Material or article handling – Self-loading or unloading vehicles – Conveyor
Reexamination Certificate
2011-08-30
2011-08-30
Lowe, Michael S (Department: 3652)
Material or article handling
Self-loading or unloading vehicles
Conveyor
C414S507000, C414S509000, C414S525100
Reexamination Certificate
active
08007219
ABSTRACT:
The sweep tarpaulin has an upper sheath, a bottom sheath and an intermediate sheath. An upper tube is housed in the upper sheath. A lower tube is housed in the bottom sheath. An intermediate tube is housed in the intermediate sheath. The sides of the tarpaulin engage the container side walls. Left and right resilient members hold the upper tube in a loading position. The bottom sheath and the lower tube are supported on a reciprocating floor slat conveyor. Cargo and the lower tube move toward the rear during unloading. The left and right resilient members are deformed to release the upper tube. A winch returns the upper tube to the cargo receiving position. The left and right resilient members are deformed when the upper tube returns.
REFERENCES:
patent: 6033179 (2000-03-01), Abbott
patent: 6974296 (2005-12-01), Simrin
patent: 2005/0042067 (2005-02-01), Simrin
patent: 2006/0182576 (2006-08-01), Foster
Martin Timothy N.
Wilkens Arthur L.
Farris Robert L.
Farris Law, P.C.
Lowe Michael S
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