Patent ID: 8967507
Filing Date: 2015-03-03
Classification: B02C

Abstract:
1. A roll sizer for a mining crusher, the roll sizer comprising: a frame including a first support wall and a second support wall, the first support wall including a first shaft track, the second support wall including a second shaft track parallel to the first shaft track; a first mobile shaft support moveably engaging the first shaft track; a second mobile shaft support moveably engaging the second shaft track; a first shaft including a drive end and a support end and defining a first axis therebetween, the drive end being driven by a first motor for rotating the first shaft about the first axis, the first shaft extending from the first support wall to the second support wall, the first shaft being rotatably supported by the first mobile shaft support and the second mobile shaft support; and at least one actuator for applying a force to move the first and second mobile shaft supports along the first and second shaft support tracks, respectively, wherein the first motor moves with the mobile shaft supports while coupled to the first shaft.