US424620A

US424620A - Take-up and brake attachment for supply of spools of winding-machines

Info

Publication number: US424620A
Authority: US
Publication date: 1890-04-01
Anticipated expiration: 1907-04-01

Description

(No Model.)

' V. BOYLE.

TAKE-UP AND BRAKE ATTACHMENT FOR SUPPLY OF SPOOLS 0P WINDING MACHINES.

No. 424,620. Patented Apr. 1, 1890.

, Paterson, in the county of Passaic and State by the movement of the take-up bar or arm,

J NITED I STATES PATENT OFFICE.

VERNON BOYLE, OF PATTERSON, NETV JERSEY.

TAKE-UP AND BRAKE ATTACHMENT FOR SUPPLY OF SPOOLS OF WINDING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 424,620, dated April 1, 1890. Application filed May 6,1887. Serial No. 237,312. (No model.)

To all whom it may concern.-

Be it known that I, VERNON ROYLE, of

of New Jersey, have invented a new and useful Improvement in Take-up and Brake Attachments for Supply of Spools of \Vinding- Machines, of which the following is a specification. 7

My invention relates more particularly to attachments which are employed in connection with the spools from which thread is taken for winding shuttle quills or bobbins; but such attachments may be employed in connection with spools or bobbins fromwhich thread is taken for any purpose.

The object of the invention is to provide a simple take-up and brake attachment which is adjustable to suit any variation in the strength of the thread being unwound, and which serves to prevent racing ahead of the spool or bobbin when the draft on the thread is relieved or stopped.

In carrying out my invention, I employ, in connection with the spindle for receiving a spool or bobbin, a take-up bar or arm, over which the thread is passed from the spool or bobbin, and a brake for acting upon the spool or bobbin-as, for example, by acting on the material wound thereonand which is controlled in its action on the spool or bobbin the said bar or arm and brake having a common pivotal support. The take-up bar may be more or less balanced by means of an adjustable weight, and the brake may consist of a plate or fiat projection from a rock-shaftwhich is journaled in suitable bearings, and in which "is secured a threaded lateral extension of the takeup arm, and on this threaded lateral extension of the take-up arm the weight may be secured as a nut.

The bracket which furnishes bearings for the rock-shaft, on which are the take-up arm and brake, may be adjustable to vary between vertical and horizontal planes the line of pressure of the brake upon the spool or bobbin or to bring the rock-shaft more or less over the spindle, so as to afiord provision for varying the effect of the brake, and this bracket may be pivoted on the spindle and adjustable around the spindle to secure such result.

The invention consists in novel combinations of parts hereinabove referred to and hereinafter particularly described and claimed.

As is well known by manufacturers who employ devices of the character to which my invention relates, the holes or bores of spools and bobbins vary largely after continued use,

even though they may have been originally of substantially the same size, and when a spool or bobbin is slipped upon a fixed spindle or jack the resistance which the spool or bobbin offers to the unwinding of thread from it will vary in accordance with the play of the spool orbobbin upon the spindle. Consequently if a brake be employed in connection with such a spool or bobbin it will not always have a proper and desired degree of effect in retarding the rotation, because with some spools or bobbins less eifeet from the brake will be required than with others. If a spindle having journals at its ends is inserted into the spool or bobbin so as to fit snugly therein and turned with the spool or bobbin, the spindle will always be uniform and the brake can therefore be adjusted to secure just the amount of retarding eifect desired and the retarding effect necessary or desired for spools or bobbins of the same size will be uniform.

In the accompanying drawings, Figure 1 represents an elevation of a bar on which are arranged spools with attachments embodying my invention. Fig. 2 is a sectional elevation upon about the plane indicated by the dotted line 00 00, Fig. l. the parts on the side opposite to that represented in Fig. 1. Fig. & is a view of the spindle which embodies my invention. Fig. 5 is an elevation corresponding to Fig. 1, but illustrating a slight modification of my invention; and Fig. 6 is a sectional view upon about the plane of the dotted line y y, Fig. 5.

Similar letters of reference designate corresponding parts in all the figures.

A designates an upright piece or bar of cast metal, usually such as is commonly attached to the jack-boards in a quillor other winding machine, and B designates spindles, on which are spools C.

In the example of my invention shown in Figs. 1 to 4, inclusive, the spindles B are not fixed upon the bar A, but consist each of a Fig. 3 is an elevation of.

, single piece, as is represented in Fig. 4, having solid journals 5 formed upon its ends, and slotted, as at 19, throughout the principal portion of its length, in order that the two parallel members or portions formed by the slot may be spread apart slightly, as shown in Fig. 4, and to also permit of their contraction toward each other when the spindle is inserted into a spool C.

By the term solid, as applied to the journals b, I mean that they are not severally composed of two members or portions, as are the ends of a shuttle-skewer, composed of a piece doubled upon itself. The portions of the spindle B on opposite sides of the slot b are continuous and unbroken.

It is well known that in a large quantity of spools which are in constant use the diameters of their bores or the holes through them will vary somewhat by wear, and the spindle B, owing to its yielding portions, which enable it to be expanded or contracted in diameter, may be readily slipped into spools having holes which vary considerably in diameter. The journals 1) of the spindles being always of the same size, it is obvious that when such spindles are inserted into spools and the journals I; placed in proper bearings the resistance to the rotation due to friction will always be uniform with spools of a given size.

D designates brackets, which, as here represented, are secured each by a screw d to the bar or piece A, and which are formed with open bearings d for receiving the journals b of the spindle B. The spindle with the spool upon it. may then be dropped downward into the open bearings. The openings in the tops of the bearings are represented by heavy dotted lines in Fig. 2, and it will be understood that they are ordinary U-shaped bearings open at the top. Each bracket D has lugs or projections d wherein is journaled a rock-shaft D, and the rock-shaft, as shown in Figs. 1, 2, and 3, carries upon it a brake D and a take-up arm or bar D The brake D consists of a plate or fiat projection here shown as formed integral with the rock-shaft and as bearing upon the spool C. In this example of the invention the brake bears directly upon the thread wound upon the spool, and it will be understood that in referring to the brake as bearing upon the spool the thread thereon is considered as forming a temporary part of the spool. The arm or bar D which may be made of wire, extends parallel with the spindle B, and has a lateral or transverse extension D which may be pro-' the brake D upon the spool or bobbin. When the weight 01 is adjusted outward nearly to the end of the arm or extension D the brake D will be caused to act most powerfully upon the spool, and when said weight is adjusted inward toward the rock-shaft D the brake will be caused to act less powerfully on the spool. It is important that the fulcrum or axis of the rock-shaft D shall be substantially parallel with the spindle B when used in connection with a take-up arm or bar having a portion D also approximately parallel with the spindle and a portion D extending to the rook-shaft, because then the thread from a spool on the spindle may be passed over the portion D of the take-up arm or bar, and thence directly to the taller-eye 'or other objective point without passing it over a pulley or guide, and the thread as it unwinds from the spool on the spindle traverses from end to end of the arm or barportion D which latter is substantially parallel with the spindle at all times and notwithstanding it-s rising and falling movements resulting from varying draft on the thread. It will also be observed that by turning the brackets D on the screw d, whereby they are pivoted to the bar A, the line of pressure of the brake upon the spool may be varied so as to render the force of gravitation more or less effective in producing the pressure of a brake upon the spool, and the pivotal center of the rock-shaft will be brought more or less over the spindle. For example, if the bracket 'were turned in the direction indicated by the arrow 0 in Fig. 2, the rock-shaft D would be .lowered, while the spindle B would be raised and the line of pressure of the brake D upon the spool would be brought below the horizontal, and gravity would be less effective in producing the pressure of the brake upon the spool. In the position of parts shown in Fig. 2 the gravity due to the weight of the brake D itself does not produce any pressure on the spool, the action of the brake being solely due to the Weight d but if the bracket D were turned so as to bring the rock-shaft D in the same vertical plane with and above the spindle B the brake D would have an v effect not only due to the weight (2, but also due to its own weight. The thread 8 unwound from a spool O is passed up over the against the action of the weight d and removing the brake D from the spool. When the draft upon the thread slackens, the takeup bar or arm D rises by the action of the weight d, and by the same weight the brake is returned against the spool or material thereon and exerts a retarding effect to preventracing ahead of the spool. As the material is unwound from the spool and the resistance which it itself offers to the unwinding is lessened by reason of the diminished Weight, the action of the brake becomes less efiective, inasmuch as it is bearing upon a circle of smaller diameter and nearer the center.

In Figs. 5 and (J I have represented the bar A as provided with ordinary fixed spindles or jacks B, on which spools G are placed, and the arrangement of the bracket D, the rockshaft D, with its brake D and take-up bar or arm D and adjustable weight d, is the same as above described, save that the bracket D is journaled upon the fixed spindle B, said bracket having an eye or hub d, which receives the spindle through it and is provided with a set-screw d or other means for securing the bracket in any desired position. I11 this example of my invention the action of the brake D may be varied by adjusting the bracket D circumferentially around the spindle B, and the bracket may be secured in the desired position by means of the setscrew (1 In connection with my claim for the spindle B, I am aware that a solid spindle has been inserted in a bobbin and there held centrally by springs in the bobbin pressing against its side, and that a shuttle-skewer, for receiving a shuttle-cop has been slotted lengthwise to give it elasticity, but has had no journals on which to turn. I do not include this old device in my invention, and it has not been before discovered that a slotted spindle having journals would hold in a bobbin with sufficient tightness without other springs to cause the bobbin and spindle to turn as one.

VVh-at I claim as my invention, and desire to secure by Letters Patent, is

1. The combination, with a substantiallyhorizontal spindle for receiving a spool or bobbin, of a rock-shaft D, substantially parallel with the spindle, a take-up bar or arm D D over which thread is passed from the spool or bobbin, and a brake, as D for acting upon the spool or bobbin,both the take-up arm and the brake extending from said rock-shaft, whereby the draft' of the thread upon the take-up arm controls the pressure of the brake upon the spool or bobbin, substantially as herein described.

2. The combination, with a spindle for receiving a spool or bobbin, of a rock-shaft D, having upon it the brake D bearings for the rock-shaft, and the take-up arm D having a portion D extending transversely to the spindle and fixed in the rock-shaft, the said portion D of the take-up arm being threaded and provided with the adjustable weight d substantially as herein described.

3. The combination, with a spindle for a spool or bobbin, of the rock-shaft D, the take-' up arm D and the brake D on the rockshaft, a bracket D, supporting the rock-shaft in a line substantially parallel with the spindle, and which is pivoted so as to permit of its being turned to throw the pivotal center of the rock-shaft more or'less over the spindle to vary the action of the brake on the spool or bobbin, and a securing device, as a screw, for holding the bracket in position after adjustment, substantially as herein described.

4. The combination, with a spindle for a spool or bobbin and a weighted take-up arm and a brake, and a rock-shaft from which both the arm andbrake extend, whereby the action of the brake is controlled by said arm, of a bracket supporting the rock-shaft pivoted on the spindle and adjustable circumferentially around the spindle to vary the efiect of the brake on the spool or bobbin,and a securing device, as screw (i for the bracket, substantially as herein described.

VERNON BOYLE. Witnesses:

C. HALL, FREDK. HAYNES.