Land vehicles: dumping – With load-delivering chute
Reexamination Certificate
2007-06-21
2010-06-08
Gordon, Stephen (Department: 3612)
Land vehicles: dumping
With load-delivering chute
C298S0230MD
Reexamination Certificate
active
07731297
ABSTRACT:
A dump apron for a dump truck, the apron pivotally mounted around a lower end of the dump opening at the rear of the dump body, and movable in response to the tilt position of the dump body between a lower flow-channeling position and a raised tailgate-securing position. In the tailgate-securing position the apron serves to seal leaks of the loaded material around the tailgate, and to function as a secondary lock to back up the tailgate's primary latching or locking mechanism. In the preferred form, the apron is held at an acute angle to the closed tailgate in the raised tailgate-securing position, forming a trough for collecting particulate material leaking around the tailgate from the loaded dump bed, and allowing visual inspection of the lower end of the tailgate and the tailgate's primary lock.
REFERENCES:
patent: 836102 (1906-11-01), Dunham
patent: 1735930 (1929-11-01), Miller
patent: 2248374 (1941-07-01), Mitchell
patent: 3366418 (1968-01-01), Lackey
patent: 4723817 (1988-02-01), Wallan
patent: 5174632 (1992-12-01), Hagenbuch et al.
NBC Truck Equipment, Inc., Dump Truck Bodies, archived web catalog, Aug. 2004, one page, www.nbctruckequip.com (via www.archive.org), U.S.
Gordon Stephen
Northern Michigan Patent Law PLC
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