Patent ID: 9260050
Filing Date: 2016-02-16
CPC Classification: B60P,B65D,E02F,Y10T

Claim Text:
1. A mobile backfill system for collecting material, comprising: a collection tank comprising a body having a vacuum pump connected to the collection tank that draws an air stream through the collection tank for carrying material into the collection tank; a cross bar rigidly connected to the door on a side of the door opposite the open end at a connection; and a linkage assembly coupled between the cross bar and the tank body so that movement of the door to the second position moves the linkage assembly to a position at which the linkage assembly retains the door in the second position, wherein the connection between the cross bar and the door is configured so that the connection applies, in response to closing force applied to the cross bar by the linkage assembly when the linkage assembly retains the door in the second position, a closing force from the cross bar to the door through an axis of the generally cylindrical section.