Patent ID: 6327748
Filing Date: 2001-12-11
Classification: D01H

Abstract:
Apparatus of a spinning machine for the drafting and subsequent condensing of a fiber strand, comprisinga condensing zone located downstream of a front roller pair of a drafting unit,an air-permeable transport belt which transports the fiber strand through the condensing zone,a suction channel arranged at the condensing zone, which suction channel guides the transport belt over a sliding surface,a suction slit arranged in the sliding surface,a nipping roller which drives the transport belt and presses the fiber strand and the transport belt to the sliding surface at the end of the condensing zone,a top weighting arm of the drafting unit, which top weighting arm supports the nipping roller and a front pressure roller of the front roller pair,and a drive belt which connects the front pressure roller with the nipping roller,wherein the nipping roller and the front pressure roller are arranged on holding arms which can be spread apart and which tension the drive belt, andwherein the holding arms are connected to one another by a hinge joint, against which a weighting spring is pressed.