adjacent the draft part, and the second section is for driving lifting rollers from the group remote from the drafting part. The first section is connected to a rotating movement source in the machine frame, while the second section is connected to a variable speed motor. The speed of the variable motor is set so that a predetermined ratio is obtained between the rotational speed of the lifting rollers of the second group and the rotational speed of the lifting rollers of the first group, so that a substantially equal tension is obtained between the sliver taken out from the can adjacent the draft part in the first group and the sliver taken out from the can adjacent the draft part in the second group.