US783578A - Loom. - Google Patents

Description

PATENTED FEB. 28, 1905.

F. s. HAMEL.

LOOM.

APPLICATION FILED my 29, 1903.

2 SHEETS-SHEET 1.

No.. 783,578. PATENTED FEB. 28, 1905. P. S. HAMBL.

LOOM.

APPLIOATION FILED MAY 29, 1903.

2 SHEETS-SHEET 2.

Wi wam,

INVENTOR:

" forks of a bracket 12.

no. "mama llliu'iirnn flfa11Es Patented February 28, 19115.

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SPECIFICATION formingpart of Letters Patent No. 783,578, dated February 28, 1905.

Application filed May 29, 1903. Serial No. 159,312.

To (Illa/17mm, it may concern/.-

Be it known that I, FELIX SHAW HAMnL, a subject of the King of Great Britain and Ireland, and a resident of llam worth, in the county of Stafford, England, have invented certain new and useful Improvements in Looms (lhiefly for l/Veaving Narrow Fabrics, of which the following is a specification.

This invention has for its object the construction of a loom chieliy for weaving narrow faln'ics which shall be capable of being driven or operated at a high speed,and therefore capable of a rapid rate of output. and which shall be simple in construction and comparatively cheap to manufacture.

A further object is to render such loom capable of long and continuous running with little or no attention on the part of the operator, and therefore permit of one operator attend ing to a larger number of looms than heretofore, also to provide for the automatic stopping of the loom when either the weft or warp fails.

To permit of the invention being more read ily understood and carried into practical effect, I have hereunto appended a set of drawings, whereon- Figure 1 illustrates a side elevation, partly sectional, Fig. 2, a front elevation, and Fig. ii a plan, of a loom c nstructed in accordance with the invention. Fig. -11 illustrates a rear view of a detached portion of the loom to a larger scale. Fi s. 5 to 9 illustrate other details separately.

According to the invention the improved loom is built upon a table 1. carried by and suitably bolted to an under frame or stand E5. Beneath such tab] 2 are the parts for driving the loom, and such parts consist chiefly of a main driving-shaft 1, an auxiliary drivingshaft 5, and a set of skew worm-wheels U 'i'. The shaft 5 is supported at one end in a bearing-sleeve 8, pivotally mounted in bracket 9, and at the other end is supported by a sleeve 10 and spiral spring 11, mounted between the Immediately above the said shaft is a further shaft 13, mounted in bearings in the under frame 2 and the bracket 12, and upon such shaft is a boss or collar 14.- with a cam-like projection 15, which upon the shaft 13 being rotated----say by the hand starting-lever 16 presses down upon the sleeve of the shaft and forcing such sleeve downward lowers the skew worm-wheel 7 into gear with the worm-wheel (5, and thus causes the shaft 5 to be rotated. For keeping the wheels permanently in gear the shaft 13 has a lever or linger-piece 3 which on the shaft 13 being rotated to lower the shaft 5- moves past and becomes retained by the spril'ig-pressiul latch-lmlt 16', carried in the bracket 16 Above the table 2 is the loom proper, the frame of which comprises a pair of uprights 17 18, joined by cross-stays 19, the upright 17 being forked at its upper part and forming the support and guides for a set of healds 2.0 21. These healds, which move up and down alternately with each other in forming the warp-shed, lie as close together as possible and each consists, preferably, of two vertical rods joined by cross-lmrs top and bottom with wires 23 or other suitable means to sluiport the heald-wires and hold them close together. The means for alternately raising and lowering the healds consist of two disk (01' earn) wheels 25 26, mounted upon a n'oss-shaft 27, and two links 28 E21,),theselatterbeingconnrat ed, respectively, to one of the wheelsand one of the healds and the point of connection with the wheels of onelink l eingdiametrically opposite that of the other, so that as the wheels rotate one heald moves up (or down) and the other moves down (or up). For inunu'ting motion to the disk-whecls their axis is litted with awmrn-wlieel in) below, and gearing with which is a further wor1nwheel 31, mounted upon a shaft 32, carried, by preference, in ballhearings in the loom-frame. llponsuch shaft 32 and upon the shaft are grooved pulleys 3+135, and around such pulleys is a driving band or cord 36, by which when rotated the shaft 5 rotates the shaft 527 and disk-wheels 25 2.6, and thus brings about the motionof the lnalds. As a modification the band 36mm have a hal f-twist and pass direct to and around a grooved pulley on the spindle 27.

Upon the front of the upright 17 is secured a bracket-like part 37, (see Fig. 4,) and such part comprises the weft-spool carrier 38 and the necessary means for supporting and traversing the carrier rapidly backward and forward through the warp-shed, also the take-up motion for the fabric as it is woven and an arrangen'lent of guide-wires for the loom-batten. The weft-spool carrier is, by preference, made of hard wood or hide and is supported on rods 39 or 39", according to whichever side of the loom it is on for the time being, the two sets of rods being in direct alinement with each other and the ends of the rods being rounded and as near together as the weaving operations will allow. For driving the carrier and spool through the warp-shed advantage is taken of the disk-wheels 25 26, upon the inner and opposite faces of which are formed cam projections 40" 40", and between which and mounted in bearings on the upright 17 is a sliding rod 41, the length of the rod being such as to be equal to the distance between the inner face of either disk and one of the cam projections. (See Fig. The cams are placed at right angles to each. other. Hence as the diskwheels rotate they serve to move the rod 41 first in one direction and then in the other.

Through the medium of a depending plate 42, secured to rod 41, and pin 43 and a slotted lever 44, mounted on a pivot or stud 45, and with which said pin engages, the motion of the rod is utilized, as hereinafter explained, for operating the weft-spool carrier 38. Upon the rear face of the bracket-like part 37 (see Fig. 4) is plate part 46, (see Fig. 9,) in the upper edge of which are two recesses 47" 47 Above and resting upon such plate part is a slide-bar 48, (see Fig. 5,) in the lower edge of which are two recesses 49 49". Immediately alongside such slide-bar is a fixed rod 50, and upon such a rod is sleeve 51. Engaging a pin 52 on such sleeve is the slotted and free end of the lever 44. Between the said sleeve and the slide-bar 48, also carried by the said sleeve, is a tappet-plate 53. Such plate lies between two slotted picker-plates 54" 54", carried by studs 55, attached to sliding bosses on two fixed rods 56 57. Upon each picker-plate is a pin and bowl 58, (see Fig. 7,) and the relationship of the parts is such that the bowl of one picker-plate is either in one of the recesses in the plate part 46 or on the top edge of such part and in one of the recesses in the slide-bar 48, or one is about to leave and the other about to enter the recesses 47 a 47". (See Fig. 9.) In enteringand leaving the recesses 47 47" the picker-plate bowls serve to alternately raise and lower the picker-plates, while the motion of the lever 44 serves to drive the sleeve 51, tappet-plate 53, and (through the slide-bar 48 and its recesses) the pickerplates to and fro. In the under face of the weft-spool carrier are two holes or cavities, the position of which relatively to the traverse of the picker-plates 54 54" is such that as either picker-plate rises it enters one of the holes in the carrier and moving forward or backward imparts the necessary traverse to the carrier, the other picker at the same moment being lowered and retiring from its engagement with the carrier, and so on continuously, one plate taking up the motion and then the other, and thus impelling the carrier through the warp-shed. To assist in raising the picker-plates, their lower ends maybe beveled and come against fixed inclines 59, while to prevent them rising too high the bowls may be caused to extend under the overhanging edge of a plate 60, (see Fig. 6,)situated behind theslide-bar 48.

61 is the batten for beating up the weft and composed of thin plates, secured at one end between a set of clamping-plates 62 and at the other endterminating in a bar or rod common to all, the width of the upper end being by preference greater than the width of the lower end. This batten is suspended axially from a pair of arms 63, secured to the upper portions of the upright 17. The necessary swing or beating-up motion is imparted to the batten from the healds through a lever 64, an adjustable connecting-rod 65, a lever 66, fulcrumed on bracket 67, and a pair of links 68" 68", secured, respectively, to the healds 29 and 2-1, as shown in Fig. 1. up and down the batten moves to and fro and beats up the weft, the movements synchronizing with those of the healds in forming the shed and those of the carrier 38. To steady the lower end of the batten and keep it to its work, I provide a series of guide-wires or dents 68, secured to the loom-frame at one end and to a suitable tension-plate 69 at the other end. As a modification I may dispense with guide-wires and use other and suitable means for steadying the batten.

The warp-threads in passing through the loom pass through the warp-tension devices. (Shown at the left-hand end of Fig. 1.) From thence they pass to the healds 20 21 and then to the taking-up rolls 7O 71, duly woven. In-

As the healds move termittent motion is imparted to the roll 70 through'link 7 2, lever 73, and a clutch device 74, this latter being also capable of rotation by hand. This clutch consists of a slotted part 74, engaging a flange 74" on the wheel 74 and forming part of the lever 73, the sides of the slot in part 74 being beveled, so that when the lever 73 moves radially it binds on the flange and rotates the wheel. The roll 71 is carried by the lever-arms 71 and rotates by friction, being firmly pressed by a springblade 71" and spiral spring 75 against the roll 7 O. A bell-crank lever 76 serves to withdraw and hold the roll 71 from contact with the roll '70, the shorter end of the lever when moved upward pressing against the blade 71" and by means of its flat end locking the roll in its nonworking position.

For stopping the loom in case a warp-thread its linger 86 then acting through link 87 upon res,

breaks I provide each warp-thread with a nee dle-bar 77, threaded thereon and extending downward through and below a grid like hanger 78. Below such hanger l arrange a shaft 7 9,with-longitudinal flanges or wings 80, constantly and slowly driven by bevel-wheels 81 and spur-wl'leels 82 from the loom-shaft 32. The hanger 78 I connect by red 83 to the upper end of a lever 84., the lower end of which takes into a notch in the head of the spring pressed latchingbolt 16 as shown. WVhen a warp-thread breaks, the needle-bar of such thread drops down into the path of the wings or flanges 80 of the shaft 7 9, which rotating presses the needle-bar, and with it the hanger 78, sidewise, thereby moving the link-rod 83 and lever 84: and causing the latter to draw the latch-bolt 16 out of engagement with the linger 13 of shaft 13, and thus allowing the shaft 5 to rise and stop the loom.

For automatically stopping the loom when the weft fails I employ a rod 85 with finger 86 at its lower end, connected by link 87 to the lever 84, and a linger 88 at its upper end, and this latter ll cause to lie in the plane of the weft tension-arm 89. (See Fig. 3.) So long as the weft is intact the tension-arm is clear of the linger 88; but immediately the weft fails such arm moving on its center under the pull of spring 90 comes opposite the linger 88 and meeting it rotates the rod 85,

the lever 84L and stopping the loom.

1n conclusion I would observe that it will are 3 What I claim is 1. In a loom, a set of healds comprising rods and cross-bars, a stationary frame wherein the rods of the healds are guided up and down, a cross-shaft supported by the said frame, and a pair of disk-wheels keyed on such shaft, links so connected to the disks and healds as to impart an up-and-down motion to the heal ds when the disks are rotated, and means for imparting motion to the disks, a batten pivotally suspended above the warp-threads, and levers and links by which the motion of the healds is imparted to the batten, as set forth.

2. In a loom, a set of healds comprising rods and cross-bars, a stationary frame wherein the rods of the healds are guided up and down, a cross-shaft supported by the said frame, and a pair of disk-wheels keyed on such shaft, links so connected to the disks and healds as to impart an u p-and-down motion to the healds when the disks are rotated, and means for imparting motion to the disks, a batten pivotally suspended above the warp-threads and levers and links by which the motion of the healds is ii'nparted to the batten, a bracketlike part secured to the aforesaid frame, a weft-spool carrier, rods for carrying such carrier arranged on opposite sides of the bracketlike part and in line with each other, a pair of picker-plates, and means for causing such plates to alternately rise and move the spoolcarrier to and fro, substantially as set forth.

In witness whereof I have hereunto set my hand in the presence of two witnesses.

FELIX SHAXV HAMEL.

W'itnesses XVILLIAM EAs'rwooD, J OHIN CAMP.

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