Patent ID: 9027265
Filing Date: 2015-05-12
Classification: E02F

Abstract:
1. An excavator, comprising: a mobile chassis; a first bucket drum having a first axis of rotation, said first bucket drum coupled to said chassis, said first bucket drum having at least one open-ended first scoop formed thereon that provides access to an interior region of said first bucket drum and that is adapted to dig into a surface when said first bucket drum is placed on the surface and is rotated about said first axis of rotation in a first direction; a second bucket drum having a second axis of rotation, said second bucket drum coupled to said chassis, said second bucket drum having at least one open-ended second scoop formed thereon that provides access to an interior region of said second bucket drum and that is adapted to dig into the surface when said second bucket drum is placed on the surface and is rotated about said second axis of rotation in a second direction that is opposite to said first direction; said first bucket drum and said second bucket drum coupled to said chassis for positioning thereof on the surface at opposing ends of said chassis; each said first scoop on said first bucket drum being a mirror image of one said second scoop on said second bucket drum when (i) said first bucket drum and said second bucket drum are on the surface adjacent opposing ends of said chassis, and (ii) said first bucket drum is rotated in said first direction and said second bucket drum is simultaneously rotated in said second direction.