High-speed cross-winding device for windings of different length

Claim 2

A high speed thread winding apparatus for selectively winding a long winding or a plurality of shorter windings of thread on a winding tube comprising a first traversing device embodying a reciprocable thread guide, and a second traversing device with two rotatable thread guide means respectively taking over the thread traverse stroke near the respective ends of the traverse stroke of said first device, means for driving said first and second traversing devices synchronously with each other, said first traversing device having alternate means for driving one thread guide in a long traverse stroke or two or more thread guides in respective shorter traverse stroke lengths, and additional thread guide means on said second traversing device providing thereon two rotatable thread guide means respectively taking over the thread traverse stroke near the respective ends of the traverse strokes of said thread guides used for the respective shorter traverse stroke lengths during the winding of a plurality of windings with the plurality of thread guides of said first traversing device.

Claim 3

A winding device as claimed in claim 1, said first traversing device embodying a rotatable, spirally grooved drive member with means providing alternate, endless spiral groove paths for the respective traverse strokes.

Claim 4

A winding device as claimed in claim 2, said second traversing device comprising a rotatable cylinder with respective pairs of thread guide grooves providing stroke reversal thread guiding at the reversal zones of each respective traverse stroke.

Claim 5

A winding device as claimed in claim 3, the endless, spiral groove path in said drive member for said longer stroke being circumferentially offset relative to the endless, sprial groove paths for said shorter strokes.

Claim 6

A winding device as claimed in claim 4, the thread guide grooves in said cylinder for said longer stroke being circumferentially offset relative to the thread guide grooves for said shorter strokes at the same angle of circumferential offset as that of said spiral groove paths.

Claim 7

A winding device as claimed in claim 3, said second traversing device comprising a rotatable cylinder with respective pairs of thread guide grooves providing stroke reversal thread guiding at the reversal zones of each respective traverse stroke, and means to cover all but the two outermost thread guide grooves during the production of the longer windings.

Claim 8

A winding device as claimed in claim 1, spaced, plural means for forming resPective thread reserves adjacent each winding, and thread-applying means for simultaneously applying threads to said plural means from a side of said winding device along the traverse face thereof.

Claim 9

A winding device as claimed in claim 7, said thread-applying means comprising suction means with thread-entrant nozzles spaced in correspondence to the spacing of said plural means for forming respective thread reserves.

Claim 10

A winding device as claimed in claim 7, said thread applying means comprising a suction tube having mounted thereon a plurality of thread guide members spaced in correspondence to the spacing of said plural means for forming respective thread reserves.

Claim 11

A winding device as claimed in claim 1, said device including a winding tube upon which a plurality of threads are wound as a plurality of said shorter, side-by-side windings, and a plurality of circumferential, axially spaced, thread-catching grooves in said tube for initiating a thread reserve winding for each of said shorter windings.

Claim 12

A high-speed cross-winding device comprising a single reciprocable thread guide member or alternatively a plurality of said guide members and a rotatable drive roller having endless spiral groove means for reciprocably driving said member or members, said spiral groove means having first groove means forming an endless, first spiral groove path with stroke reversal groove portions at opposite ends of said roller to give a long traverse stroke of said single guide member for production of a single, longer winding and, alternatively, second groove means forming two or more endless spiral groove paths axially spaced on said roller and respectively having at least one stroke reversal groove portion in the intermediate portion of said roller for imparting shorter traverse strokes to said plurality of thread guide members reciprocably driven in the latter groove paths for production of a plurality of shorter, side-by-side windings.

Claim 13

A high-speed cross-winding device comprising a single reciprocable thread guide member or alternatively a plurality of said guide members and a rotatable drive roller having endless spiral groove means for reciprocably driving said member or members, said spiral groove means having first groove means forming an endless, first spiral groove path with stroke reversal groove portions at opposite ends of said roller to give a long traverse stroke of said single guide member for production of a single, longer winding and, alternatively, second groove means forming two or more endless spiral groove paths axially spaced on said roller and respectively having at least one stroke reversal groove portion in the intermediate portion of said roller for imparting shorter traverse strokes to said plurality of thread guide members reciprocably driven in the latter groove paths for production of a plurality of shorter, side-by-side windings.

Claim 14

A high-speed cross-winding device comprising a single reciprocable thread guide member or alternatively a plurality of said guide members and a rotatable drive roller having endless spiral groove means for reciprocably driving said member or members, said spiral groove means having first groove means forming an endless, first spiral groove path with stroke reversal groove portions at opposite ends of said roller to give a long traverse stroke of said single guide member for production of a single, longer winding and, alternatively, second groove means forming two or more endless spiral groove paths axially spaced on said roller and respectively having at least one stroke reversal groove portion in the intermediate portion of said roller for imparting shorter traverse strokes to said plurality of thread guide members reciprocably driven in the latter groove paths for production of a plurality of shorter, side-by-side windings, said drive roller having a recess at at least two points where the first spiral groove path would normally have crossing points, and plugs removably inserted in said recesses in said roller, said plugs respectively having therein a stroke reversal groove portion in the intermediate portion of said roller, and additional plugs having grooved crossing points alternatively insertable in said recesses.

Claim 15

A high-speed cross-winding device comprising a single reciprocable thread guide member or alternatively a plurality of said guide members and a rotatable drive roller having endless spiral groove means for reciprocably driving said member or members, said spiral groove means having first groove means forming an endless, first spiral groove path with stroke reversal groove portions at opposite ends of said roller to give a long traverse stroke of said single guide member for production of a single, longer winding and, alternatively, second groove means forming two or more endless spiral groove paths axially spaced on said roller and respectively having at least one stroke reversal groove portion in the intermediate portion of said roller for imparting shorter traverse strokes to said plurality of thread guide members reciprocably driven in the latter groove paths for production of a plurality of shorter, side-by-side windings, said drive roller having a recess at at least two points where the first spiral groove path would normally have crossing points, and plugs removably inserted in said recesses in said roller, said plugs respectively having therein a stroke reversal groove portion in the intermediate portion of said roller, and additional plugs having grooved crossing points alternatively insertable in said recesses.

Claim 16

A winding device as claimed in claim 11, said device further including a winding tube upon which the thread is wound in the production of a plurality of said shorter, side-by-side windings, and a plurality of circumferential, axially spaced, thread catching grooves in said tube for initiating a thread reserve winding of each of said shorter windings whenever a plurality of shorter, side-by-side windings are wound on said winding tube.

Claim 17

A winding device as claimed in claim 2, said last-mentioned means including plug means removably inserted in said drive element to provide said alternate, endless spiral groove paths.