Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Reexamination Certificate
2008-07-21
2009-12-22
Adams, Gregory W (Department: 3652)
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
C414S495000, C414S546000, C414S718000, C187S234000, C187S244000, C296S061000
Reexamination Certificate
active
07635248
ABSTRACT:
A sliding deck for carrying loads in transit and both lifting or lowering the loads includes a spaced pair of pivoting outer tubular tower members having hydraulically operated cylinders interior to a pair of telescoping tubular inner members located interior to the outer tubular tower member in which the pivoting of the tower members is controlled about a pivot by a supporting hydraulically-operated cylinder. A friction-relieving feature for accommodating movement of the interior telescoping member may include a Teflon brand wear pad fixed on the inner surface of the fixed outer tubular tower member. Together, the fixed outer tubular member and the sliding interior tubular member form a pivoting tower-like support member at an incline relative to the truck bed. A sliding deck structure for carrying cargo is fixedly secured through slots in the pivoting outer tubular tower support members to the interior telescoping tubular members of the pair of support tower members so that when the interior hydraulic cylinder is actuated, cylinder pistons are extended causing the sliding deck assembly to slide down a path defined by slot channels along an exterior of the fixed outer support members from an upraised level to a ground level while maintaining the sliding deck at a zero degree to about a minus 15 degrees of inclination relative to the ground to maintain carrying the load on the sliding deck. Preferably, the angle of incline of the tower assembly is at an angle, such as up to about 45 degrees, to reduce the force necessary to lift the load on the sliding deck assembly, while at the same time permitting the deck to remain about level relative to the ground at a zero degree incline. The pivoting towers allow for up to a minus 15 degree angle for purposes of the rear edge of the sliding deck being made to reach the ground in a downward, sloped or slanted surface.
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Adams Gregory W
Rader & Fishman & Grauer, PLLC
Sidney Slide L.P.
LandOfFree
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