Patent ID: 8042290
Filing Date: 2011-10-25
Classification: E02F

Abstract:
1. A mobile piece of excavation equipment comprising: a chassis; a plurality of propulsion structures on which the chassis is supported; an excavation component including a boom pivotally moveable relative to the chassis, the excavation component also including a rotational cutting structure mounted on the boom, the excavation component further including an attachment drive for driving the rotational cutting structure relative to the boom and an actuator for pivoting the boom relative to the chassis to raise and lower the boom; and an electronic control system for detecting a stall condition, wherein when the stall condition is detected by the electronic control system during an excavation operation, the electronic control system automatically interrupts the excavation operation and automatically causes the mobile piece of excavation equipment to positively reverse a direction of movement of the boom from a first direction of movement to a second opposite direction of movement.