Patent ID: 7264104

Claim:
A mobile processing unit, comprising: an in-feed conveyor generally extending away from a first end of the mobile processing unit, the in-feed conveyor having a lower section and an upper section; a first in-feed conveyor support coupled to the in-feed conveyor at the lower section and pivotally coupled to a retractable member, the retractable member pivotally coupled to a first frame section extending from the first end of the mobile processing unit, the first in-feed conveyor support configured to support the weight of the lower section of the in-feed conveyor; a second in-feed conveyor support coupled to the in-feed conveyor at the upper section and pivotally coupled to a second frame section extending from the first end of the mobile processing unit; and wherein the lower section of the in-feed conveyor is adapted to move laterally towards and away from a centerline of the mobile processing unit via actuation of a hydraulic cylinder that controls retraction and extension of the retractable member and a discharge end of the upper section is adapted to move along an arcuate path to maintain a substantially constant address with a crusher in-feed.