Patent ID: 8025140

Claim:
A material processing apparatus comprising: a conveyor comprising a first side and a second side and being rotatable in a vertical direction around a horizontal axis, a rotatable element comprising a first end and a second end and being rotatable in a horizontal direction relative to the apparatus and comprising said horizontal axis, a main point of articulation at the first end of the rotatable element where the rotatable element articulated to the apparatus for rotation in said horizontal direction, the first end of the rotatable element being positioned at the first side of the conveyor and the second end of the rotatable element being positioned at the second side of the conveyor, a variable length element articulated to the rotatable element at a first point remote from said main point of articulation and articulated to the apparatus at a second point, and an actuator connected to the rotatable element and causing the rotation of the rotatable element in said horizontal direction together with the conveyor around said main point of articulation.