US1096059A - Spinning and twisting frame. - Google Patents

Description

P. SARACCO. SPINNING AND TWISTING FRAME. APPLICATION FILED 3111.18, 1913.

Patented May 12, 1914.

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SPINNING AND TWISTING FRAME.

To all whom it may concern Be it known that I, PIETRo SARAOCO, a subject of the King of Italy, residing in Turin, in Italy, have invented certain new and useful Improvements in Spinning and Twisting Frames, of which the following is a specification.

This invention relates to a spinning and twisting frame in which the spools on which the thread is wound, are given a double movement of rotation about their spindles and of gyration or revolution about an intermediate axis, so as to effect at the same time the twisting of each thread as well as the twisting of the different threads together. To that end, the spools are mounted on a rotating supportand are forced to roll during the revolution of their spindles, on a rim which in its turn is rotating, so that by regulating the two rotations, any desired twist can be obtained.

In the accompanying drawing, Figure 1 shows in vertical section a construction of an apparatus according to this invention, Fig. 2 being a plan and Fig. 8 showing a modified construction.

As will be seen from these figures, the support 1 for the spools is secured to a spindle 2 to which is keyed a pulley 3 or a conical pulley for transmitting the motion. On the spindle 2 is rotatably mounted a box 4 provided with a pulley 5 or with a conical pulley for the transmission. The rods 6 to which are secured in the well known manner the spools of thread, are mounted in socket bearings 7 and have keyed to them disks 8, the rims of which, provided with a lining or packing of rubber, leather or hard material such as fiber, metal, etc., can come into contact with the inner surface of the circular rim .0 of the box 4. The bearings 7 of the spindle 6 are mounted in the supporting plate 1 and pass through radial slots 11 in which they are guided (Fig. Ihe support for these socket bearings can be constituted, as shown by way of example in Fig. 1, by a rod 12, to the bottom end which is pivoted the end of the bearing. A screw 13 is used for'fixing the extreme outward position which the bearing can assume in the slot 11, and in that way it is possible to regulate the pressure of the lining or packing 9 on the rim 10. In any case, 1t 1s advantageous that when the plate 1 is stand-' Specification of Letters Patent.

Application filed. January 18, 19 13.

Patented May 12, 1914.

Serial No. 742,968.

ing still, the bearings maybe in such position that the spindles 6 are near the center, and that the packing 9 of the disks 8 is not in contact with the surface of the rim 10. To that end can be arranged springs 14 normally pushing the bearings 7 toward the intermediatespindle (Fig. 3) or having the tendency to give them a position inclined toward the center of the apparatus. It is also possible more simply to use an eccentric method of mounting the bearing as shown in Fig. 1, so that its weight has the tendency to incline it toward the axis of rotation of the pivot 2. In any case, when the support 1 is stationary, the spindles 6 with their spools are also stationary for owing to the position of the bearings 7 the rims 9 are not in contact with the rim 10 of the box a. When however the pivot 2 is rotating, centrifugal force brings the bearings 7 into the position in which the pack ing 9 of the disks 8 adheres to the surface of the im 10 and rolls on it, producing at the same time rotation of the spools about their spindles, while the spindles 6 rotate about the central spindle of the support 1. By adjusting the speed of rotation of the support 1 and of the box 4: which generally speaking must rotate in the same direction, any desired proportion will be obtained between the twisting of each individual thread and the twisting of the complete yarn.

The described method of mounting the bearings for the spindles of the spools, so that the rims 9 of their disks are brought into contact with the rim 1O merely by the action of centrifugal force, has the advantage of enabling the spools to be automatically stopped by stopping the rotation of the pivot 2, so that only one gear has to be operated, while it is possible, owing to the rotation of the box 4, to regulate at will the twist given to the thread.

lVhat I claim as my invention and desire to secure by Letters Patent is 1. In a spinning and twisting machine, the combination with a rotating support having radial slots, of bearings adapted. to move in said slots, means whereby said bearings move away from the outer walls of the slots when the support is standing still, spindles mounted to rotate in said bearings, friction disks on said spindles, an outer rim adapted to be engaged by the friction disks when the support is rotating, and means for rotating the rim independently of the support.

2. In a spinning and twisting machine, the combination with a rotating support having radial slots, of step bearings extending downward through said slots and supported pivotally and eccentrically at their lower ends, spindles mounted to rotate in said bearings, friction disks on said spindles, an outer rim adapted to be en gaged by the friction disks when the sup port is rotating, and means for rotating the rim independently of the support.

3. In a spinning and twisting frame, a rim, means for driving the rim, a spindle co-axial with the rim and means for driving the spindle, a member in the interior of the rim and connected to the spindle, means on the member adapted to bear spindles on which the spools are secured, friction disks on the spindles adapted to run on the inner wall of the rim when the central spindle is in rotation, and means whereby the friction disks move out of contact with the inner wall of the rim when the apparatus is at rest.

4. In a spinning and twisting frame, an outer box having a rim, means for driving the box, a spindle co-aXial with the box and means for driving the spindle, a member mounted in the interior of the rim and connected to the spindle, means on the member adapted to bear spindles on which the spools are secured, friction disks on the spindles adapted to run on the inner wall of the box-rim when the central spindle is in rotation, and means whereby the friction disks move away from the inner wall of the rim when the apparatus is at rest.

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

PIETRO SARACCO.

Witnesses CAnLo ToR'rAn, JOCELYN GOUBEYRAN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.

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