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:
Sep. 10, 1991
Filed:
Oct. 16, 1989
Bruno Maina, Valdengo, IT;
Roj Electrotex S.p.A., Biella, IT;
Abstract
In a measuring weft feeder for fluid jet looms, comprising a weft yarn reserve winding unit with variable turn length of the weft yarn that length can be adjusted with a single operation. For this purpose, the winding unit comprises a drum of adjustable diameter, formed by associating a fixed eccentric cylinder with a plurality of movable rods, parallel to the axis of the cylinder and surrounding a wide portion of its periphery, the distance of the rods from the cylinder being variable and adjustable for each rod or for groups of rods. For each rod or group of rods, a control arm is provided slidable in a guide of the winding unit positioned perpendicularly to the axis of the unit, the arms being movable simultaneously in the respective guides under the control of a single operating member.