US903885A - Top-roll clearer for drawing-rolls. - Google Patents

Description

J. F. REED.

TOP ROLL GLEABER FOR DRAWING ROLLS.

APPLICATION FILED APB-11, 1908.

Patented Nov. 17, 1908.

JAMES F. REED, 0F SOMERSWORTH, NEW HAMPSHIRE.

TOP-ROLL CLEARER FOR DRAWING-ROLLS.

Specification of Letters Patent.

Patented Nov. 17, 1908.

Application filed April 11, 1808. Serial No. 426,541.

To all whom it my concern:

Be it known that I, JAMns 1*. Reno, at citizen of the United States, and resident of Soniersworth, county of Strafford, State of N ew'Hampshire, have invented an Improvement in Top-Roll Clearers for Drawing- Rolls, of which the following description, in connection withthe accompanying drawing, is a specification, like letters on the drawing representing like parts.

This invention has for its object the production of a novel and eflicient top-roll clearer for the drawii'ig-rolls of spinning or drawing frames, whereby the clearing operation is greatly improved and a much better quality of yarn or roving secured.

It is well known to those familiar with the practical operation of spinning and drawingframes that the percentage of fly and dirt taken up from the back rolls is very small and can be easily taken care of, but the short fly and dirt collects in much greater quantity on the front top-roll, and much trouble has been experienced because of the accumulation of waste between the front and middle rolls, and on the face of the front roll. This is caused by the parting of the sliver in the draft between the middle and front rolls, and the collection of waste retards the motion of the middle roll and thereby results in uneven draft. Portions of the-bunches of waste drop'back into the stock causing bunches in the yarn or roving, and other portions are caught at the face of the usual clearer board and on the crown of the front roll and form like a veil down the front, dropping and feeding back into the yarn or roving and resulting in bunches and breakage.

It is very difficult, with the clearer devices now in general use, to keep the rolls clean and to prevent the bunches of waste from getting into the yarn or roving. In my present invention I have overcome these objectionable features in a very simple and efficient manner, by a combination of board and roll clearer-device utilizing a roll to clear the front drawing-roll and a board to clear the back rolls, the board preventing fly and dirt from accumulating on the back rolls and keeping them clean While the waste taken from the front roll is Wound in a lap on the clearer roll provided for the purpose.

The various novel features of my invention will be fully described in the subjoined specification and particularly pointed out in the following claims.

Figure 1v is a partial transverse section of :1V sufficient portion of a spinning or drawing frame, with one embodiment of my invention applied thereto; Fig. 2 is a perspective detail of a portion of my novel top-roll clearer, detached.

The pedestal or stand 1 having a fixed bearing for the front lower roll 2, the middle and back lower rolls 3, l-supportcd in bearlugs on the head or cap 5, and the top rolls 6, 7, and 8 having their journals resting in the usual sockets in the cap-bar 9, Fig. 1.

may be and are all of well known (EOIISlI'IHttion and operate in usual manner.

In the present embodiment of my invention I provide a,clearer-board 10 having ils under face covered with suitable clearer cloth 11, and resting on the middle and back top-rolls 7 and 8, as shown in Fig. 1, the front edge of the clearer-board resting against upright lugs or stops on the capbar, one of such steps being shown at 12, Fig. l. The front edge of the board is beveled at 13, to provide a clearance for the clearer-roll, to be described, and by reference to Fig. 1 it will be seen that the middle and back top-rolls are protected and kept clean from fly and dirt by the clea rer-boa rd. Upon the top of the clearer-board, as herein shown, I mount light metal brackets 14, preferably longitudinally slotted at 15, Fig. 2, to receive the retaining screws 16, so that the brackets can be adjusted to suit or fit difierent frames, or different distances between the front and middle top-rolls. Each bracket at its front end is bent downward and rearward, preferably, to form a substantially J-Shaped guide 17, 18 the heel l8 9 being turned rearwardly toward the board. the free end of the bracket being upturned and elongated, at 19. The guides receive the journals 20 of the front clearer-rolls 21, which in practice may be made conveniently of Wood covered with felt, flannel, or other suitable material, as at 22, and herein 1 have shown the clearer-rolls connected in pairs, see Fig. 2. The clearer-rolls rest upon the front top-rolls and are rotated thereby, the

journals 20 loosely entering the guides 17 and being held thereby in proper position during the operation of the apparatus, the bevel 13 affording sufficient clearance for the rolls 21 and preventing any clogging. As

the tlv and dirt gathers on the front top-roll (5 it is cleared therefrom and wound up in a film or lap on the clearer-roll, and as the lap increases in diameter the roll journals can rise in the guides 17 without interfering with the etliciency of the clearing action.

There is very little friction due to the clearer-rolls, running as they do directly on the front rolls, and bunches cannot drop back onto the yarn or roving nor can they clo up between the front and middle toprol s. When necessary the clearer-rolls can be removed for cleaning or other purposes without disturbing the clearer-board, or the latter and the rolls can be removed simultaneously, as will be manifest, and the construction is so simple that there is nothing to get out of order.

I have found that a clearer device of the construction shown will run at least twentyfive times as long as the usual clearer devices before it is necessary to clean it. When the board is turned up the curved heels 18 of the clearer-roll guides revent the journals from falling out, the c earer-rolls returning to operative position when the board is replaced. By lengthening the upri hts 19 at the front of the guides 17 the roIl-journals are held in place even should a ver thick lap of vaste be permitted to accumu ate.

My invention is not restricted to the precise construction and arrangement herein shown and described as the same may be modified or varied in different particulars by those skilled in the art without departing from the spirit and scope of my invention as set forth in the appended claims.

Havin fully described my inventiom what I claim as new and desire to secure by Letters Patent is 1. In apparatus of the class described, in combination, a series of top drawing-rolls, a clearer-bmird coiiperating with the middle amt back dra\\-'ing-rolls, a removable clearerroll cooperating with the front drawing-roll, and guiding means for the clearer-roll, mounted on the clearer-board.

2. In apparatus of the class described, in combination, a series of top drawing-rolls, a clearer-boar(l cooperating with the middle and back drawing-rolls, a clearer-roll cooperating with the front drawing-roll, and upright open guides for the journals of the clearer roll, adjustably attached to the clearer-board.

3. In apparatus of the class described, in combination, a series of top drawing-rolls, a

elearer-bmu-d coiiperating with the ni-iddle/l 'f operating with the front drawing roll, and open guiding connections between the clem'er-roll and board, said connections being curved rearwardly at their lower ends, whereby the roll and board may be removed simultaneously or the clearer-roll ren'ioved independently of the clearer-boa.1'd.

A top-roll clearer for spinning and drawing frames, comprising a clearer-board, a clearer-roll to cooperate with and be rotated by the front top drawing-roll, guides for the clearer-roll carried by the clearerboard, and means to adjust the guides to vary the distance between the clearer-roll and the board.

6. A top-roll clearer for spinning and drawing frames, comprising a (ilGttIQT-IN)ltl'tl, a clearer-roll to cooperate with and be retated by the front top drawing-roll, and upright guides for the clearer-roll, open at their upper ends and curved rearwardly at their lower ends, said guide being mounted on the clearer-board.

7. In apparatus of the class described, in combination, a series of top drawing-rolls, a clearer-board to rest upon and clear the middle and back drawing-rolls, forwardly extended brackets on the clearer-board provided with guides open at their upper ends, and a clearer-roll having its journals loosely and removably entering the guides, said clearer-roll resting upon and clearing fly and dirt from the front drawingroll.

8. A top-roll clearer for spinning and drawing frames, comprising a clearer-board, a clearer-roll to coiiperate with and be rotated by the front top drawingroll, and

J-shaped guides for the clearer-roll, mounted on the clearer-board at the front thereof, the heels of the guides retaining the clearer-roll in place when the clearer-board is lifted.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

JAMES F. REED. Witnesses:

EDWARD F. WARD, 7 JAMES H. Jorcn.

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