Patent ID: 8966791
Filing Date: 2015-03-03
Classification: E02F

Abstract:
1. A staggered edge bucket excavation tool for use mounted to an arm of an excavation machine and having an axis of rotation relative to the arm, said staggered edge bucket excavation tool comprising: a body mounted for rotation from the arm; a pair of generally flat, side leading edge plates mounted to the body; a formed back sheet mounted to said body and to said side leading edge plates; and a planar plate having a staggered front leading edge with a first front edge portion and a second front edge portion disposed at contrasting angles relative to each other and to the direction of substrate engagement motion, the planar plate being mounted to span the region of the staggered edge bucket between said side leading edge plates, and attached to said formed back sheet and said side plates, to define, together, a staggered edge bucket volume for receiving material excavated from a hard packed substrate during excavation action, and wherein said staggered edge bucket excavation tool further comprises: a set of three or more teeth mounted with uniform lateral spacing along the first and second front edge portions of the staggered front leading edge of the planar plate, wherein: