Patent ID: 6482053
Filing Date: 2002-11-19
Classification: B60F,B62D,E02F

Abstract:
An adaptation of flotation apparatus to an earth excavator comprising:a) a pair of pontoons with each pontoon comprising; i) a forward and rear bearing support members; ii) a notch in an upper portion of said pontoon to receive said rear bearing support members and associated drive sprocket assembly inboard of said pontoon; iii) at least one sleeve member passing transversely through said pontoon; iv) a pair of upper and lower chain guide channels extending the length of and attached to said pontoon; v) a pair of wear plates located between said lower chain guide channels extending the length of and attached to each said pontoon; vi) an endless chain assembly extending longitudinally around said pontoon and engaging said head and drive sprocket assemblies said chin assembly comprising a pair of parallel roller chains having a plurality of channel members attached perpendicularly thereto each of said channel members having a pair of polymeric guide members attached between said roller chains; vii) a head sprocket assembly adjustably attached to said forward bearing support members engaging said chain assembly; viii) a drive sprocket assembly attached to said rear bearing support engaging said chain assembly; and b) a means for connecting each of said pontoons one to the other in a detachable manner said means telescopically slidable within said sleeve member and connected thereto; and c) an adapter for attaching an excavator to said means for connecting each of said pontoons.