Yarn nipping device for a spinning or twisting spindle

Abstract

The present invention relates to a yarn nipping device for a spinning or twisting spindle having a first nipping element and a second nipping element, which is supported in a movable way in relation to the first nipping element, whereby the second nipping element is movable between a closing position in which the yarn is able to be nipped between the first nipping element and the second nipping element in the area of a nipping section, and an opening position, in which no nipping of the yarn takes place, comprising at least one loading element, which exerts a loading force on the second nipping element, with the aid of which the second nipping element is supported in the closing position at least when the yarn nipping device is at a standstill, and also comprising at least one de-loading element, which, when the yarn nipping device rotates, exerts a centrifugal load-relieving force on the second nipping element, which acts against the loading force, and with the aid of which the second nipping element is brought from the closing position to the opening position at a defined rotational speed of the yarn nipping device. According to the present invention it is suggested that the yarn nipping device comprises at least one end stop with a contact surface, whereby the second nipping element in its open position fits closely to the contact surface with at least one of its outer surfaces, in order to prevent in the area of the end stop the infiltration of trash into an inner space of the yarn nipping device, which inner space surrounds the de-loading element.