US33117A - Thread - Google Patents

Description

necessitate a dividinoa hurra rriUE. i

JOHN B. WARING, OF `SOUTHr MANCHESTER, CONNECTICUT.

To all whom it may concern:

Be it known that l, Jol-IN B. lARrNG, of South Manchester, in the county of1 Hartford and State of Connecticut, have invented a certain new and Improved Machine for Sizing Silk or other Threads.

My machine is intended toreceive a continuous thread not uniform throughout its entire length but larger at some places than at others, and to assort the same, winding the largest upon one bobbin, the smallest upon anotherbobbin and the medium size upon a third bobbin. This effect has been before produced by machinery but not in the manner in which it is produced by mine.

l hereby declare that the following is a full, clear, and exact description of the novel features of my machine, reference being had to the accompanying drawings and to the characters of reference marked thereon, in which- Figure l is a side elevation of the novel parts, together with the traversing guide used therewith. Fig. 2 is a front view of the same. Figs. 8 ande are views of certain parts in different positions showing their operation. Fig. 5 is an outline showing in perspective the traversing guide and bobbin shaft and bobbins. Fig. 6 is a view of the ltrayersing guide as seen from. below.

Similar characters of reference indicate like parts in all the figures.

Raw silk and perhaps some varieties of other threads are variable in size in differentportions. A continuous thread may be Amany hundred yards in length with a much greater diameter at one end than at the other, and often with several stages ofA different sizes intervening between these extremes. It conduces very greatly to the uniformity and perfection of goods produced from such threads, to` assort the several sizes placing all the parts which are similar in size upon one bobbin or series of bobbins and all which are of another size upon another series. There are very short lengths of large size thread, in fact mere bunches which cannot be well separated from the remainder of the thread and it is questionable if it would be desirable to eect this result in as much as it would seem to of the thread into too many short lengths, but long portions which are large may be very advantageously dividedY from long portions that are small. Several inventions have been devised at various times to effect this result, but all such. which have come to my knowledge previous to mine haveinduced a considerable tension on the thread, rendering it liable to break, besides involving several other diicultles more or less seriouswhich mine completely avoids.

To enable others `skilled in the arttomake and use my invention lf will proceed to describe its construction and operation by the aidfofV the drawings.

Tn horizontalV bearings, attachedto the frame work R` of` suitable winding machines, a spindle or shaft B- is delicately poised in such a manner that itis free to rotate to a limited extent. Upon this shaft a lever C, C', is fired, carrying on one endY C- a.

wheel D and on the otherend C a counterbalance lV. This counterbalance is capable.

of delicate adjustment by means of a screw thread on C as shown so that by turning 7' around, it is moved outward;- f/roin Berthe At the point c a bent lever E 1s,

reverse. hung which carries on its short arm another wheel D; This bent lever E is so arranged relatively to theother parts as tohold Diin contact with D when the long arm of` E- is depressed as shown in Fig. 3, but when` the long arm of E is elevatedA as shown in Fige the wheels D and D areseparatedA by means to be described below. The long arm oli-'hl is delicately loaded by the weight e as shown so as to hold D and D in` contact. Upon the long end of E an adjustable cam Fy is fixed by the screw This cam bears upon a stud G mounted on, the frame ofthe ma# chine above B'so that as the lever @changes itsinclination the adjustable cam F slides upon G.

The wheel D is made as true as possible and is free to turn in its bearings on the lever C. The wheel Dis also made as true as possible and is free to,turn on its bearings on the shcrt end of the lever E. The thread to be operated on isdesignated by T. It is contained on a bobbin below, is introduced between the wheels D and D andV is by the action of any suitable mechanism` above, moved continuously upward as shown by the arrow. The counterbalance mW is: adjusted so as to be not sufficient to hold the lever C, Cf, in a levelL position but the end`- Cl is depressed by its superior gravity o r tends to be so depressed. As the thread Tmoves up? i ward it is, gently compressed between the wheels D, Df and although these wheels `are so mounted as to turn very freely there is necessarily some resistance produced to the motion of the thread, thereby tending to move the wheels D, D in the same direction that the thread is moving. The upward motion of the thread therefore serves as a lifting force to elevate the end C and itis easy t0 see that with the surfaces of the wheels D, D held at any given small distance apart the lifting force due to the upward passage of the thread is variable if the size of the thread is variable, becoming greater as the size of the thread is increased and less as it is diminished.

The effect of the counter-poise W being constant for any given position in which it may be placed, it follows that the end, C, is elevated by the superior lifting force of the thread, when the thread is large, and is depressed, by reason of insufficiency of the lifting force, when the thread is small. From this motion of the lever C, C my machine derives the means of determining upon which of the three bobbins the thread shall be Wound at any given period, the depression of C causing it, by means which are in common use to be guided upon the bobbin provided for small thread, and the elevation of C causing it by similar means to be guided upon the proper bobbin provided for a larger or the largest threads. This movement is eected and the lever C, C held for any period in the proper positions without necessitating any appreciable variation in the tension upon the thread, but on the -contrary allowing the tension to be almost inappreciable whatever the size of the thread, except when the size of the thread is enlarged very suddenly so that the iiieitia of the parts becomes of importance. The means by which this is effected as also those by which the lever is made to incline to a greater or less extent with any given change in the size of the thread will now be described.

The working face of the adjustable cam F is curved. It may be so adjusted that as the lever C, C inclines the center of its curvature coincides with the center of motion of C, C, and as the lever C, C and its attachments vibrate, and the curved surface slides on the stud G, no effect is produced thereby. This condition is not desirable, but for very delicate sizing it may be very nearly approached. When the cam is so adjusted as to approximate to the position shown in the drawing, the upward motion o f YC, and the consequent sliding of F upon Gr,

causes the long arm of the lever, E, to be raised and thus separates the wheels D and D to a greater distance each from the other. Such separation allows the equally easy passage of a larger thread, so that the lever C, C comes to rest in a new position corresponding to the larger thread which is now the frame R, at the point represented and is adjustable by a graduated disk g and pointer g so as to vary its action upon ythe cam F. A proper guide is attached to E to cause the thread to pass between the wheels D and D. f

The means by which the motion ofth wheels, D and D, and lever C, are made to cause a shifting of the thread from one bobbin to another are similar to those used Vin other machines of this nature, and may be varied under differing circumstances. I will, however, describe the means which I employ for that purpose.

M, M are two weighted levers. The gravity of the weighted parts of M, M supports two wires N, N, in contact or nearlyVV in contact with the sliding guide K. Y

L, L are two arms attached to the shaft B in such a position that when C is in a horizontal position they come in contact with M, M and support the weight, thus holding the wires N, N equally elevated as shown in Fig. l. As C, C is inclined from the horizontal position in either direction,

suppose for example that shown by Fig. 4,'

one of the wires, N, is depressed whilethe other, N, is allowed to rise higher in obedience 'to the gravity of M, when the traversing guide K is in the proper position. .The means by which the elevation and depression of suoli wires may be inade to changeV thev thread from one bobbin to another are well known, but I will brieliy describe by the aid of the drawings, one which I find very eficient.

The guide K is so held upon the rod c that any considerable force will cause it te slip and change its position thereon, but when no extraordinary force is exerted it will adhere. The rod 7c is caused, by the operation of mechanism not represented, to

traverse regularly to about the extent proper p to distribute the thread upon any one bobbin,

of K. When the parts are in the'position-`V shown in Fig. l the ends of the wires N and N extend into these recesses and just come in contact with the inner ends thereof at each stroke of K. This insures the proper position of K for Winding the thread upon the bobbin 2. If now a larger thread passes through the apparatus and raises C into the position shown in Fig. 4 L turns the lever M and removes the Wire N from its position in the recess 'a While at the saine time the lever M is released and tends by its Weight to elevate N. As soon therefore as the end of K passes N, (which it does from the fact before stated that the recess o was shorter than the throw of K) the latter rises and prevents its return. Gn the return motion of le, K is shifted thereon and when it has attained its new position it traverses as before but in such a position or in such a .path as to Wind the thread upon the bobbin l. if now a portion of thread which is smaller passes through the machine, the re verse action talres place and the guide K is again changed to the bobbin 2 or 3 in accordance with the position of the lever C. Any slight bunches upon the thread not being suf'icient to overcome the inertia of the arm C. simply raises the Weighted end of E Vand .opens D and D sufficiently for it to pass Without causing any change in the traversing guide.

When it is desired to use the machine for a larger sized thread the stud Gr is so adjusted as to hold D and DQ at a greater distance one from the other With the same position of C. If a greater or less strain is required upon the thread it is regulated by adjusting the counterbalance 1W upon the arm C and correspondingly adjusting the Weight on the end of E.

When there are very great extremes of size in the thread to be treated, the cam F should be set somewhat as represented in Figs. 3 and 4, so as `to change the space between D and D very greatly by the ordinary motion of C, C. lVhen all has been assorted or sized the contents of each of the bobbins, l, 2 and 3, may be again passed through the machine, and each divided into three sizes, and this operation of reassorting or resizing may be repeated several times. This is effected by the adjustment of the cam F, causing it to be so set, as the refinement of the sizing is increased, that the center of its curved face shall more and more nearly approach to the center B of the lever C, C. By means of these several adjustments the apparatus may be fitted for all the varying conditions Which Will present themselves in practice, and itvb-ecomes unnecessary to construct a dierent machine for each class of Work.

do not claim broadly the use in thread assorting machines of all means whereby a transfer' of the thread from one bobbin to another may be eected by a greater or less variation in the size of the thread at Will, but,

Having now fully described my invention What I claim as new therein and desire to secure by Letters Patent is:

l. Varying the inclination of a lever C by means of slight differences in tension due to variations in the size of a thread running between freely rotating Wheels D D mounted on such lever, Without a rubbing friction of the thread against either of such surfaces; and in combination therewith and by means of such changes so produced in the inclination of C increasing and diminishing the distance between the axes of D D; the Whole operating together substantially as herein set forth for the purpose of actuating mechanism which shall induce the shifting of the thread from one bobbin or receiver to another Without subjecting the thread to any Asurfaces F Gr, for the purpose herein set forth.

3. The adjustable cam F or its equivalent arranged relatively to the lever and surface Gr or their equivalents substantially as herein described.

JOHN B. WARING. Witnesses:

G. H. BABcooK, A. SNYDER.

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