US1239604A - Needle-loom. - Google Patents

Description

S. KENDRICK.

NEEDLE LOOM.

APPLICATION FILED MAY 25.1916- :1,%3,6@% Patented SEpt. 11, 191K 3 SHEETS-SHEET I- IN\/EIN 1:: SEII/LDMEJN K NILI R S. KENDRICK.

NEEDLE LOOM.

APPLICATION FILED MAY 25. 1916.

LQSQfiM. PatentedSept. 11,191? E 3 SHEETS-SHEET 2.

by W

S. KENDRICK.

NEEDLE LOOM.

APPLICATION FILED MAY 25. 1915.

Patented Sept, 11, 1917.

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SOLOMON KENDRIGK r REV RE. Me sMsv-smte esslea a EvEaLAsTIK. Q B BA P, QF BO TON M SS H S 's A cemeter s as MASS QH F EED TQQ i Specification of Letters Patent,

P t t d Sept. 11, on.

Application filed may 25, mic. sem in. 99,781

The object of the invention is to provide.

certain improvements in looms of the type referred to for producing a fabric in which both selvage edges are alike, for simplifying the operating mechanism and insuring smoothness and accuracy of the operation of such mechanism.

On the accompanying drawings;--

Figure 1 illustrates in front elevation a portion of a narrow-ware loom embodying the invention. 7

Fig. 2 represents a plan view of the same, with the needles withdrawn.

Fig. 3 represents a similar view (some parts being omitted) showing the needles in position to lay the filling in the shed.

Fig. 4. represents a longitudinal vertical section through a portion of the loom.

Figs. 5 and 6 show the delivery end of one of the needles.

In general, the loom as illustrated is provided With any suitable shed forming mechanism, which may be as simple or as elabo rate as may be desired, for weaving patterns or elastic or non-elastic fabrics. The mechanism forlaying the weft threads or filling in the shed comprises two curved arms or needles, which are respectively pivoted at points outside the selvage edges of the fabric to a stationary portion of the loom, and mechanism for simultaneously actuating said needles in opposite directions into and out of the shed. Thread guides are located at points outside of the selvage edges of the fabric, so that, as the needles are swung inwardly, they carry the weft threads laterfrom the shed. These pins are located near the seli' -a'ge edges, either inside or outside said edges. Preferably they are located outside said edges and are arranged below the plane of the finished fabric where they are out of the way. Their actuating mechanism may be in part supported by the same stationary portion of the loom which supports the needles. As usual in needle looms, the filling may be drawn from large spools or oops located in some convenient place on the superstructure of the loom, and thus permit the loom to be operated for a great length of time without renewal of the filling.

Referring to the drawings for more particular description,it will be understood that the loom is provided with the usual framework which need not be described in detail but which includes a simple superstructure comprising a bar 10 which may be utilized to support the spools or cops from which the filling is drawn. For each web that is to be formed by the loom, there is a pair of spools or cops 11, 12, from which the weftthreads 13, 14 are drawn. The spools are illustrated as being placed upon a vertical spindle 15 rising from a horizontal bar 16. The threads pass through eyes formed in rotatable guides which are journaled on the spindles 15. The threads are also drawn ov'er guides 18 formed on a cross-bar 19 supported by an upright 20. Any suitable tension devices may be utilized for the threads. As illustratechthe threads pass through a guide 21, thence under light spring guides 22 and through guides 23 to the needles. The S} )ring-ten'si0ning devices 22 are designed to take up the slack in the weft threads when the needles are withdrawn from the shed.

In lieu of all this mechanism which I have described, other equivalent mechanism may be utilized if desired, as it will be read ily understood by those skilled in the art.

The warp threads, as shown in Fig. 4:, are c'onx entionally indicated at 25, 26, and they are formed into a shed by any suitable harness mechanism. I have shown at 27 and 28 only two heddle frames but have not at tempted to show the mechanism by which they are actuated. It will be understood, however, that the harness mechanism may be varied in accordance with the character of the fabric to be produced or the pattern whichfit is desired to form. 29 indicates the batten provided with the usual reed 30 for beating in the filling after it has been laid in the shed. The finished fabric passes over a stationary beam or support 31, past the roll 32 and is wound automatically upon the roll 33. 31 may be supported in any convenient way on the frame-work of the loom, and is horizontally arranged as indicated in Figs. 2, 3 and 4. No limitation is intended by the use of the term beam, as it is used simply as meaning a stationary bar located at or near the front of the loom which is utilized to support the needles and incidentally the loop-engaging pins.

The needles are indicated at 34 and 35 respectively. They are oppositely curved, as best shown in Fig. 2, so that when they are out of the shed or in inactive position, their delivery ends are located fairly close to the selvage threads of the warp. They are pivoted respectively at 36 and 37 by pivots extending into the beam 31 at points laterally remote from the edges of the fabric and at some distance in front of the end of the shed, so that, when they are moved into the shed, as shown in Fig. 3, the filling will be laid at the end of the shed. For operating the needles, I may utilize any suitable mechanism for causing them to swing in opposite directions simultaneously or to lay both Weft threads in the shed. I have illustrated, for example, a sliding bar 38' which is operated by a grooved cam indicated at 39. This bar is pivoted at 40 to the projecting end of the needle 34, and is connected by a link 41 with the needle 35. The f pivot 42, which connects the link with the needle 35, is between the pivot pin 37 and the free end of theneedle and is located at the same distance therefrom that thepivot 40 is located from the pivot 36. As a result of this construction, the two needles are moved to the same extent in opposite directions when the bar 38 is reciprocated. The bar extends clear across the loom and operates as many pairs of needles as there are of each of the needles is provided with two eyes 43, 44, as shown in Figs. 5 and 6, there being a groove or recess 45 in the under side or face of the needle, so that the. thread may lie between the planes of the faces of the needle as it passes from one eye to the other; The weft threads 13 and 14 pass from the guides 23 to eyes 46 formed in the ends of inclined guides 47 which may be supported upon the beam31, and from the guides 46 the threads pass to the eyes in the needles. From the foregoing description, it will be observed that-the needles are not supported by the batten but are independent thereof, and, as stated, are

so located as to lay the filling in the end of theshed close to the finished fabric, The

What I have termed the beam reed frame on the batten, of course, has apertures or open spaces, through which the needles project when the batten is moving forward, as indicated in Figs/1 and 2'. The loop-engaging mechanism comprises, as illustrated, two pins 50 which are supported on the free ends of arms 51 secured to a rock-shaft 52 journaled in bearings 53 on the under side of the beam 31. This rockshaft extends clear across the loom and may actuate as many pairs of arms ,51 as there are webs to be formed. The rock-shaft 52 may be rocked by any suitable mechanism. I have shown the main crank shaft 153 as being provided with a cam 54 for rocking an upright pivoted arm 55. The said arm is drawn rearwardly by a spring 56 so that a roll 57 carried by the arm will be kept in engagement with the cam 54.. The upper end of the arm is connected by'a link or confrom the rock-shaft 52, so that once during each rotation of the cam shaft, the shaft '52 will be rocked firstin one direction and then in the other. The pins 50 are illustrated as of spring metal and are slightly curved, so

that, when their supporting arms '51 are rocked downwardly, the free ends of the pins will be drawn toward the edge of the beam as indicated in dotted lines in Fig. 4, so that they will be out of the way of the batten and the reed thereon.

I have not illustrated the swords for the batten in detail, but it will be understood that the batten is moved or reciprocated longitudinally of the warp in the proper time.

.For the purpose of operating the cam 39, I .have shown the shaft 61 as. being. driven from the crank shaft 153 by the bevel gears 62, 63, and the cam 39 as driven by means .of a bevel gear 64 intermeshing with and driving a bevel gear 65 formed on or connected to the cam 39.

fabrics to be formed by the loom. The end From this description, the operation of the loom will be readily understood. The parts are so arrangediand timed, that, when the shed has been formed and-[the batten has been withdrawn, the'needles are simultane =ously moved toward each other to lay the fillposite direction, and the pins retain the filling threads in position. Asthe'battenmoves forward, the pins are depressed so as to be disengaged from the loops and the reed beats the filling in place. The parts are "pref- .erably so timed that, as the pins disengage the loops, the loops are drawn slightly in ward acrossthe shed so that they will not .necting rod 58 with a lever 59 depending extend out beyond the selvage. In each pick there are laid in the shed two bights of each of the two fillings.

It will be readily understood by those familiar with the art that the operation of the mechanism described results in a formation at the selvage of similar edges, which is of course highly desirable. This is securedby reason of the fact that two fillings are simultaneously passed into the shed from opposite directions and then withdrawn before the shed is reformed.

It is quite evident that various changes may be made in the particular mechanism which I have illustrated and described as embodying the invention without departing from the spirit and scope of the invention.

Having thus explained the nature of my said invention and described a way of making and using the same, although without attempting to set forth all of the forms in which it may be made or all of the modes of its use, what I claim is:

1. A needle loom comprising shed-forming mechanism and a batten, in combination with a stationary support, weft-laying needles respectively pivoted to said support at points outside the selvage warps, mechanism for simultaneously swinging said needles about their respective pivots in opposite directions into and out of the shed to lay the weft threads simultaneously in the shed, pins located adjacent the selvage warps, and mechanism for causing said pins simultaneously and automatically to engage the weft threads and retain them in the shed when said needles are moved out of the shed.

2. A needle loom comprising shed-forming mechanism and a batten, in combination with a stationary support transverse to the warp, curved needles pivoted to the support at points outside the selvage warps and in front of the forward limit of travel of the batten, mechanism for automatically and simultaneously moving said needles in opposite directions about their respective pivots through the shed to lay the weft threads therein, loop-forming upright pins for engaging the weft threads and retaining them in the shed, stationarily-mounted operative mechanism for automatically operating said pins, and guides on said support for said pins.

8. A needle loom comprising shed-forming mechanism and a batten, in combination with a stationary support transverse to the warp, curved needles pivoted to the beam at points outside the selvage warps and in front of the forward limit of travel of the batten, mechanism for automatically and simultaneously moving said needles in opposite directions about their respective pivots through the shed to lay the weft threads therein, loop-forming upright pins located near the selvage warp threads for engaging the weft threads and retaining them in the shed, a rockshaft below and supported by said breast beam, arms fast thereon carrying said pins, and mechanism for rocking said shaft in timed relation to the operation of the needles.

4. A needle loom comprising a beam or support, a batten having a reed and movable toward and from the beam or support, weftlaying eyed needles each pivoted on said support outside the selvage warps and projecting, when in inactive position, toward the batten, guides on said beam or support for guiding the weft threads to said needles, shedforming mechanism, means for oscillating said needles in opposite directions to lay both weft threads in each shed formed by the shed-forming mechanism, pins adapted to engage the weft threads, and a shaft below said support provided with arms to support and simultaneously to actuate said pins.

In testimony whereof I have ailiXed my signature.

SOLOMON KENDRIOK.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, I). G."

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