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Class 139/108 - For positive


Subclass of Class 139 - Textiles: weaving
Definition: A positive actuator is controlled.
No. of patents: 5
Last issue date: 06/06/2000


NumberTitleIssue Date
6070619Easing roller control method
A method of controlling the easing motion (1) of a loom executes a position control operation and a tension control operation successively in one weaving cycle of the loom. The position of an easing roller (6) included in the easing motion (1) is measured...
06/06/2000
4529012Apparatus for controlling motor-driven let-off motion for looms
An apparatus for controlling a let-off motion in a loom having a let-off motion motor includes a tension detector for detecting a warp tension to produce a tension correction signal, a control unit responsive to the tension correction signal for producing...
07/16/1985
4227554Device for regulating the winding tension of woven fabric on a loom
A loom has a winding system comprising a tension roller and a storage roller connected by means of an endless chain whereby the storage roller is driven by the tension roller with the interposition of a friction mechanism. A follower roller, in contact wi...
10/14/1980
4224967Warp tension control mechanism for loom
In order to keep the tensions applied to the warp yarns within a predetermined range throughout the weaving operation of the loom, an improved warp tension control mechanism is herein proposed which generally comprises a length regulating mechanism for re...
09/30/1980
3930523Control mechanism for automatically operated warp beams with automatic setting
In a control mechanism for automatically operating a warp beam in a loom, a comparison regulator is associated with a thread guide roller over which the warp passes and the regulator, through a cam arrangement, operates micro-switches for controlling the ...
01/06/1976
 
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