Patent ID: 11866074
Assignee: nan
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. A system comprising:
a trailer;
a hopper mounted to the trailer for receiving materials, a bottom surface of the hopper comprising a front portion, a central portion, and a rear portion, with the front portion and the rear portion higher than the central portion to accommodate wheels of one or more of the trailer and a tractor;
a bottom gate disposed in the central portion for discharging the materials from the hopper; and
pusher blades for moving material from the front portion and the rear portion towards the bottom gate, the pusher blades comprising a front pusher blade coupled to the front portion and a rear pusher blade coupled to the rear portion, wherein a drive mechanism is actuated for moving the front pusher blade and the rear pusher blade simultaneously towards one another to move material in the hopper towards the bottom gate.