Patent ID: 7143794
Filing Date: 2006-12-05
Classification: B01J,E02F

Abstract:
1. A construction implement for use in reconstruction of a granular bed, said implement comprising; a frame; at least one motor supported on said frame for propelling said frame over a granular bed; two traction tracks for contacting said bed and actuated by said at least one motor; a turret, mounted on said frame for rotation relative to said frame; a boom mounted on said turret; an actuator, mounted on said turret for adjusting the angle of elevation of said boom relative to said turret; and wherein said boom comprises a hollow conduit having a first and second end; and wherein said boom comprises a suction inlet at said first end and an attachment at said second end for attaching said second end to a source of vacuum pressure; and wherein the at least two tracks have sufficient surface area to support said implement on said catalyst bed without crushing said catalyst.