Patent ID: 6109559
Filing Date: 2000-08-29
Classification: B65H

Abstract:
Rider roll unit for winding machines with at least one support or carrier drum for winding web-like material to be woundwith at least one rider roll (1) rotatably mounted to a tie-bar (2) for placing the roll (12) to be wound under a load, as a function of its diameterwith pivotably mounted arms (3) to support the tie-bar (2) andwith drive means (9) for pivoting the support arms (3) as a function of the change in diameter of the roll (12) to be woundcharacterized in thatthe tie-bar (2) with the rider roll (1) can pivot at the support arms (3) around a first axle (10) parallel to the support roll, and a guide-bar (4) articulated at the tie-bar (2) around a second axle (11) parallel to the support roll causes a forced pivoting of the tie-bar (2) with the rider roll (1) about the first axle (10), when the tie-bar (2) with the rider roll (1) is lifted in accordance with the increasing diameter of the roll, so that the acting direction of the rider roll (1) changes on the roll (12).