US2577449A - Filling fork well cleaner - Google Patents

Description

ec. 4, 1951- H. w. CARROLL 2,577,449

FILLING FORK WELL CLEANER Filed July 27, 1950 5 Sheets-5h66?. l

INVENTOR: Hon/A@ M (4f/@LL BY f M ATTORNEYS.

De. 4, 1951 H, W CARROLL 2,577,449

FILLING FORK WELL CLEANER Filed July 27, 1950 3 Sheets-Sheet 2 saJ 72 Hon/.4K0 M FAR/P041. l 2l INVENTOR- ATTORNEYS H. w. CARROLL 2,577,449

FILLING FORK WELL CLEANER Dec. 4, 1951 3 Sheets-Sheet 5 Filed July 27, 1950 UUBDDDD Ell 92 90 M3 l 94 Y 102 10i 105 /00 9g- Plgs f 9] maa "n 5f l# I,

QQ ulm 94 l; 96

/oWAfa WG9/PML L INVENTOR.

ATTORNEYS.

Patented Dec. 4, 1951 UNITED STATES PATENT OFFICE 8 Claims. I1

This invention relates to looms and more espe cially to a filling fork well cleaner therefor.

The lay associated with most types of -looms is usually provided with a transverse groove or filling fork well intermediate the ends thereof in which a filling fork moves upon each beat-up stroke of the lay, the function of this filling fork being to effect operation of a conventional stop motion of the loom for stopping the loom in the event a filling yarn is not thrown across the lay. In order to 'insure efficient operation of the filling fork, it has been necessary 'to periodically stop the loom and remove accumulations of lint or other foreign matter from the filling fork well.

It is, therefore, an object of this invention to provide means for automatically cleaning the filling fork well during continuous operation of the loom.

It is another object of this invention to provide an improved filling fork well cleaner comprising a tubular member which extends past the iilling fork well at the rear of the lay or adjacent the reed associated with the lay of a loom, and this tubular member having a plurality of openings thereinand to provide means connected to the tubular member automaticallyv operable upon each beat-up stroke of the lay for introducing a blast of air to the tubular member to be exhausted through said openings in the tubular member to thus dislodge or blow away any accumulations of lint adjacent and in the filling fork well. v

It is another object of this invention to pro'- vide, in an apparatus of the type described, means for introducing blasts of air to the tubular member upon each beat-up stroke of the lay compris'- ing a cylinder suitably secured to the lay and having the tubular member communicating with one end thereof and which has a spring loaded plunger or piston rod mounted in the other end thereof normally biased to extend out Aof the cylinder and to the inner end of which a piston is connected. The outer end of the 'piston ro'd will, upon `each beat-up stroke f the lay, engage the breast beam, or any other suitable fixed projection on the loom, for imparting inward movement to the piston rod and its associated piston to thus compress air within ythe cylinder and to force the compressed air through the tubular member.

It is still another object 'of this invention to provide, in an apparatus of the type described,

an extension on saidftubular member'which ein# tends `forwardly 1in* parallel-relation tothe filling v fork well and penetrates the laywith the free that the blast of air emitted from the free end of the tubular projection will remove accumulations of lint from the cam means to insure cih-'- cient operation of the filling fork.

Some of the objects of the invention having beenst'ated, other objects will appear as the description proceeds when taken in connection with the accompanying drawings in which- Figure l is a fragmentary top plan view showing a portion of one side and the front of a loom and showing the lay thereof with the improved filling fork well cleaner associated therewith;

Figure 2 is an enlarged vertical sectional View taken substantially along the line 2-2 in Figure l and showing the improved illing fork well cleaner associated with the breast beam and lay of the loom;

Figure 3 is an enlarged vertical sectional view through the lay of the loom and showing a part of the conventional actuating means for the filling fork being taken substantially along the line 3--3 in VFigure 1;

Figure 4 is a fragmentary elevation, with parts in section, looking substantially along the line 4-4 in Figure 1 and showing a part of the conventional mechanism associated with the lay of the loom for effecting operation of the filling forl in timed relation to movement of the lay;

Figure 5 is a fragmentary elevation with parts in section looking substantially along the line 5-'5 in Figure 3 and showing the conventional cam means for effecting operation of the filling fork;

Figure 6 is an enlarged fragmentary elevation looking substantially along the line 6 6 in Figure 4;

Figure '7 is an enlarged vertical sectional view,

through the cylinder for directing compressed air Y to the `filling fork well but showing the same disi associated from the loom for purposes Vof `clarity and `is ytaken substantially along the line A'1f- "1 in Figure y1;'

Figure 8 is a schematic fragmentary view showing va 'part of the air directing means and taken substantially along the line ii- 8 in Figure 3;

Figure 9 is an enlarged fragmentary top plan view similar to the centralportion 'of Figure l rbut showing arnodified form of the -invention as- 'fsooiated therewith; Y

Figure 10 is an enlarged vertical sectional View similar to Figure 2 and is taken substantially along the line IU-I in Figure 9.

Referring more specifically to the drawings, the numeral I0 indicates one of the side frame members of a loom, the upper front end of which is secured, in a conventional manner, to a conventional breast beam I I. The loom side frame member I0 also supports a conventional bearing block I2 suitably secured thereto as by screws I3 and in which one end of a crank shaft I4 is mounted for rotation. Only a part of thefcrank shaft I4 is shown and this crank shaft is driven in a well known manner and is provided with cranks I5, only one of which is shown in Figure 1. The crank |5 has the rear end of a pitman rod I6 rotatably mounted thereon, the front end of the pitman rod I6 being oscillatably connected asiat I'I to a sword 20. The lower end of the sword 20 (Figure 4) is fixedly mounted on a conventional rocker shaft 2| which is mounted for oscillation in the loom side frame member I0 and in a similar loom side frame member not shown disposed at the other side of the loom.

A sword, not shown, similar to the sword is disposed adjacent the right-hand side frame member which is not shown in the drawings and the swords 20 suitably support a conventional lay 22, this lay 22 having conventional shuttle boxes broadly designated at 23 on opposed ends thereof, only one of which is shown in Figure l for reception of shuttles indicated at 24a. The shuttle box 23 includes a conventional shuttle box bottom plate 24, the upper surface of which is disposed in substantially the same plane as a race plate or shuttle race 25, the shuttle race 25 being suitably covered with a fabric material 26 (Figure 2).

There are many types of lays with which the present invention may be used and the particular type of lay shown in the drawings is shown by way of illustration only, it being understood that the present invention may be used with any type of lay. The particular lay shown in the drawings is of the type such as is usually employed in association with looms of the XL and XD types manufactured by the Draper Corporation of Hopedale, Massachusetts.

A conventional reenforcing angle bar 30 is secured in a conventional manner to the lower surface of the lay 22 and extends substantially the full length of the lay usually terminating at opposed ends thereof short of the shuttle boxes 23, only one of which is shown in Figure 1. The lay 22 is provided with a groove extending substantially the entire length thereof between the shuttle boxes 23 for reception of a loose reed holder 3| which is held in spaced relation to the rear surface of the lay 22 by conventional spacing or adjustment bolts not shown and which is held against the spacing bolts by conventional loose reed clamp hooks 32, there being a plurality of reed clamp hooks 32 spaced along the lay 22. The

reed clamp hooks 32 slidably penetrate the layV 22 and are surrounded by suitable compression springs 33 which bear against nuts 34 on the reed clamp hooks 32 at their front ends, the rear ends of the reed clamp hooks 32 bear against the front surface of the lay 22 to thus normally urge the loose reed against the conventional spacing means provided therefor, not shown, between the front surface of the loose reed holder 3| and the rear surface of the lay 22. Thus, a groove 35 is formed between the rear surface of the lay 22 and the front surface of the loose reed holder 3|.

It win be observed in Figures 1 and 2 that .the

conventional reed 36 and the loose reed holder 3| also supports a conventional glass rod 3l which is adapted to prevent warp yarns Y from engaging the rear upper edge of the loose reed holder 3|. Since most loose reed holders, such as the holder 3| are made of wood or other light material, the loose reed holder 3| is supported or cradled in a reenforcing loose reed angle iron 40. The warp yarns Y are formed into fabric F upon each beatup stroke of the lay 22 in avconventional manner and the fabric F passes over a pair of cloth guide rods '4I and 42 suitably supported by the breast beam II after which the cloth or fabric F extends downwardly to a suitable cloth take-up mechanism, no t shown.

The lay 22, the race plate 25 and the fabric 26 are cut away to form a filling fork well 45 which extends transversely of the lay 22 and intermediate the ends thereof and in which a conventional filling fork 46 is adapted to fall or to be moved upon the absence of a filling yarn being thrown across the lay to be beat-up by the reed 35 upon a subsequent beat-up stroke.

The prongs of the lling fork 46 are suitably secured at their front ends on a conventional filling fork prong holder 41 oscillatably mounted in a center fork bracket 5. The filling fork holder 4l has a substantially L-shaped extension 5| extending through one side of Athe filling fork bracket and which is normally urged downwardly against the upper, surface of a filling fork cam 52 by a torsion spring 53. The llng fork cam 52 is flxedly mounted on a reciprocating center fork knock-off rod 54 which is mounted for reciprocation in the bracket 50 as well as a guide block 55 suitably secured to the frontsuriace of the lay 22. The left-hand end of the knock-off rod 54 in Figure 1 is pivotally connected as at 56 (Figure 6) to a center fork knock-olf lever or bell crank 5l. The knock-off lever or bell crank 5l is oscillatably mounted as at 60 on a knock-off bracket 6I suitably secured, as by screws 62 to the front surface of the lay 22.

The center fork knock-off bracket 6| has a pair of vertically spaced projections 63 thereon in which a fork knock-off actuating rod 64 has vertical sliding movement. This fork knock-off actuating rod 64 has a bunter sleeve or bunter 65 fixedly mounted thereon, as by a screw 66, and which is adapted to engage an arm 61 projecting from the bell crank 51 upon each upward stroke thereof. Vertical movement is imparted to the bunter 65 upon each backward stroke of the lay 22 by a link or push rod 10 (Figure 4) which is pivotally connected, as at 'II, at its upper end to the bunter 65 and is pivotally connected, as at I2, at its lower end to a bracket I3 suitably secured, as by screws 14 to the inner surface of the loom side frame member I0.

The center fork knock-off lever 5l has a forwardly projecting knock-off bar '55 inegral therewith which is adapted t0 move between forwardly projecting stops I6 and 'I7 which are spaced apart from each other and are integral with the bracket 5I.

Referring again to Figures l and 5, it will be observed that the right-hand portion of the center fork knock-off rod 54 is surrounded by a compression spring 80, the left-hand end of which bears against the bracket 50 and the right-hand end of whichbears against a collar 8| suitably secured on'the knock-off rod 54 and thus the compression spring normally urges the knockgever-sfr and thus normally urges the projection l5 of the lever 5l against the stop 1l.

Now, upon each backward stroke of the lay 22, the bunter 65 is moved upwardly due to the reduced distance between the bracket 6| and the bracket 'i3 (Figures 4 and 6') and thus the bunter B5 will engage the arm 5l of the lever 5l causing the projection 'l5 to move into engagement with the stop l@ projecting from the bracket 5|. This will cause the cam 52 to move from right to left in Figures l and 5 during backward movement of the lay 22 thus causing the prongs of the lling fork to move upwardly at their rear ends or toward the observer in Figure 1. The shuttle 24a is then thrown across the lay -22 and, in the event a filling yarn is not thrown across the lay, upon the following beat-up stroke of the lay 22, the torsion spring 53 will cause the prongs of the filling fork 45 to move into the filling fork well 45 below the level of the fabric material 26 or the top surface of the shuttle race plate 25.

Thus, as the lay 22 moves forwardly, in which event the bunter moves downwardly and out of engagement with the arm 6l (Figure 6) of the lever 5l, the extension 5l of the filling fork 45 will move into the notch 52a (Figure 5) as shown in Figure 5 thus limiting movement of the cam 52, the knock-orf rod 54 and the projection 'l5 on the knock-off lever 5l to cause the projection 'l5 to stop in a position intermediate the projections l5 and 'll on the knock-off bracket 5|. This will position the projection 'i5 to where it will actuate conventional knock-olf mechanism, not shown, for stopping the loom.

On the other hand, when a lling yarn is thrown across the lay by the shuttle 24a the lling yarn will extend across the filling fork well 45 and the tension in the torsion spring 53 is such that it will not force the prongs of the filling fork 4S downwardly into the filling fork well 45 -1` as the prongs engage the filling yarn. Thus, the extension 5l of the filling fork 46 will remain in a partially elevated position suciently high enough so that the cam 52 may continue its movement from left to right upon a forward stroke of the lay 22 without the projection 5| of the lling fork 4G engaging the notch 52a. and, Jtherefore, the compression spring Sil will urge the projection l5 of the knock-off lever 5l to the position shown in Figure 6, that is, against the projection 'll on the knock-olf bracket 6I. With the projection l5 of the knock-off lever 5l in the position shown in Figure 6, the projection l5 will not engage the conventional knock-01T stop motion of the loom and will thus permit the loom to continue its operation.

rlhe parts of the loom heretofore described are conventional and constitute no part of the present invention, however, it is with these parts that the present invention is adapted to be associated. The particular stop motion heretofore referred to and which is adapted to be actuated by the positioning of the projection 'i5 (Figure 6) on the knock-off lever 5l upon the projection 'l5 being positioned intermediate the projections 'F6 and 'il is of the type such as is associated with looms of the type heretofore described and this particular stop motion is clearly shown on a sheet entitled Center l'ork Filling Motion, Sheet No. 4, copyrighted 1939 by Draper Corporation, Hopedale, Massachusetts, this sheet being a part ofa catalogue of parts distributedl by saidDraperV Corporation.

Heretofore during continuous er'ieration of the loom a considerable airiout of lint andVv ether movement.

Y 6 fine matter would acc'uri'i late in the filling fork well 45 and the notch 52a of the filling fork cam 52. This wouldy result irlfailure of the prongs of the lling fork 46 to move into the lling fork well '45 due to the fact that the accumulation of the lint in the filling fork Well would restrict movement rof the prongs of the filling fork 45 into the lling fork well 45 in the event a weft or filling yarn is not thrown across the lay or the accumulation of lint in the notch 52a would restrict movement of the ex; tension 5| of the filling fork 46 into said notch and, therefore, the loom would continue to operate although a lling or a weft yarn may not have been thrown across the lay and this would result in imperfect fabric being woven. Heretofore, in order to avoid an excessive accumulation of lint in the filling fork well 45 or the notch v520i of the knock-off cam 52, it has been necessary for the operator to stop the loom periodically and to manually remove the lint or other foreign matter from the filling fork well 45 and the notch 52a of the cam 52. This invention provides means for preventing an accumulation of f lint in either the notch 52a of the cam 52 or the filling fork well 45.

The filling fork well cleaner comprises a cylinder 99 (Figures 1, 2 and 7) which may be of any desired construction and is shown as being closed at its right-hand' end in Figure 7 as at 9i. The left-hand end of the cylinder 90 is closed by a cylinder head member 92 threadably mounted on the cylinder 99 and in which a piston rod or plunger 93 has longitudinal sliding The piston rod has a piston in the form of cup washer 94 mounted on the righthand end thereof and this cup washer being loosely mounted on the piston rod 93 and held in place by washers 95 engaging opp-osed surfaces of the cup washer 94 and spaced nuts 96 are threadably mounted on the piston rod 93 and engage the remote surfaces of the respective washers 95 to thus secure the cup washer 94 on the right-hand end of the piston rod 93.

The cylinder head 92 has an annular projection Sl integral therewith which surrounds the piston rod 93 and which is surrounded by one end of a coiled compression spring |09. The compression spring, of course, surrounds the eX- posed portion of the piston rod 93 and its lefthand end in Figure 7 is mounted on a pilot sleeve lill slidably mounted on the piston rod 93. A pair of lock nuts |92 and itt are mounted on the outer or free end of the piston rod 93 and thepilot sleeve IDI is urged against the lock nut m3 by the compression spring i5! to thus normally urge the piston 94 from right to left in Figure 7. 1

In order to prevent an accumulation or" lint or other foreign matter between the coils of the compression spring lili), a cleaner sleeve 55 is loosely mounted on the piston rod 93 between the projection 91 onv the cylinder 92 and the pilot sleeve iol and, upon movement of the piston rod 95 relative movement is caused between the cleaner sleeve |95 and the piston rod 93. The cylinderli has a port IBS therein adjacent the cylinder head 92 which is provided to permit ingress and egress of air between the piston 94 and the cylinder head 92 upon movement of the piston 93 longitudinally of the cylinder 90.

The cylinder 99 has a pair of oppositely directed radially extending projections or flanges Ill) integral therewith which 'are penetrated rby fsrews III serving'a'sa suitable r'r'iea'n'sfor'is'ecur= ing the lcylinder 90 tothe`front surface of vthe! i lay 2,2, th'e`1ay22 having a suitable cavity therein` for reception of therear portionaof the cylinderv 90 as is clearly shown in Figures 1 and 2. A tubular member or pipe H2 is suitablyconnected in communicating relationwnith the closedN end to the axis of the cylinder 90 and extends along the groove 35 between the lay 22 and the loose reed holder 3|.W'V'Ifhe loose reed holder has a notch *or groove H4 therein whichisprovided for reception of a substantially U-shaped rear wardly bent portion H5 of the pipe H2 and` which is disposed beneath the lower edge of the reed 3G as is clearly shownin Figure 2. The front surface of this rearwardly bent substantially U-shaped portion H5 is provided with a plurality of openings H6 (Figure 8) disposed in alinement with the filling fork well 45 for purposes to be presently described. The tubular member or pipe H2 then again extends along the groove 35, as at H1 (Figure 1) and has a forwardly extending portion integral therewith which slidably penetrates the lay 22 and the free end of which terminates closely adjacent the notch 52a in the cam-52 as will be observed in Figure 3.

The piston rod 93 is of such length that in the course of beat-up stroke of the lay 22, the free or outer end thereof will engage the breast beam H substantially as shown in Figure 2 and with continued forward movement of the lay 22 to its .beat-up point, the piston rod 93 will then recede into the cylinder 90 causing relative movement of the piston or cup washer 94. This will,

of course, cause compressed air to be forced from the cylinder 90 through the pipe elbow H3 and the pipe H2 to be discharged through the openings HS in the substantially U-shaped portion of the tube or pipe I 2 and as well as through the free outer end of the forwardly projection portion |20. It is thus seen that upon each beat-up stroke of the lay 22, a blast of air will be emitted from the openings HB in the U-shaped portion H5 of the pipe H2 and through the free end of the forwardly projection portion |20 of the pipe H2 to thus remove and prevent the accumulation of lint or other foreign matter in the lling fork well as well as in the notch 52a of the cam 52.

It is evident, that upon each backward stroke of the lay 22 the compression spring |00 (Figure '7) will urge the piston rod 93 outwardly with respect to the cylinder 90 and will cause the piston 94 to move from right to left thus positioning the piston rod for a repeat operation.

It is thus seen that there is provided an apparatus for cleaning the lling fork wells 45 and the notch 52a of the cam 52 upon each beat-up Referring to Figures 9 and 10 there is shown a modified form of the filling fork well cleaner which operates in substantially the same manner.

asthe original form of filling fork well cleaner-V shown in Figures 1 to '1, inclusive, and the same reference characters shall apply to those parts of the loom and the modified form of the invention shown in Figures 9 and 10 which are identical to the parts shown in Figures 1 to 8, inclusive, with the prime notation added to those parts shown in Figures 9 and 10.

The object of the modified form of the invention is primarily to provide means for mounting the cylinderl which admits compressed air to the filling fork Well 45 and the cam 52 without the necessity of providing a cavity in the lay 22 to avoid any possibility that the cavity may, in time, weaken the lay 22 structurally.

The modified form of filling fork well cleaner comprises a cylinder |25 which is substantially the same as the cylinder shown in Figure 7. The cylinder |25 is closed at its right-hand end in Figure 9 by a cylinder head |26 in which a piston rod or plunger |21 has longitudinal sliding movement, there being a suitable piston |30 suitably secured on the inner end of the plunger |21 within the cylinder |25. The piston |30 may be identical to the piston comprising a cup Washer 94 in Figure 7.

The cylinder |25 is provided with a projection or plate portion I3! which is penetrated by screws |32, only one of which is shown in Figure 10, for securing the cylinder |25 to the lower surface of the horizontal leg of the angle bar 30'.

`It is evident that the particular type of structure shown in Figures 9 and 10 relating to the modied form of the filling fork well cleaner may be more readily adapted to the type of lay which does not have a separate loose reed holder and wherein the reed holder is an integral part of the lay. However, for purposes of clarity, the modied form of the invention is shown in association with the lay identical to that associated with the original form of the invention.

The plunger or piston rod |21 extends outwardly and rearwardly from the cylinder |25 and is then bent upwardly as at |34 and is bent at right angles to form a forwardly extending portion |35. This forwardly extending portion |35 slidably penetrates the vertical portion of the loose reed angle iron 40', the loose reed holder 3| and the lay 22. The lay 22 is shown in Figures 9 and 10 as being substantially midway of its stroke in either direction and it will be 0bserved that the forwardly extending portion |35 of the plunger |21 extends substantially beyond the front surface of the lay 22. and at the particular position at which the lay is shown in Figure 10, the free or front end of the portion |35 of the plunger 21 is shown in engagement with the rear surface of the breast beam A compression spring |36 surrounds the forwardly projecting portion |35 of the plunger |21 and its right-hand end in Figure 10 bears against'l the front surface of the lay 22', its lefthand end bearing against a washer |31 which is held in adjusted position by lock nuts |38 and |39 threadably mounted on the left-hand end of the portion |35 of the plunger |21 in Figure 10.

A tubular member of pipe H2 which is substantially the same as the pipe H2 associated with the original form of the invention is provided in association with the modied form of filling fork well cleaner. The pipe H2 extends along the groove 35 between the lay 22 and the loose reed holder 3| and its left hand portion in Figure 9 is provided with a substantially U- shaped portion H5' which is provided with perpipe' Il'2 and showgirl Figure 8.

forations or opei'iingsy in l'the front surface thereof identicalt'othe openings ||6 associated'with the The lleft-hand portion of the pipe Iig then extends along the groove 35 as at and is bent to forma forwardly extending portion |20' the free end of which is open to permit compressed air to, be emitted from the free end thereof as well as through the openings in the portion H. The pipe H2 diifers lfrom the pipe H2 only in the manner `,in which it is formed so as to communicate with Vthe left-hand end of the cylinder |25 in Figure flO.

The right-hand end nearest theobserver in Figure is bent downwardly, as at |43 and is then bent rearwardly at the lower end of the portion |43 to form a horizontal portion |44, the-pipe then being bent inwardly or to the left in Figure 9 to form a portion M5, the left-hand end of which is connected in communicating relation to the cylinder |25 adjacent the cylinder head |25 as at |45.

It is thus seen that the horizontal or forwardly extending portion |35 of the plunger |21 will cause a blast of air to be emitted from the opening's in the portion H5 of the pipe H2 as well as from the free end of th-e forwardly projecting portion of the pipe H2 upon each beat-up stroke of the lay 22 in substantially the saine manner in which the operation is performed with respect to the original form of lling fork well cleaner shown in Figures l to 8, inclusive. It is evident that the compression spring |36 will cause the plung-er |21 to recede into the cylinder following each beat-up operation and during the return or backward stroke of the lay '22'.

In the drawings and specification there has been set forth a preferred embodiment of the invention and although speciiic terms are employed, they are used in a generic and descriptive sense only and not for purposes of limitation, the scope of the invention being dened in the claims.

I claim:

1. In a loom having a lay provided with a filling fork Well intermediate the ends thereof and in which a filling fork is adapted to move when a weft yarn is not thrown across the lay, means for preventing the accumulation of lint and the like in the filling fork well comprising a pipe extending past the filling fork well and having at least one opening therein disposed in closely spaced relation to the filling fork well and means for directing compressed air through the pipe to be emitted into the filling fork well upon each beatup stroke of the lay to remove and prevent accumulation of lint in said well.

2. In a loom having an cscillatable lay provided with a filling fork well therein, means for preventing an accumulation of lint and other foreign matter in said filling fork well comprising a pipe extending past said well in close proximity thereto, said pipe having at least one opening therein on its side adjacent the filling fork Well and means for automatically admitting a blast of compressed air to said pipe to be emitted from said opening in the pipe upon each beat-up stroke of the lay.

3. In a loom having a lay provided with a filling fork Well intermediate the ends thereof, means for automatically cleaning the filling fork well comprising an air cylinder mounted in fixed relation to the lay and having a piston therein, means for transmitting air from the air cylinder to the end of the tube H2' or thel 10 lling fork well and means for actuating said piston upon each beat-up stroke of the loom.

fl. In a loom having a lay, means for automatically cleaning said lay comprising an air cylinder mounted on said lay and having a piston therein, means for transmitting air from the air cylinder to a selected portion of the lay of the loom and means for actuating said piston upon each beat-up stroke of the loom.

5. In a loom having an oscllatable lay and also having a frame and said lay having a transverse groove in the upper surface thereof, apparatus for removing and for preventing an accumulation of lint and the like in said groove comprising a tubular member extending adjacent s aid groove and being provided with at least one Vopening therein facing said groove, a cylinder mounted in xed relation to said lay, a piston mounted for longitudinal movement in said cylinder and having a piston rod integral therewith and projecting forwardly from said cylinder, spring means associated with said piston rod for normally urging the piston outwardly of said cylinder, means connecting said tubular member to the end of said cylinder lremote from the end from which the piston rod projects, said piston rod being so positioned as to engage a portion of said frame upon each beat-up stroke of the lay whereby movement of the lay will cause the piston rod to move inwardly in said cylinder to cause a blast of air to be emitted from the opening in said tubular member adjacent the groove in the lay.

6. In a loom having a lay provided with a transversely extending filling fork well and also having a lling fork adapted to move into said filling fork well upon a beat-up stroke of the lay in the event a filling or weft yarn is not disposed across the filling fork well and also having a lling fork knock-olf cam and means on the filling fork for engaging said filling fork knock-off cam for transmitting oscillation to said lling fork, apparatus for removing and preventing accumulation of lint in the filling fork Well and on said lling fork knock-olf cam comprising a cylinder mounted in fixed relation to said lay, a plunger mounted for sliding movement in said cylinder and extending outwardly therefrom, a piston mounted on the inner end of said plunger relative to the cylinder, a pipe connected to one end of said cylinder and extending past said filling fork well and also having an open end terminating closely adjacent the lling fork knockoff cam, said pipe being provided with at least one opening adjacent said lling fork well and means on the loom engageable by the plunger upon each beat-up stroke of the lay to thus cause the plunger to move said piston longitudinally of the cylinder to, in turn, cause a blast of air to be emitted from the opening in the pipe adjacent the filling fork well as well as from the open end of said pipe to thus direct a blast of air into the filling fork well and onto the filling fork knock-off cam.

7. In a loom having a frame and also having a lay provided with a transverse filling fork well therein, means for preventing an accumulation of lint in said lling fork well comprising a cylinder, means securing the cylinder to the lower surface of the lay, a plunger projecting outwardly from said cylinder and then upwardly and then horizontally and slidably penetrating saidlay, spring means n-ormally urging the plunger in one direction, a pipe connected to one end of said cylinder and extending adjacent said filling fork .Well and having at least one opening therein, a.

piston on the end of said plunger disposed within the cylinder and means on the loom engageable by said plunger upon'each beat-up stroke of the loom to cause movement of the piston in the .cylinder to thus direct a blast of air from the opening in the pipe into the filling fork Well for removing lint therefrom, said spring means serving to return the plunger to its original position following each beat-up stroke of the lay.

when a lling or weft yarn is not disposed across the filling fork well and also having a filling fork knock-olf cam having means for engagingsaid V`*filling fork for ltransmitting oscillation to said filling Vfork, apparatus for removing and preventing accumulation of lint in the lling forkwell and on said filling fork knock-off cam compris-v ingY a cylinder mounted'in xedrelation to said 'lama plungerrmounted for sliding movement in said cylinderv and extending outwardly therefrom 'and' then vertically and then horizontally and slidably penetrating the lay, a piston mountedon rthe end *of said plunger within. the cylinder, a

l pipe connected to saidA cylinder and extending past said lling fork well and also having an 'open end' terminating closely adjacent the lling fork knock-01T" cam, said pipe being provided with lat least one opening adjacent said Afilling fork '.well and means on the loom engageable by the plunger upon each beat-up stroke of the lay to .thuscause the plunger to move said piston longitudinally of the cylinder to, in turn, cause a blast of air to be .emitted from the opening in the pipe adjacent the filling fork well and from the free end of said pipe to thus direct a blast of air into the lling fork Welland onto the lling fork knock-off cam.

HOWARD W. CARROLL.

REFERENCES CITED The follovving references are of record in the le of this patent:

UNITED STATES PATENTS V Number Name Date 674,157 Baker et al May 14, 1901 2,226,280 Bahan Dec. 24, 1940

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