Patent ID: 7607529

Claim:
A portable conveyor system with a drive-over material receiving opening, the conveyor system comprising: a longitudinally extending frame comprising a first end and a second end, the first end of the frame configured for connection to a towing vehicle, the second end of the frame configured for transportation over a ground surface, the frame carrying a conveyor belt assembly generally between the first and second ends of the frame, wherein a first portion of the frame adjacent to the first end defines a first frame height, the first portion of the frame configured to rest on the ground surface; and a drive-over ramp system near the first end of the frame, the drive-over ramp system comprising a first ramp section located on a first side of the frame, a second ramp section located on a second side of the frame, and a third ramp section supported on the frame between the first and second ramp sections, the third ramp section comprising a grate positioned over a portion of the conveyor belt assembly, wherein each of the first and second ramp sections comprises: a ramp support frame configured for contact with the ground surface and positionable adjacent to the longitudinally extending frame, the ramp support frame comprising a first frame member spaced from the longitudinally extending frame of the conveyor system, the first frame member defining a barrier having a height approximating the first frame height of the longitudinally extending frame; and a ramp having a first end and a second end spaced from the first end, the first end of the ramp being pivotally connected to the longitudinally extending frame and having a vehicle support surface extending between the first end second ends of the ramp, the ramp being pivotable between a first position with the ramp second end at the height of the barrier and a second position with the ramp second end radially spaced from the first position in a direction toward the third ramp section.