US806065A - Winder. - Google Patents

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Publication number
US806065A
US806065A US25614905A US1905256149A US806065A US 806065 A US806065 A US 806065A US 25614905 A US25614905 A US 25614905A US 1905256149 A US1905256149 A US 1905256149A US 806065 A US806065 A US 806065A
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Prior art keywords
yarn
tension
scraper
drop
cop
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Expired - Lifetime
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US25614905A
Inventor
Clarence N Childs
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OLIVER H MOULTON
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OLIVER H MOULTON
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Application filed by OLIVER H MOULTON filed Critical OLIVER H MOULTON
Priority to US25614905A priority Critical patent/US806065A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/31Textiles threads or artificial strands of filaments

Description

CLARENCE N. OHILDS, OF LOWELL, MASSACHUSETTS, ASSIGNOR OF' ONE- HALF TO OLIVER H. MOULTON,
OF LOWELL, MASSACHUSETTS.
W INDER.
Specification of Letters Patent.
Patented Nov. 28,1905.
Application filed Apri1'17, 1905. Serial No. 256,149.
To all whom it may concern/.
Be it known that I, CLARENCE N. CHILDs, a 1 citizen of the United States, residing'at Lowell, in the county of Middlesex and Commonwealth of Massachusetts,-have invented a certain new and useful Improvement in .Winders, of which the following is a specification,
This invention, relates to winders or machines for winding yarn (or thread) upon copholdersas bobbins,tubes,cones,or spindles,- into conical cylindrical cops or other packages. Usually in machines of the kind herein de scribed the yarn is drawn by the rotation of a cop-holder-as a bobbin, tube, or cone through a tension device commonly called the tension, through adrop or drop-wire suspended on the yarn, and through a travers i'ng yarn-guide to said cop-holder. When the yarn in such a machine is exhausted or broken between the tension and the cop-holder, the
drop falls into the path of a moving piece and is thereby moved to eflect or permit the operation of the stop-motion. In winding-machines of the class referred to the cop-holder and cop are usually rotated by frictional contact with a positively-driven drum and the stop-motion is operated not to stop the drum, but to raise the cop out of such contact. Sometimes a. yarn-scraper is interposed between the drop and the yarn-guide proper to remove lint, waste, and short pieces of yarn fromthe yarn being wound and to arrest knots of such a size as to interfere with the subsequent uses of the yarnin hosiery-yarn, for instance, to
prevent knots too large to pass through the needles of a knitting-machine from being Wound into the cop. This yarn-scraper is commonly -called a yarn-guide? but from its function in the machine hereinafter descibed it might properly be called a yarnscraper and knot-arrester. Said guide, scraper, or catcher consists of two plates arranged in the sameplane and slightly sepa rated to scrape or clean the yarn passing be: tween said plates and to prevent the passage between them of a knot or bunch exceeding a predetermined size. Where a knot or bunch is stopped by the. yarn-scraper, the yarn is broken between the scraper and the cop; but .the knot or bunch frequently becomes wedged between the plates, so that the yarn is held "stretched between the scraper and the tension device and does not permit the falling of the drop-wire and the operation of the stop-m0- tion. -The cop is therefore not lifted out of contact with the driving-drum and continues to revolve, which causes a softening of the necessary to unwind and rewind a part of the cop. When the cop is not raised from the drum by the stop-motion,there is nothing to indicate *to the attendant, without a careful inspection, that the yarn is broken. It will be understood that there are a plurality of driving-drums and cops in a single frame or machinein the largest machines as many as one hundred drums, arranged fifty on a side thus making the machine from thirty to forty feet in length, so that if the operative is busy in piecing up the broken yarns at one end of the Winder it would be impossible for her to see the broken yarns at the other end on the same side or to see broken threads on the other side of the machine at a comparatively short distance away. Hence the cop is likely to revolve for a considerable time after the yarn is broken between the yarn-scraper and the cop. The use of the,yarnscraper, therefore, to a great extent prevents the operation of the stop-motion.
I provide means for permitting the fall of the drop-wire when a knot'or bunch in the yarn.
the winding of the yarn on the cop will we vent the yarn between the scraper and the tension device from slackening sufliciently 'to lower the drop-wire. When the yarn stops running through'the scraper, the approach of the tension device toward the drop-wire slackens the yarn and allows the drop-wire to fall;
In.the accompanying drawings, Figure 1 is a transverse section of a part of a winder, showing in side elevation all the parts neces-- sary to the understanding of this invention; Fig. 2, a front elevation of the drop-wire and its holder; Fig. 3, a front elevation ofa yarnscraper; Fig. 4, a front elevation of a tension device and its supporting rock-shaft,
- out of contact with the drum D, the lever F,
turning on a fixed axis fand carrying a weight f at one end and at the other end at f 2 hearing against the under side of the cradle e, the stop-motion slide Gr, pivoted at g to the lever F between the fulcrumfand the weightf and supported in a stationary fork 0, which permits the longitudinal movement of said slidethese parts are all of the usual construction and operation, abolt g adjustable in the slot 9, securing to said slide a downhanging arm g having a lateral extension g, the front of which normally rests against the rear end of the normally horizontal part 7b of the drop- -wire holder 7a, as indicated by full lines in Fig. 1, the drop-wireH having avertical pivotslot 7L which allows it. to be held out of the path of the projections j on the knock-off wheel J, driven bya beltj from a pulley on the main shaft. The yarn-guide K, caused to traverse by the usual means to distribute the yarn over the length of the cop E, the yarn-scraper, and knot-catcher L, also commonly called a yarn-guide and consisting of two platesZ Z, lying in the same substantially vertical plane and separated by a narrow horizontal slit Z through which the yarn passes from the dropwire, the tension device M, Fig. 4:, represented as consisting of two disks m m, pressed against a yarn N, passing between them by a spring m are all of the usual construction and operation except as hereinafter specified.
The lower plate Z of the yarn-scraper is movable in the usual manner to allow the thread to be passed through the yarn-scraper.
The tension-disks m m are supported on a horizontal rod m which projects horizontally from a bracket m, rigidly secured to the horizontal tension-rail m, which is usually immovably held from turning.
The yarn passes from a skein, ball, or from a bobbin 0, as herein represented, between the tension-disks m on through an eye lbs, with which the upper end of the drop-wire H is provided, through a knot-scraper L and yarn-guide K to the cop E, the drop-wire being held in the position shown in full lines in Fig. l by the tension of the yarn between the tension device and the cop.
Instead of a stationary tension-rail m I use a rock-shaft that is, I arrange said rail to turn in the brackets a, which commonly support said rail, (only one such bracket being show n,) and I provide said rail with a radial arm m rigidly secured thereto and connected by a link m to a wrist-pin m on a gear m the latter being engaged by a pinion m", rotary with the pulley m said pulley being driven by a band m from another pulley 1/1 fast on the main shaft B. The pulley m and pinion m are both fast on a short shaft m which turns in a bracket m, bolted to an upright part a of the frame A.
In order that the distance which the tension moves be regulated and that the speed of its movement toward and from the drop-wire may be adjusted, the arm m of the tension rock-shaft is provided with a plurality of holes m at different distances from said rockshaft, in either one of which holes the stud or bolt m which connects the upper end of the link m to said arm, may be inserted.
Obviously the rotation of the shaft B causes the tension to move alternately toward and from the drop-wire H. The parts which contribute to rock the rail will be so proportioned as to move the tension toward the dropwire H at a speed not exceeding the normal feed of the yarn, so as not to slacken the yarn when running.
When a knot or bunch is wedged in the scraper, the yarn is slackened, as indicated by dotted lines in Fig. 1, at the next movement of the tension toward the drop-wire, allowing the drop-wire to fall into the path of a projection j on the knock-off wheel J, causing the rear end of the drop-wire holder to be lifted above the foot g of the arm 9 of the slide G, whereupon the weighted end of the lever F is depressed and the front end of said lever is raised, lifting the cradle and moving the cop out of contact with the drum D, said cop then coming to rest immediately.
I claim as my invention- 1. The combination of a tension device, a knot-arresting yarn-scraper, winding means for drawing a yarn successively through said tension device and said scraper, a drop normally suspended on said yarn between said tension device and said scraper, automatic means for slackening said yarn between said tension device and said scraper, when the progress of said yarn is interrupted by a knot or bunch at said scraper, to permit the falling of said drop, and means operated by the falling of said drop to stop the winding of said yarn.
2. The combination of a tension device, a knot-arresting yarn-scraper, winding means for drawing yarn successively through said tension device and said scraper, a drop normally suspended on said yarn between said tension device and said scraper, automatic means for continuously alternately shortening and lengthening the distance between said tension device and said scraper, to slacken said yarn between said tension device and said scraper when the progress of said yarn is interrupted by a knot or bunch at said scraper,
to permit the falling of said drop, and means operated by the falling of said drop. to stop the winding of said yarn.
3. The combination in a winding-machine; of a cop-holder, means of rotating the same,- a stop-motion therefor, a tension device, a knot-arresting yarn-scraper, a drop normally suspended by the tension of the yarn'or thread passing through said tension device and said scraper, means for operating said stop-motion 1 by the falling of said drop, and automatic means" for continually varying the distance between said scraper and said tension device. 4;. The combination of a driving drum,
means for rotating thesame. a cop-holder normally rotated by frictional contact between said drum and said holder or cop, a knot-arvice and said scraper and operated upon thefalling of said drop by the slacking of-said yarn, and saiddrop.
In testimony whereof I have'aflixed my signature in presence of two witnesses.
CLARENCE N. OHILDS.
Witnesses:
ALBERT M. MOORE, STEPHEN T. WHITTIER.
US25614905A 1905-04-17 1905-04-17 Winder. Expired - Lifetime US806065A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10905836B2 (en) 2015-04-02 2021-02-02 Hill-Rom Services Pte. Ltd. Manifold for respiratory device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10905836B2 (en) 2015-04-02 2021-02-02 Hill-Rom Services Pte. Ltd. Manifold for respiratory device
US10905837B2 (en) 2015-04-02 2021-02-02 Hill-Rom Services Pte. Ltd. Respiratory therapy cycle control and feedback

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