US2533503A - Ring for ring spinning machines - Google Patents

Description

Dec. 12, 195% a. H. PIMLEY 2,53%,503

RING FOR RING SPINNING MACHINES Filed Odil. l, 1949 H invelol A iforney Patented Dec. 12, 1950 RING FOR RING SPINNING MACHINES Gordon Haldane Pirnley, Preston, England, as-

signor to Dobson & Barlow Limited, Bolton,

England Application October 1, 1949, Serial No. 119,043 In Great Britain October 23, 1948 3 Claims.

This invention has reference to rings for spinning machines and has for its object to provide means whereby the adjustment of the ring above the ring rail is easily and exactly made.

According to this invention a ring for a spinning machine is made in two circular parts, one being mounted on the other, the bottom part being mounted to be partially rotated in a hole in the ring rail, the top part being resiliently held down and held concentrically on the bottom part and the engaging faces of the two parts having complementary portions of varying depth whereby as the bottom part is turned the top part is raised or lowered the flange of the ring carrying the traveller being on the inside face of the top part.

The invention is more particularly set forth with reference to the accompanying drawing which shows in perspective and partly in section a ring made according to the invention.

In the drawing part of a ring rail of a textile spinning machine is shown with the ring in po sition.

The ring rail I has a number of circular holes 2 only one being shown in the drawings and in this hole is mounted a ring 3.

The ring 3 has a flange 4 passingrdown inside the hole 2, a base 5 which sits on-v the ring rail l and an upwardly external flange, 6. At equidistant positions on the base 5 of the ring 3 are upward projections 1 each having a hole 8 to take the end of a tommy bar andthe top faces of these projections, three proiections being a convenient number, are inclined as shown at 9.

Resting on the upwardly extending flange 6 of the base 5 is a second ring I I) wh ch projects over the hole 2 and has on its inside edge a flange II for the traveller, not shown in the drawings. This ring I i! has on its outside face lugs l2 into which are screwed pins l3 each passing through a hole in the ring rail. The pins [3 have a roller M which bears on the curved face of the ring 3 and below the ring rail l is a spring 15 with a washer and nuts below, by which the spring Hi can be tensioned.

The under face of the top ring I!) has inclined faces l6, the inclination being the same as that on the projections I on the top of which they rest.

It will be seen that the top ring I is held down on the bottom ring 3 by the springs l and that the rollers l4 align the top ring on the bottom one which is free to rotate in the hole 2 in the ring rail l, and as a result of this construction if a tommy bar be inserted in one of the holes 8 the bottom ring can be turned, and in so turning, will, by virtue of the engagement of the taper faces 9 and I6, raise or lower the top ring In which carries the traveller.

In this manner a very exact adjustment of the bottom position of the ring and traveller can be obtained that in traversing, the yarn wound into the package will always be exactly on the correct level of the bottom flange of the bobbin at the lowest position and will consequently avoid a dfliculty which is common at present.

I claim:

1. A ring for a ring spinning machine comprising a bottom ring and a top ring mounted upon said bottom ring, a ring rail carrying said rings and having c rcular holes in which said bottom ring is rotatably mounted, said bottom ring resting on said ring rail, a flange on said bottom ring extending downwardly over the edge of the hole and to hold said bottom ring rotatably in engagement with said rail, vertical projections at spaced distances on the top face of said bottom ring, said projections having inclined top faces, holes in said bottom rings for insertion of tommy levers to turn said bottom ring on said ring rail, said top ring be ng resiliently held down and centred on said bottom ring and having inclines on its under face resting on the inclined top faces of said vertical projections on said bottom whereby said top ring is raised and lowered as said bottom ring is turned.

2. A ring for a ring spinning machine comprising a bottom ring and a top ring mounted upon said bottom ring, a ring rail carrying said rings and having a circular hole in which said bottom ring is rotated, said bottom ring resting on said ring rail, a flange on said bottom ring extending downwardly into said hole and bearing against the edge of said hole whereby said bottom ring is held rotatably in said rail, vertical projections on the top face of said bottom ring, at spaced distances, inclined faces on said projections, holes in said bottom rings for insertion of tommy levers to turn said bottom ring on said ring rail, spaced inclined faces on the underside of said top ring resting on said inclined faces of said projections on said bottom ring, flat faces on the remainder of the bottom face of said top ring adapted to rest on said bottom ring between said projections, and forming stops in one direction to the rotation of said bottom ring, said top ring projecting further over the hole in said ring rail than said bottom ring, said top ring having a traveller flange on its inside edge and spaced projections on its outside edge,

pins screwed at their ends into said projections and passing through holes in said ring rail, springs on said pins below said ring rail, rollers on said pins above said ring rail and bearing on the outside of said bottom ring, nuts on the lower screwed ends of-said pins to regulate the compression of said springs whereby said top ring is resiliently held down on said bottom ring, said bottom ring when turned, sliding its vertical pro;- jections along said inclined under faces of said top ring to raise and lower said top ring,.said top ring being held in place on said bottom rin ,rsaid rollers bearing on the outside facep of said .bottom ring.

3. A device of the character described, comprising a ring rail having a circular opening therein, a ring seated on said ring rail and having a flange in engagement with the wall of said opening whereby said ring is rotatable relative to said rail, a second ring superimposed on said first ring, means for retaining said'second ring against rotation, and cooperating means carried by both rings for changing the elevation of the second ring during rotation of the first ring and for limiting such rotation.

GORDON HALDANE PIMLEY.

No references cited.

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