US431913A

US431913A - newton

Info

Publication number: US431913A
Authority: US
Publication date: 1890-07-08
Anticipated expiration: 1907-07-08

Description

(No Model.) 4 Sheets-Sheet 1. E. NEWTON 8; J. PALMER. SPLIGING ATTACHMENT FORKNITTING MACHINES.

No. 431,913. Patented July 8, 1890.

(No Model.) 4 Sheets-Sheet 2. E. NEWTON & J. PALMER.

SPLIGING ATTACHMENT FOR KNITTING MAGHINES. 110.431.1913. Fg/Z. Patented July 8, 1890.

(No Model.) I 4 Sheets-Sheet 3. E. NEWTON & J. PALMER. SPLIGING ATTACHMENT FOR KNITTING MAGHINES.

No. 431,913. Patented July 8, 1890.

., PHOTGLIMO, WASNINGTON a c (No Model.) 4Sheets-Sheet 4. E. NEWTON 8v J. PALMER.

SPLIOING ATTACHMENT FOR KNITTING MAGH'INES. No. 431,913. Patented July 8, 1890.

UNITED STATES PATENT OFFICE.

EDWIN NEWTON AND JAMES PALMER, OF LEICESTER, ENGLAND, ASSIGNORS TO DAVIS, MOORE & (10., OF SAME PLACE. I

SPLICING ATTACHMENT FOR KNITTING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 431,913, dated July 8, 1890. Application filed December 30, 1889. Serial No. 335,446. (No model.)

To aZZ whom it may concern:

Be it known thatwe, EDWIN NEWTON, mechanic, and JAMES PALMER, mechanic, subjects of the Queen of Great Britain, and both 5 residents of Leicester, England,have invented new and useful Improvements in Splicing Attachments for Knitting-Machines, of which the following is a specification. reference being had to the accompanying drawings.

: Our invention relates to apparatus for the manufacture of hosiery.

B y our said invention we provide improved means for splicing the ankle, heel, foot-bottom, or toe of a seamless stocking, half-hose I or sock, 01' other sectional part or parts of a circular piece of knitting 011 an automatic knitting-machine.

Our said invention is advantageously applicable to knitting-machines having vertical 2o needles-such as, for instance, that commonly known as the Shaw stocking-machine-or to knitting-machines having horizontal needles-such as that known as the Aikens machineor to any other suitable automatic 2 5 circular-knitting machine.

In the accompanying drawings we have shown how our said invention may be conveniently and advantageously carried into practice.

Figure 1 is a plan, and Fig. 2 a side elevation, illustrating our improvements applied to a Shaw stocking-machine. Fig. 3 is a front elevation of a portion of the said machine. Fig. 4 is a similar View to Fig. 1, some of the 3 5 parts being removed, showing the parts in a different position; and Fig. 5 is a vertical section on the line 00 00, Fig. 4, drawn to an enlarged scale, showing details of construction.

Like letters indicate corresponding parts throughout the drawin gs.

A is the table of the machine.

1-3 is the annular shield or guard surrounding the rotating or cam ring carrying the 45 web-holders.

G is the rotating or cam ring.

D is the yarn-carrier.

E is the pillar or standard carrying the main or ordinary thread tensions and guides.

F is the pattermchain.

G is the main or ordinary thread or threads.

H is the additional splicing or supplementary thread.

I are the web-holders.

a is a pillar or standard secured to the upper surface of the rotating or cam ring C, so that it will move therewith. The pillar or standard a is provided with a bobbin-holder 19, carrying a bobbin 1), for supplying the additional splicing or supplementary thread H, 60 for splicing or thickening the stocking or other article. The pillar or standard a is also provided with guides to for the said thread H and with a guide a for the original or main thread or threads G.

o is a tube, through which pass both the main or original thread or threads G and the additional splicing or supplementary thread H. The tube 0 is secured in any suitable manner to the yarn-carrier D and serves for periodically conducting the said additional splicing or supplementary thread H into the fabric with the original or main thread or threads G. cl is a guide attached to the plate carrying the said yarn-carrier D and intended 7 5 for keeping the said original or main thread or threads G separate from the additional splicing or supplementary thread H.

e is a bracket secured upon the upper surface of the rotating or 0211111 ring C, so that it will move therewith. The additional splicing or supplementary thread II passes through a hole f in a guide f, provided upon an extension 6 of the bracket 6, and between jaws g g, and joins the main or original thread or threads G in the above-mentioned tube 0. The jaw g is formed in one with or rigidly secured to the extension 8 of the said bracket 6, and the jaw g is pivoted at g to 3. lug g upon the said extension. Suitable means, 0 hereinafter described, are provided for periodically and automatically closing the said jaws, as shown in Figs. 1 and 5, so as to form, as it were, a trap, which holds or retains the additional splicing or supplementary thread H and causes the breakage thereof. By these means the splicing or thickening will be broken after it has been carried round the stocking or other article for any desired distance. moo

h is a lever pivoted at h to a boss 6 upon the bracket e. The extremity of the long arm of the said lever h can be moved beneath the guide f and between the latter and the jaws g g. 71 is a hole provided in this extremity of the said long arm, through which passes the additional splicing or supplementary thread H. The parts are so constructed and arranged that while the said additional splicing or supplementary thread is held or retained in the said jaws or trap g g the long arm of the lever It will be moved outward into the position shown in Figs. 1, 2, and 5, and thus caused to draw down a certain amount of the said additional splicing or supplementary thread from the bobbin 1), and when the said additional splicing or supplementary thread is released by the opening of the said jaws or trap g g the lever It will resume its normal position underneath the guide f, thus releasing the portion of the additional splicing or supplementary thread H drawn down by the outward movement of the lever h and causing a certain amount of slack in the said additional splicing or supplementary thread, which slack permits the said threads to follow the original or main thread or threads G down. the tube 0 and to enter the fabric before the tension comes into operation.

For automatically opening and closing the trap or jaws g g at the proper times during each revolution of the rotating or cam ring vO we provide the following n1echanismthat is to say:

7: is a semicircular or forked lever pivoted at t" to the under side of the annular shield or guard B.

j j are stops or bolts arranged to move freely in blocks or pieces j, attached to, the outer edge or periphery of the said annular shield or guard B. The lower extremities of the said stops or bolts j bear against and are supported by the extremities of the semicircular or forked lever 1', and the upper extremities thereof are so arranged as to be flush with v the upper surface of the said annular shield or guard under normal conditions. Suitable means, hereinafter described, are provided for periodically and automatically depressing the short arm 2* of the said lever 2' and raising the semicircular or forked arm thereof, and consequently also the stops or bolts j, into the position shown more clearly in Fig. 2. Then the said stops or bolts are thus raised above the surface of the annular shield or guard B, they extend into the path of a ratchet or toothed wheel 75, which is carried upon a spindle Z, secured to the bracket 6.

k is a disk or friction spring, and Z Z are nuts for adjusting the tension of the said spring.

m is a cam or cam-wheel formed in one with orfirmly secured to the said ratchet or toothed wheel 75. With this cam engages the short arm of the lever h and an extension 9 upon the jaw g. n is a spring for retaining the said lever h and extension g in engagement with the said cam or cam-wheel m. The said lever h and the extension g are so arranged relatively to the said cam or cam-wheel m that during the rotation of the latter they will be alternately operated or move in opposite directions thereby. Thus when the said camwheel m has been moved by one or other of the teeth of the ratchet or toothed wheel is striking against one of the stops or bolts 3' into the position shown in Fig. 1, so as to operate or move the extension g to close the jaws or trap g g' and hold or retain the additional splicing or supplementary thread, the long arm of the lever h will be moved from beneath the guide f to d raw down the splicing: thread, as above described. When, on the contrary, the said cam-wheel m has been moved by one or other of the teeth of the ratchet-wheel 7t striking against the other stop or bolt j into the position shown in Fig. 4, so as to allow the spring 92 to move the extension g to open the jaws or trap g g and release the additional splicing or supplementary thread H, the long arm of the lever h is returned to its normal position underneath the guide f and the slack portion of the said thread is released and permitted to fall into the tube 0 and pass along with the main or original thread into the fabric.

In order to move or elevate the stops or bolts j into the path of the ratchet or toothed wheel k and to permit them to resume their normal position at the proper times, we provide a piece 0, arranged to slide freely in a hole in a bracket 19, attached to the table A. This piece 0 is provided at one extremity with a head or swelling 0, against which are adapted to bear inclined surfaces upon blocks or wedge-pieces q, secured upon the patternchain F, so as to move the said piece 0 in one or the other direction into or from the bracket 13. Then the piece 0 is moved by one of the said blocks or wedge-pieces qfrom the bracket 19, the head or swelling 0 (or an inclined surface provided thereon) moves farther underneath the short arm of a bell-crank lever 0", which normally rests thereon, and raises the latter, consequently moving inward the long arm of the said bell-crank lever. The said bell-crank lever is pivoted at r to a bracket 1*, secured to the table A, and the short arm thereof is preferably secured thereon by a set-screw r or other suitable means is provided for rendering the said short arm adjustable relatively to the long arm. The long arm of the said bell-crank lever r is coupled by means of a connecting-rod r to one extremity of a sliding rod 5, which works in a suitable hole in the basket t, supporting the annular shield or guard B. Upon the other extremity or head 8 of the sliding rod .9 is provided an inclined surface .9 which bears against an inclined surface 1? upon the short arm of the lever 2', so as to depress the short arm and elevate the long arm of the said lever, and thus raise the steps or bolts j, as more clearly shown in Figs. 2 and 3. hen the piece 0 is moved back to its normal or original position by the next succeeding block or wedge-piece q, the slide-rod s and bellcrank lever r resume their normal position under the action of a spiral or other suitable spring a. The blocks or wedge-pieces q are placed at such a distance apart upon the pattern-chain F as to permit the stops or bolts j to project above the surface of the annular shield or guard B for the length of time necessary to form the splicing or thickening as far around the stocking or other article as may be required. Any desired number of the said blocks or wedge-pieces q may be placed upon the pattern-chain F, so as to move the stops or bolts j into the elevated or operative position at one or more parts of the fabric where it is desired to form the splicing or thickening, and the said blocks or wedge-pieces may be spaced so as to maintain the said stops or bolts in the said elevated or operative position for the required length of time during each splicing or thickening operation.

The operation of the apparatus will be readily understood from the foregoing description.

Although we have hereinbefore described our said invention more particularly as applied to a machine of the kind or class commonly known as a Shaw stocking-machine, in which the needles are placed vertically, it will readily be seen that by obvious modifications our said invention may also be advantageously applied to machines having the needles placed in a horizontal position.

It is obvious that we can somewhat modify our apparatus without departing from the nature of our said invention. For instance, We can employ means other than those above described for moving the stops or bolts j into the path of the ratchet or toothed wheel it. Any convenient number of extra or supplemen tary or splicing threads may be employed.

What we claim is- 1. In an automatic knitting-machine, the combination, with the cam-ring for operating the yarn or web holders, of a splicing attachment comprising jaws for alternately gripping and releasing the splicing-thread, a cam and a ratchet-wheel for operating one of the said jaws mounted on the cam-ring, adjustable bolts or stops for operating the said ratchetwheel and cam in the rotation of the said cam-ring, and mechanism, substantially as described, connected with the said bolts for automatically operating them at the proper time, as and for the purpose set forth.

2. In an automatic knitting-machine, the combination, with the cam-ring for operating the yarn or web-holders, of a splicing attachment comprising j aws for alternately gripping and releasing the splicing-thread, a feed-lever for the splicing-thread, a spring connecting the said lever with the movable jaw, a cam and ratchet-wheel for operating the said lever and jaw fitted to rotate upon a stud fixed in the said cam-ring, adjustable bolts or stops for imparting step-by-step rotation to the said ratchet-wheel and cam in the rotation of the said cam-ring, and means, substantially as described, for operating said bolts, as and for the purposes set forth.

3. In an automatic knitting-machine, the

combination, with the cam-ring, the grippingjaws, one of which is movable, the feed-lever, the connecting-spring, and the cam and ratchet-wheel for operating the feed-lever and movable jaw, of adjusting bolts or stops, connectingmechanism,substantiallyasdescribed, and a pattern-chain having wedge-pieces thereon adapted to operate the connecting mechanism, whereby the said bolts or stops are moved into or out of the path of the said 8 5 ratchet-wheel, substantially as and for the purposes above specified.

4:. In an automatic knltting-machine, the combination, with the cam-ring, a ratchetwheel and cam, and adjustable bolts or stops for operating thereon, of a semicircular or forked lever pivoted to the table and extending beneath the said bolts or stops, a sliding rod provided with an inclined surface adapted to act upon a corresponding surface on the 5 short arm of the said lever, a bell-cranked lever coupled to the said sliding rod, a slidepiece, a pattern-chain, wedge-pieces on said chain for moving the said slide-piece and bellcrank lever in one direction, and a spring for moving them in the reverse direction, substantially as and for the purposes set forth.

5. The combination, with the cam-ring O, the yarn-carrier D, and the tubular threadguide 0, of the jaws g g, the extension g on one of said jaws, the feed-lever h, the spring or, connecting said extension and lever h, a single cam-wheel m, acting on both the extension and lever, and mechanism, substantially as described, for imparting motion to said no cam-wheel, as and for the purposes set forth.

6. The combination, with the cam-ring C, the yarn-carrier D, the jaws g g, for alternately gripping and releasing the splicingthread, the feed-lever h, and the spring 72, connecting the said lever with the movable jaw, of the cam on, the ratchet-wheel 7c, the spring 70, and the regulating-nuts Z, all arranged upon a pin or stud Z, fixed in the said cam ring, adjustable bolts or stops j, which in the rotation of the said cam-ring impart'intermittent rotary motion to the said ratchetwheel and cam, and mechanism, substantially as described, for operating said bolts, as and for the purposes set forth.

'7. The combination, with the cam-ring C, gripping jaws g g, feedlever h, ratchetwheel 70, cam m, and adjustable bolts or stops j, of the semicircular or forked lever 2 pivoted at c" and provided with the inclined surface t the sliding rod .8, provided with the inclined surface s to act upon the said surface 73 of the lever 2', the bell-crank lever r, the connecting-rod 0, coupling the said bellcrank lever to the sliding rod .9, the slidesigned our names in the presence of two subpiece 0,:md the pattern-chain Fflmving' wedgescribing Witnesses.

pieces (1, for moving the sliding rod 5 in one EDXVIN NEiV TON. direction, and a spring 14, for moving the said JAMES PALMER. 5 sliding rod in the reverse direction, substnn- Witnesses:

tialiy as and for the purposes set forth. JOHN \VILLIAM CRADOOK,

In testimony whereof we have hereunto ARTHUR KERSHAW.