US2126645A - Loom filling carrier tip support - Google Patents

Description

1938.. H. J. LANIER LOOM FILLING CARRIER TIP SUPPORT Filed. March 18, 1937 JZYQIWy Jbrves Lander? Patented Aug. 9, 1938 into more aizae s LOGM FKLLKNG CARRIER Till SUPPOR Henry Jones Lanier, Langdale, Ala.

Application March 18, 1937, Serial No. 131,701

8 Claims.

This invention relates to an attachment for a loom which has for its purpose to support the tip of a filling carrier during positioning of the same in the shuttle, to prevent undue slackness in the filling thread and to prevent breaking of the filling thread at transfer.

A specific embodiment of the attachment which constitutes my invention is illustrated in the drawing in which:

Figure 1 is a sectional View in elevation show-- ing the relation of the parts at the time of replenishment of the filling,

Figure 2 is an enlarged plan view showing the shuttle and filling carrier tip support extending through the feeler slot,

7 Figure 3 is an enlarged elevational view of the tip support attached to thefilling parting means, and

Figure 4: is an enlarged perspective view of the tip support.

The filling carrier tip support of this invention is shown in combination with the 100th replenishing mechanism disclosed in the Stafford Patent No. 1,565,218, but it is to be understood that it is not limited. in any respect to this paricu lar type of loom. g

In brief, the replenishing mechanism comprises as disclosed in Figure 1, a magazine i of the rotary type provided with the usual means for supporting the filling carriers 2, a transferrer 3 positioned at the base of the magazine I adapted to transfer a filling carrier 2 from the magazine I to the shuttle i and to eject the exhausted filling carrier and filling parting means 5. The replenishing mechanism is connected as usual to a train of mechanism controlled by a feel-er finger. The lay is provided with a shuttle box '5 at the replenishing end thereof, adapted to the shuttle at the end of its flight, the forward wall of the shuttle box being slotted to provide an opening opposite the ieeler slot 8 of the shuttle when the latter is in replenishing position.

Referring more particularly to Figure 2, the filling parting means 55 is shown provided with an adjustable stop 2%, the end of which, by contact with the lay limits the movement of the filling parting means. The adjustable stop 9 provides a convenient means for attaching the filling tip support it to the filling parting means 5.

Figures 3 and 4 disclose the filling carrier tip support Hi, comprising a bowed wire including two sloping legs M and. i2 connected by a horizontal bight it, one leg 22 of the bow terminating in an eye it and'the other it slopingforwardly away from the plane of the leg M and bight l3 and having horizontal extension at its lower end which is perpendicular to the aforesaid plane, the extension being inclined inwardly and upwardly at ii? for aportion andfinally terminating in a portion ll perpendicular with respect to ti? 1 plane of theleg El and bight and provided at its free end with an upwardly facing concaveconvex tip it.

The tip support it is attached to the filling means by means or" the adjustable stop 9 and lock nut the shank of the stop passing through the eye iii of the filling tip support and the lock nut abutting the outer face of the same, the bow bridging the filling parting means 5, the leg ll sloping upwardly toward the filling parting means,v the bight it passing horizontally across the filling parting means the 52 sloping downwardly away from and forwardly of the filling parting means. The downwardly and forwardly sloping leg ii. at substantially the medial line of the filling parting means 5 is bentsubstantially at right angles to the plane formed by the leg M and bight nd extends outwardly therefrom for a portion 55 ts length parallel to and spaced from the filling ing means. The provision of the inclined on at iii-directs the wire to a point adjacent to the iii of the filling parting means at the upper edge and at that point, it continues horizontally outward at ll, the free end terminatahout one and one-half inches in advance of the tip id of the filling parting means. As previously stated, the free end portion ll of the wire is provided with an upwardly facing concavoconvex tip it.

In operation, as soon as the feeler finger indicates that the filling carrier is exhausted, the replenishing mechanism will set in operation to transfer a filled filling carrier 2 from the magazin i to the shuttle l and to eject the empty filling carrier. This operation takes place during the brief period that the shuttle 4 is boxed at the transfer end of the lay ii and while the i lay therefore "approaches its full forward position. lis the lay E3 beats-up into its full forward position, the filling parting enters the feeler sloth usual manner, but preceded in i instanceby the free portion. ll of the wire whichrides over the top of the ex hausted filling carrier due to the slightly convex under side it at the tip and to the natural resiliency of the wire which allot- 's the same to deflect from is normally horizontal pos'tion.

downwardly through the bottom of the shuttle 4.

The filling carrier 2 transferred from the hopper l necessarily enters the shuttle 4 above the end portion H of the wire and the tip 20 of the filled filling carrier 2 rests on and is supported by the concave end portions l8 of the wire, thus tending to prevent the tip 20 of the filled filling carrier 2 from falling or being forced below the level of the line of the shuttle eye 2|.

Immediately upon the proper seating of the filled filling carrier 2 in the shuttle 4, the lay 5 beats back, the wire and filling parting means are withdrawn, and the loom continues its operation until the filling carrier is again exhausted.

The configuration and disposition of the wire I0 is such that in its operation as a tip support, it does not interfere with the thread of the emptying filling carrier which is being ejected but serves to guide the thread into the filling parting means 5. In an automatic loom, it is necessary that the filling parting means catch, hold and cut the thread of the emptying filling carrier to prevent the thread from being pulled back into the cloth by the returning shuttle, particularly in instances where pulled-in thread is objectionable.

Frequently, the filling thread is displaced above or below the line of the filling parting means, and is not caught by the filling parting means. In order to overcome this, it is common in practice to set the filling parting means at a low angle so that its tip is slightly below the normal line of the thread. Such a setting insures the catching of a sagging thread, but if the thread is slightly above its normal line, it may elude the filling parting means and not be caught and cut. It is this latter condition which applicants wire cures. The presence of the wire I0 guides the thread into the jaws of the filling parting means.

'It is apparent from Figure 3 that the wire [0 slopes upwardly from the tip of the filling parting means, the free end 3 being at a substantially higher level than the jaws of the filling parting means and, therefore, it would pass over the top of a slightly upwardly displaced thread as it moves into the shuttle. When the new filling carrier is disposed in the shuttle, it depresses the tip [8 of the wire I!) as indicated in Figure l and, as a result, the thread of the emptying filling carrier, which is beneath the wire l0, slides along the undersurface of the wire into the jaws of the filling parting means.

In addition to serving as a guide, the wire ll] provides sufficient tension in the filling thread of the filled filling carrier to accomplish positive threading up. In the automatic replenishing loom the filled filling carriers are disposed in a magazine, the ends of the threads from the filling carriers being attached to a thread holding plate. When the transfer is made a filled filling carrier moves from the magazine down into the shuttle and as a result a certain amount of thread is pulled from the end of the filling carrier. If too much of the thread is pulled off at this time, there will be considerable slackness in the thread. Such a condition is not desirable because, in the threading up of the shuttle, unless the thread lies across the shuttle eye under considerable tension, it will not thread itself. Various means have been provided in the nose of the shuttle to engage the thread in order to obtain the desired tension in the thread. In the present case, the tip l8 of the wire l0 rests against the lower surface of the filled filling carrier during the period of transfer and threading up. The wire 10 being constructed of a resilient material, the tip [8 presses against the surface of the filling carrier with a fair degree of pressure and thereby acts to prevent the filling thread from running off the end of the filling carrier too freely. As a result, the tendency toward slackness is eliminated and the shuttle threads up properly.

The wire It], in addition, operates as a shuttle feeler in connection with the usual shuttle feeler. Double shots occur from the breaking of the filling and as the filling breaks frequently at the time of transfer, it is quite apparent that if the breaking can be eliminated at transfer, the objectionable feature of double shots will be in part eliminated. Breaking occurs when the shuttle is improperly boxed at transfer. If the shuttle is improperly boxed,'the tip of the wire [0 will strike the side wall of the shuttle, thereby preventing further forward movement of the filling parting means. As is usual in this type of loom, anything which prevents the filling parting means from moving forward will prevent the latch finger from engaging with the bunter, thereby making it impossible for the loom to transfer.

Such changes from the particular construction here shown as are within the range of mechanical skill may, of course, be made without departing from the spirit of the invention.

I claim:

1. In a bobbin changing loom operating with a shuttle having a bobbin therein, a filling parting means for the shuttle, and means carried by said filling parting means to support the tip of the filling carrier during the positioning of the filling carrier in the shuttle.

2. In a bobbin changing loom operating with a shuttle having a bobbin therein, a filling parting means for the shuttle, and means yieldably mounted with respect to said filling parting means to support the tip of the filling carrier during the positioning of the filling carrier in the shuttle.

3. In a bobbin changing loom operating with a shuttle having a bobbin therein, a filling parting means for the shuttle, and yielding means fixed to said filling parting means to support the tip of the filling carrier during the positioning of the filling carrier in the shuttle.

4. In a bobbin changing loom operating with a shuttle having a bobbin therein, a filling parting means for the shuttle, and yielding means fixed to the filling parting means to extend substantially parallel to and past the free end of the same to support the end of the tip of the filling carrier during the positioning of the filling carrier in the shuttle.

5. In a bobbin changing loom operating with a shuttle having a bobbin therein, a filling parting means for the shuttle, and yielding means fixed to the filling parting means to extend substantially parallel to and past the free end of the same, the outer end of said means being arranged to extend through the shuttle feeler slot during transfer of a carrier to engage and support the tip of the latter during its positioning in the shuttle.

6. A filling carrier tip support comprising a bowed wire, one leg of the bow terminating in an eye and the other leg extending at right angles to the plane of the how a substantial distance, and being provided at its free end with an upwardly facing concave tip.

7. A filling carrier tip support comprising a bowed wire, including two sloping legs connected by a bight, one leg of the bow terminating in an eye and the other leg extending perpendicularly to the plane of the bow, then sloping inwardly and upwardly for a portion and finally terminating in a portion perpendicular with respect to the bow and provided at its free end with an upwardly facing concavo-convex tip.

8. In combination, a filling parting means for loom shuttles, and yielding means fixed to the filling parting means, said means comprising a wire provided with an eye whereby it is attached to said filling parting means, a bow bridging the 10 filling parting means including a leg sloping upwardly toward the filling parting means, a bight extending horizontally across said filling parting means, and a leg sloping downwardly away from and forwardly of said filling parting means, the downwardly sloping leg being bent at the medial line of the filling parting means at right angles to the plane of the upwardly sloping leg and bight and extending parallel to the filling parting means to a point substantially in advance thereof.

HENRY JONES LANIER.

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