US621751A - Lay fcir looms - Google Patents

Description

UNTTE STATES i PATENT Eric-E.

GEORGE A. DRAPER AND CHARLES E. ROPER, OEHOPEDALE, MAssACrut sETTs, AssIGNORs To THE DRAPER COMPANY, OE sAME PLACE AND PORTLAND, MAINE.

LAY-FOR Looms.

SPECIFICATION forming part of Letters Patent No. 621,751, dated March 21, 1899.

Application mea April-1,1898. seria No. 676.325. (No model.)

To all whom t may concern:

Be it known that we, GEORGE A. DRAPER and CHARLES F. ROPER, of Hopedale, County of Worcestertate of Massachusetts,have invented an Improvement in Sheet-Metal Lays without decreasing the stiffness and rigidityl thereof.

We will now describe one form of lay embodying our invention and will particularly point out the novel features thereof in the claims.

Figure 1 is a front elevation centrally broken out to save space of a loom-lay embodying our invention. Fig. 2 is an enlarged transverse sectional view thereof on the line looking toward the right. Fig. 3 is a sectional view on the line an' so, Fig. 1, looking toward the left. Fig. l is a left-hand end elevation of the lay. Fig. 5 is a right-hand end elevation thereof; and Fig. 6 is a perspective detail of one of the brace members of the lay, to be referred to.

The main or body portion of the lay. is composed of sheet metal bent longitudinally to form parallel stiening-flanges a a', with a connecting-web ax, the latter forming a continuous running surface or raceway for the shuttle, the body of the lay being substantially like an inverted trough. At each end the web ctx is longitudinally slotted for the picker-stickP P', Fig. 1, and at the left-hand end two upright parallel channel-plates 3 3 are mounted beneath the raceway, one at each side of the picker-slot a2, (see Fig. 2,) said plates being herein shown as :l-shaped in cross-section. The outer ends of the plates, which form the sides of the picker-Opening, are held securely in place by metal distanceblocks Il, (see Fig. 4,) through which and the flanges of the lay-body are extended bolts a3,

closing the end of the lay and strengthening it at the same time. At their inner ends the ment of one of the lay-swords A, said braceblock having a suitable buer or cushion p' mounted thereon between the plates 3 for the picker-stick P on its inward stroke. The block b has transverse holes therein for attaching-bolts 6, Fig. 1, which pass through the anges aa' and lirinly connect the laybody and brace-block, and also securing the lay to the sword A. A laterally-extended ear h' projects from the front side of the block, passing through a slot in the flange ot to support the inner end of the front wall c of the left-hand shuttle-box, (see Fig. 1,) the other end thereof being supported by and attached to an ear d', extended through flange ct from a bracket d, attached to the inner face of the ange ct by bolts 7 and located between the brace l) and the end of the lay. The bracket cl has a depending foot cl2, recessed to receive the picker check-strap S in usual loop form and secured to a hanger a4, bolted to the rear ange a', the foot clzhavingits end outwardly extended at d5, Figs. 1 and 2, beneath the edge of the strap. A lug d4 on the bracket has attached thereto by a bolt S an arm d5., y

which acts frictionally on the strap to prevent too freemovement thereof under the impact of the picker-stick.

The flanges a a and the web aX are cut away to register with a transverse depression b2 in the top of the brace-block b to receive the usual grating g, with which the fillingfork coperates.

At the left-hand end of the lay the flanges a a are reduced in width, as shown in Fig. 1, and at the other end of the lay the flange a is similarly shaped; but the flange a is out away, as at a6, to facilitate the discharge of a spent filling-carrier from a shuttle in the adjacent shuttle-box.- y

Back of the path of the picker-stick P a guide-plate e is inserted, held at its outer end in a block 12, Fig. 5,inserted 4between the flanges a and a at the extreme end of the lay and rigidly secured thereto by bolts 13, the inner end of the guide-plate being attached IOO to a brace-block e, (see dotted lines, Fig. 1,) bolted to and between the flanges of the laybody and to the lay-sword A by suitable bolts 15. The guide-plate eX has formed thereon a depending lip e', to which is connected by a link e2 a bar-like casting e3, which supports a lling-guide chute e4 and the picker checkstrap S', substantially as shown in United States Patent No. 596,448, dated December 2S, 1897.

As shown in Fig. 1, the block e has a lug e5 extending through the dan ge a, to which one end of the shuttle-box wall e is attached, the other end of the wall being attached to a lug e7 on the guide-plate eX.

Abunter @Sis bolted to the front of the lay in front of the brace-block e, said bunter serving to operate filling-changing mechanism at the proper' time to eject a spent filling-carrier from the shuttle when in the ri ght-h and shuttlc-box andto insert a fresh supply of filling therein-as, for instance, in United States Patent No. 529,940, dated November 27, 189i.

The reed-cap R is attached to the upwardlyextended ends of the lay-swords A A', and the lower ends oi' the reed-dents RX enter a bar R', Fig. 3, which is firmly held in the lay in a peculiar manner.

For a portion of its length between the brace-blocks b and e the sheet-metal web or raceway ax is not extended rearwardly for the entire width of the web, but is bent downward, as at d10, Fig. 3, and then rearwardly at L12 to the flange a', the depth of which at such portion is correspondingly decreased. A seat is thus made at the back of the lay for a clamp-bar f, which may be made of metalor wood, having a longitudinal semicylindrical recess for the reed-bar R', the downtnrned and slightly-concaved part aloof the web bearing against the opposite side of the bar R'. Two threaded studsj", mounted in the clampbar, are extended forward through openings als in the wall d10 and enter the threaded shanks of clamp-nuts f2, extended through the front flange a, the inner ends of the nuts bearing on a brace fx, l-1-shaped in cross-section, which is bolted to the flange a. It will be seen that bytightening the nuts f2 the reed-barR' will be clamped between the downturned part d10 of the web and the clamp-bar f, holding the reed firmly in place, yet permitting its ready removal, if necessary, the brace j'X taking up the thrust of the clampbar f.

From the foregoing description it will be obvious that the lay comprises, essentially, a sheet-metal body portion presenting a continuous raceway for the shuttle strengthened and stiened at its ends and at the points of attachment to the lay-swords by brace-blocks interposed between the t ront and reariianges of the sheet-metal body and rigidly attached thereto.

Below the reed the body of the lay is shaped to form a seat for a clamp-bar, which coperates with a portion of the seat to rigidly hold the bottom of the reed firmly in place.

Our invention is not restricted to the exact construction and arrangement shown, asl the same may be modified without departing from the spirit and scope of our invention.

Having fully described our invention, what we claim, and desire to secure by Letters Patent, is-

1. A lay for looms, comprising a sheetmetal body portion havin g lon gitudinal,downturned flanges and a connecting-web forming a continuous raceway, said web having longitudinal yslots for the picker-sticks, lparallel channel-plates beneath the raceway, one at each side of a picker-slot, and transverse brace-blocks interposed between and secured to the flanges, the inner ends of the channelplates being supported by the brace-blocks.

2. A lay for looms, comprising a sheetmetal body portion bent to form front and back flanges with a connecting-web presenting a continuous shuttle-raceway, longitudinal slots in said web for the picker-sticks, the web being reduced in width between its ends and bent in a curve downward, and rearwardly parallel to the main portion of the web, to form a seat in the body portion for the bottom of the reed, and a clamp-bar in said seat having a longitudinal, concave recess opposed to the curvature of the sheetmetal body portion, to clamp the bottom of the vreed in place.-

3. A lay for looms,- comprising a sheetmetal body portion bent to form front and back Hanges with a connecting-web presenting a continuous shuttle-raceway, the web being reduced in width and bent downward and rearwardly between'its ends to form a seat, a clamp-bar in said seat, to engage the bottom reed-bar, and means to move the clamp-bar and retain it in adjusted position.

4. A lay for looms, comprising a sheetmetal body portion bent to form front and back ilanges with a connecting-web presenting a continuous shuttle-raceway, longitudinal slots in the web for the picker-sticks, guide-plates extended longitudinally below the slotted portions, at the side of the pickerstick paths of movement, and brace-blocks interposed between andsecured to the flanges of the body portion, the guide-plates being attached to the brace-blocks and supported thereby.

In testimony whereof we have signed our names to this specification in the presence of 'two subscribing witnesses.

GEORGE A. DRAPER. CHARLES F. ROPER.

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