Patent ID: 9399853
Filing Date: 2016-07-26
CPC Classification: E02F

Claim Text:
1. A mobile digging and backfill system for removing and collecting material from a location, the system comprising: a. a collection tank for storing material removed and collected from the location; b. a backfill reservoir including a closable opening, the backfill reservoir being moveable between a transport position and a backfill position; c. a vacuum pump coupled to the collection tank that draws an air stream through the collection tank, the vacuum pump being selectively coupled to the backfill reservoir; and d. a motor in driving engagement with the vacuum pump, wherein, in the backfill position, the backfill reservoir is inclined with respect to the transport position, so that the closable opening opens and backfill located in the backfill reservoir expels from the backfill reservoir through the closable opening.