US2657878A - Combined yarn-guide and tension device - Google Patents

Description

Nov. 3, 1953 P. FioRlNo 2,657,878

COMBINED YARN-GUIDE AND TENSION DEVICE Filed Jan. 23, 1952 Patented Nov. 3, 1953 COMBINED YARN-GUIDE AND TENSION DEVICE Pasquale Fiorino, Norwood, R. I., assigner to Universal Winding Com pany, Boston, Mass., a corporation of Massachusetts Application January 23, 1952Serial No. 267,757

2 Claims. 1

This invention relates to a combined yarn guiding and tensioning device both integral in a single element.

More particularly, the present invention consists in a device constructed from a single length of wire or strip-material shaped to form a substantially circular guide-eye and a series of contiguous tension-members or bars across which the yarn feeds in an undulating course to apply resistance to its draft, with means for directing the yarn into said eye and through the bars to render the device automatically selfthreading.

One object of the invention is to provide a device of the type indicated which may be applied to use on creels or other types of supplyholders for guiding and tensioning the yarn as it delivers from a cop, bobbin, cone or other kind of package.

Another object is to provide a device of the type indicated which may be constructed from a single length of wire bent or formed to provide the several elements comprising a guideeye, associated tension-members, and means for automatically threading the yarn into the same to dene its path of travel therethrough and control its ballooning.

Another object is to provide a device of the type indicated which is of relatively simple structure, economical to manufacture and procfagainst derangement or getting out of order.

Further objects of the invention are set forth in the following specication Which describes a preferred form of construction of the device, by way of example, as illustrated by the accompanying drawing. In the drawing:

Fig. 1 is a side elevational view of the combined yarn-guide and tension-device shown as mounted in position to control and tension a strand delivering from a conical package of yarn supported on the upright of the frame of a creel;

Fig. 2 is an enlarged side elevational view of the device illustrated as mounted on a vertical rod or standard;

Fig. 3 is a front elevational view of the same;

Fig. 4 is a rear elevationall view of the same; and

Fig. 5l is a top plan view showing the cooperative relationship between the guide-eye and tension-members.

In the present specification and claims the term yarn is used in a general sense to designate any form of strandularmaterial, whether textile or otherwise. Likewise, the term wire is employed in a broad sense to indicate stripmaterial of any cross-sectional shape and either of metal or composition.

The present device, while ,for use more particularly in controlling the yarn delivering from cops, bobbins, cones or packages mounted on creels, is also adaptable for similar uses to cone trol and tension a strand feeding from any type of supply to a winding machine or other textile apparatus employed for treating or conditioning the material. In its present preferred forni the combination yarn-guide and tension-device is illustrated as constructed from ya single length of round wire or metal rod bent into the shape shown more particularly in Figs. 2 to 5 of the accompanying drawing. The. device may comprise a supporting arm or shank d inclined to the horizontal and bent` into an upright portion or leg 5 for attaching it to a suitable support, such as the ann or bracket 6 shown Vin Fig. 2 as xedto a rod 'I or other upright `member of the creel framework. The bracket 6 may be drilled to provide a Ahole 9 into which the end lof the upright portion 5 of theshank 4 is inserted and held rigidly by'means of a set-screw I0. From the shank 4 the. wire is continued upwardly in a verticaljlength *or rleg I2 and bent into a. hairpin-shapedloop I3 at the` top with a leg I4 extending vertically `.downward in substantial parallelism to the legI2. The length of wire I4 is then bent-around into a hairpinloop I5 to extend upwardly in a leg I6 disposed between the two legs I2 and I4, these vertical portions I2, I4 and I6 being parallel and all in substantially the same plane for providing the tensioning members of the device. At rthe top of the intermediate leg or bar lathe wire is bent around in another loop at I'I and then extended vertically downward in a length IS which is curled aroundat the bottom to form a substantially circular eye 20.

The eye 20 is formed by bending the wire in a loop with its terminal portions crossing each other at 2l and slightly spaced apart to provide a narrow opening 22 for the entrance of the yarn into the eye, see Figs. 3 andv 5y of the drawing. The wire is then continucd'upwardly in a length 23 which is inclined outwardly from .the vertical and terminates above the top oi the loops I3 and I'I. It will be noted by reference to Fig. 3 that the upper looped portion of the wire lengths or legs I 2 and I4 are bent outwardly at an angle to the vertical, and likewisev the upper loop portions of the Wire lengths le and I8 are also inclined outwardly in the opposite direction, thereby providing a crotch-like reentrant opening or mouth at 25 for receiving the yarn y in threading the device. By this provision the yarn y may be caused to draw down into the guide-eye while taking a position crossing the tension-members or bars I2, I4 and I6 in alternate relation thereto, that is, with an over and under disposition whereby the bars serve to impart a sinuous or undulating course to the yarn to apply tension thereto after it leaves the guide-eye 20.

After the device has been mounted on the framework of a creel by supporting it from one of the vertical rods 1, as shown in Figs. 1 and 2, or by attaching it to any other convenient support, and the supply package or cone C has been placed on its holder 24, indicated in Fig. 1, the combination guide and tensioning device operates as next explained: The cone C or other supply package is positioned with its axis directed to the center of the guide-eye 20 to provide that the yarn y drawing oil from the supply may be delivered properly thereto as it unwinds from the package. The end of the strand of yarn y, thread or the like is taken from the cone C, led forwardly and then drawn down into the crotch or mouth between the inclined portions of the wire lengths I2, I4, I6 and I8, whereafter it can be directed down into the eye 20 by simply drawing it through the device. This can be accomplished automatically as the yarn is taken up by the winding machine or other collecting device, or the threading may be done manually by simply drawing the yarn down into the guide-eye 20. When thus threaded the yarn will be constrained to draw through the guide-eye 20, pass around the bar I6, then baci; around the bar I4 and out'around the bar I2 as it feeds through the device. The guide-eye 20 acts to control the ballooning of the yarn which, under a relatively rapid draft has a tendency to swing wide from the surface of the cone C, by preventing too great a divergence in the balloon liable to cause the yarn to catch on, or entangle with, other parts of the apparatus. The tension-bars I2, I4 and I6 apply a certain degree of resistance to the passage of the yarn and assist in controlling the expanse of the balloon While applying sufficient tension to maintain the yarntaut as it feeds to the winding or other processing apparatus. Moreover, the substantially closed or overlapping form of the circular guide-eye whipping out and escaping from the eye as it whirls therearound in unwrapping from the cone C or other package.

While only three tension-elements or bars are shown in the present form of construction of the device, it is obvious that their number can be increased by simply forming more loops in the wire rearwardly beyond the member or bar I2. That is to say, if it is desired to apply a greater degree of tension to the yarn the number of tension-members or bars can be increased by simply using a longer length of wire and bending it back and forth in additional loops in the same manner as shown in the present drawing.

It will be observed from the foregoing description that the present invention provides an extremely simple yet eicient yarn guiding and tensioning device with its several elements integral in one structure. As before stated, the whole device may be made by bending a suitable length of wire, rod or other strip-material and when completed no additional parts such as separate pig-tails, pivoted levers or the like are required. No drilling or other machine operations are necessary to produce the complete device and thus prevents the yarn from it is extremely economical to manufacture besides being free of jointed parts liable to derangement. wear and getting out of order.

While the device is herein shown as constructed from round wire having a smooth polished surface, other forms of strip-material of round or rectangular cross-section may be used for the purpose. The wire or strip-material may be bent in a suitable wire-forming xture or the like to reduce the cost when manufactured in large quantities for use on creels or the like holding numerous supply packages for delivering multiple ends of yarn to warp-Winding machines or in other processes.

While the devi-ce is herein shown and described as embodied in a preferred form of construction, certain modifications may be made in its shape, the material from which it is constructed, and the purposes for which it is used without departing from the scope of the invention. Therefore, without limiting myself in this respect, I claim:

1. A combined yarn guiding and tensioning device constructed from a single length of wire extending vertically upward and formed into a loop at the top to extend downwardly, then formed into a loop at the bottom to extend upwardly and thereby provide a series of parallel bars disposed substantially in the same plane throughout the greater portion of their length, the upper looped portions connecting alternate bars in pairs being inclined outwardly away from the looped portions of the bars of the other pairs to provide a re-entrant opening between the bars, one of said looped portions extending downwardly and formed into a substantially circular eye at the bottom with overlying portions spaced apart to provide a narrow opening for entrance of the yarn into the eye, the wire being continued upwardly from the loop at one side of the crotch between the previously-mentioned looped ends of the bars whereby to assist in guiding the yarn down into the eye.

2. A combined yarn tensioning and guiding device constructed from a length of wire having a shank portion for mounting it, said shank portion extending upwardly in a vertical bar and formed into a loop at the top to extend downwardly in a second bar and then looped at the bottom to extend upwardly in a third bar intermediate the first-mentioned bars, said last-named bar being bent into a loop at the top to extend downwardly and formed into a substantially circular eye at the bottom and extended upwardly to terminate above the` loops on the first-mentioned bars, said guide-eye having portions of the wire crossing each other in spaced relationship to provide a narrow entrance opening therebetween and the opposite looped portions of the bars being inclined outwardly at the top to provide a crotchlike re-entrant opening for guiding the yarn `cown into the eye and across the parallel tensionars.

PASQUALE FIORINO.

References Cited in the le of this patent UNITED STATES PATENTS Number Name Date 600,341 Whittum Mar. 8, 1898 1,110,716 Roberts Sept. l5, 1914 FOREIGN PATENTS Number Country Date 15,467 Great Britain July 21, 1908 229,099 Great Britain Feb. 19, 1925

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