Patent ID: 6458247
Filing Date: 2002-10-01
Classification: D21G

Abstract:
A loading arrangement in a paper machine doctor, in which the doctor includes a blade carrier and a blade holder fitted to it rotatably by means of an articulated joint, and in which loading devices operated by a pressure medium and formed of loading hoses, are fitted between the blade carrier and the blade holder to turn the blade holder in relation to the blade carrier and thus to press the doctor blade against the surface to be doctored, and the loading devices include at least one operating device on the back or the front side of the articulated joint, which operating device comprises two or more loading components set one after the other in the longitudinal direction of the doctor, to each of which an independent pressure medium connection extends, to make the profile of the doctor blade conform to the surface to be doctored, over the length of the doctor characterized in that each pressure medium connection is formed from a common feed line and control valves connected to said common feed line, which is arranged in the axle forming part of the joint, or in connection with the axle.