US1362470A - Jack-winder for yarn - Google Patents

Description

w. I. BRENNAN IAcK wINoER Fon mu.

` A APPLICATION FILED MAR. II. 1920. y l 1,362,470. Patented Dec. 14, 1920.-

2 SHEETS-SHEET I.

W. J. BRENNAN l JACK WINDR FOR YARN.

APPLICATION FILED MAR. II. 1920.

1,362,470. Patented Dee. 14,l 1920;,

` 2 SHEETS-SHEET 2. 129.2.

unirsi) STATES PATENT OFFICE.

JACK-WINDER FOR YARN.

lSpecification of Letters Patent.

Patented Dee. 1:4-, 1920.

Application led March 11, 1920. Serial No. 365,105.

To all whom t may concer-a.

Be it known that I, WILLIAM J. BRENNAN, a ci izen of the United States, resident of Danielson, in the county of TvVindhaIn and State of Connecticut, have made a certain new and useful Invention in Jack-VVnders for Yarn; and I declare the following to be a full, clear, and exact description of the same, such as will enable others skilled in the art to which it appertains to make and use the invention, `reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

The invention has relation to jack winders for yarn used in weaving cloths, and it consists in the novel construction and combinations of parts as hereinafter set forth.

ln jack winders to--day it is common to wind the yarn from the cones to the jack spool, about forty cones to the spool, and then as a second step to run the forty yarn ends to the same number of bobbins and wind the yarn upon the bobbins, the latter all drivenat the same rate of speed from a common drive shaft, and in the operation stated the yarn is not wound with an even tension upon the bobbins, ydue to the fact that the bobbins are rotated all at an even rate of speed as stated and the yarn coming from the jack spool is not sufficiently evenly tensioned, there being more or less variation in the tension of the various threads of yarn coming from said spool. The .object of windingthe yarn from the cones to the jack spool is to obtain as nearly an even tension as possible in the winding from the jack spool to the bobbins, vbut this tension is not sufliciently even as stated, and leads to faults in the weaving whereby' loose or upstanding loops are left in the cloth.

It is an object of this invention to evenly tension the winding of the yarn upon the bobbins and to eliminate the preliminary winding of the yarn upon the jack spool prior to winding upon the bobbin. Other objects and advantages will appear.

ln the accompanying drawings illustrating the invention, Figure 1 is a front view of the invention; Fig. 2 is a central vertical section through one of the tension frames g. Fig. 3 is a detail fragmentary view showing the mounting of the tension adjusting roller, the roller being shown in section, and

Fig. 4f is a detail cross-sectional view of the lower tension roller, with a section of yarn engaging the saine.

In these drawings the numeral 2 designates the bobbin table, having the drive shaft 3, and belt connection l, with the bobbin spindles 5, thebobbins 6 having detachable clamp connection 7 with said spindles and being all driven at an even rate of speed.

The yarn is fed from the yarn cones 8 to the bobbins, each thread of yarn first passing at.9 over the head of the operator through a hooked overhead guide, 10, and therefrom passing downwardly over or along one side of a tension-adjusting roller 11, and thence downwardly completely" around a lower tension roller 12, and thence downwardly and laterally through hooked guides 13 and 14, to the'bobbin.

The upper roller 11 and the lower roller 12 are provided with longitudinal grooves l 15, which in the rotation of the rollers by the bobbin serve to slightly bite or grip the yarn threads to better control the tension thereof. Both of these rollers have lateral adjustment in bearings 16, the journal blocks of the rollers being movable in slots 17 of said bearings whereby the tension exerted by the roller 12 upon the yarn may be varied as required by the yarn or of the weather.

.ln the passage of the yarn completely around the tension roller 12, it is necessary to avoid cutting ofthe yarn by the crossing thereof, and to this' end, there is provided between the rollers 11 and 12, guide fingers 17 which engage each yarn thread and guide it to the roller 12, the latter having the, groove lthereof slightly inclined or spiral to cause the yarn to feed slightly endwise of the-roller as it passes around the same whereby the portion of the yarn thread passing from the roller 12will be separated or vspaced from Vthe portion Aof the yarn thread passing to theyroller 12 from roller 11 and between the roller 12 and the guides 13 a second series of fingers 18 are provided, which are out of vertical line with the corresponding fingers 17 and receive the thread of yarn coming from the roller 12 and guide it to the hooked guide 13.

The upper guide hooks 10 are carried by a longitudinal bar 19, which is adjustable for height by clamps 10 to suit operators of different height.

The guide fingers 17 `and 1 8 are carried the condition of by longitudinal bars 2O and 21, each of Which is adjustable laterally to accord With the lateral adjustment of the rollers 11 and 12, the adjusting means being clamps 22. Upon release of said clamps and of the clamps 10 each of the carrier bars for the guide hooks and guide fingers may be adjusted endwise to line up with the Work, the clamp adjustment being then fixed again. The guide hooks 13 and 14 are also each carried by bars 23 and 24, having clamps 25 and 26 to fix the position thereof, and adjustable endwise in the same manner to line up With the Work.

Each of the rollers 11 and 12 is provided With a brake device being preferably a leather or friction brake and numbered 27 and 28, each brake having attached thereto a Weight 29, which is detachable and capable of being substituted by lighter or heavier weights as may be required.

The slots wherein the journal blocks of the tension adjusting roller 11 are movable to vary the tension, are preferably upwardly inclined as shown, whereby the scope of the tension adjustment is made greater, a slight difference in height of this roller as it is adjusted laterally relative to the roller 12 making for a considerable difference in the tensioning of the yarn.

1. In a jack Winder for looms, a plurality of yarn cones, a plurality of bobbin'spindles, means for rotating said spindles all at an even rate of speed, and means'engaging the yarn in its passage from the cones to the spindles to evenly tension the yarn as it is Wound upon the spindles including a lower tension roller around which cach thread of yarn is looped, and an upper tension adjusting roller engaging each thread of yarn. the said, tension roller being adapted to cause the yarn to feed slightly end- Wise of the roller as it passes around the same.

2. In a jack Winder for yarns, a plurality of yarn. cones, a plurality of bobbin spindles, means for rotating said spindles all at an even rate of speed, and means engaging the yarn in its passages from the cones to the spindles'to evenly tension the yarn as it is Wound upon the spindles including a tension roller around which each thread of yarn is looped, and a tension adjusting roller engaging each thread of yarn, said tension roller being adapted to cause the yarn threads to feed slightly endwise of the roller as they pass around the same, and guiding and supporting means for the yarn threads.

3.v Ina jack Winder for yarns, a plurality of yarn cones, a plurality of bobbin spindles, means for rotating said spindles all at an even rate of speed, means engaging the yarn in its passage from the cones to the spindles to evenly tension the yarn as it is Wound upon the spindles including a laterally adjustable tension roller around Whlch each thread of yarn is looped, and a laterally adjustable tension-adjusting roller engaging each thread of yarn, said tension roller being adapted to cause the yarn threads to feed slightly endwise as they pass around the same, endwise and vertically adjustable guide means above the tension adjusting roller, endwise and laterally adjustable guide means between the tension roller and the tension adjusting roller, and endwise and laterally adjustable guide means below the tension roller.

4. In a jack Winder for yarns, a plurality' of yarn cones, plurality of bobbin spindles, means for rotating said spindles all at an even rate of speed, andv means engaging the yarn in its passage from the cones to the spindles to evenly tension the yarn as it is Wound upon the spindles including a laterally adjustable tension roller around which each thread of yarn is looped, aud a laterally adjustable tension adjusting roller engaging each thread of yarn, said tension roller being adapted to cause each thread of yarn to feed slightly endwise of the roller as it passes around the saine, adjustable guide and supporting means, and adjustable brake means for the rollers.

5. In a jack Winder for yarns, a plurality of yarn cones, a plurality of bobbin spindles, means for rotating said spindles all at an even rate of speed, and means engaging the yarny in its passage from the cones to the spindles to evenly tension the yarn it is Wound upon the spindles, including a tension roller around which each thread of yarn is looped, and a tension adjusting roller engaging each thread of yarn, said rollers being provided each with one or more longitudinal grooves to provide biting or gripping edges and facilitating separation of the yarn threads.

6. In a jack Winder for yarns, a plurality of yarn cones, a plurality of bobbin spindles, means for rotating said spindles all at an even rate ofspeed, and means engaging the yarn in its passage from the cones to the spindles to evenly tension the yarn `as it is Wound upon the spindles including a tension roller around Which 'each thread of yarn is looped.y said roller having a longitudinal inclined groove to provide a biting or gripping edge, to facilitate separation of the threads of yarn and to cause the yarn threads to feed slightly endwise of the roller as is passes around the same.

In testimony whereof I aIliX my signature in presence of two witnesses.

, WILLIAM J. BRENNAN.

Witnesses: i CHARLES B. RUSSELL,

JOHN HAMILTON.

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