US 5,681,000 A · Servicing apparatus for a yarn package-producing textile machine

Abstract

A servicing apparatus for automatic repair of yarn breaks in open-end spinning machines is provided with a device for replacing finished yarn packages with empty tubes, and a multi-functional yarn manipulating element having a work head equipped with a yarn brake and a contoured yarn guide element, the manipulating element being selectively movable between a position (c) at a top end of the tube for forming a top winding at the completion of winding a full yarn package, a position (a) at a base end of the tube for forming a yarn reserve winding upon beginning the winding of an empty tube, and a position (b) moving axially along the tube to prevent the creation of parallel windings during the repair of a yarn break.

Claims12

Dependent claims

A servicing apparatus associated with a textile machine for winding yarn to form yarn packages by winding yarn onto a support tube driven by a winding drum, the servicing apparatus including a yarn manipulating device having yarn engagement means

for positioning of yarn adjacent a base end of an empty tube and for producing tension in the yarn during formation of bottom windings;
for lateral shifting of yarn parallel to a tube adjacent a surface of wound yarn on the tube following repiecing of a yarn break;
and
for positioning of yarn adjacent a top end of a full tube for forming top windings,
said yarn engagement means comprising a yarn engagement head and drive means for selective movement and positioning of said head parallel to a tube.

2 more elements

Dependencies are inferred from the claim text.

Servicing apparatus for a yarn package-producing textile machine

Life of this patent

Servicing apparatus for a yarn package-producing textile machine

Life of this patent

Abstract

Claims12