Appeal No. 98-1207 Page 9
Application No. 08/420,648
in a partially filled trench for a pipeline or the like
(Figure 1). The tailings are simultaneously discharged onto a
second transversely extending continuously moving conveyor to
be discharged along a longitudinal ridge, preferably on the
opposite side of the vehicle from the trench being filled, and
extending parallel to
movement of the vehicle (Figure 3).
As shown in Figures 1, 4 and 5 of Downey, the earth
moving vehicle 10 includes a conventional motor driven tractor
20 pulling a scraper body 21 (base platform) having a scraper
blade 22 for collecting native material 14 from the ground 11
to be moved by the paddles 23 of a motor driven endless
elevator 24 into a container 25. A separating means 40 serves
to receive the native material 14 from the endless elevator 24
and separate the native material 14 into fines 15, being
smaller than a predetermined size and into tailings 16, being
larger than the predetermined size. A plate 41 is mounted in
the container 25 and extends upwardly and rearwardly from the
scraper blade 22 parallel to elevator 24 and spaced therefrom
by the height of a paddle 23. Plate 41 terminates rearwardly
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Last modified: November 3, 2007