Patent ID: 7909153

Claim:
An extendible conveyor system, for a transport vehicle such as a truck having a bed, delivering material from one level to another higher level, comprising: at least one conveyor having a main section and an extension section axially nesting within said main section, said extension section having an end opposite said main section, said extension section telescoping in and out of said main section; means for providing power to said at least one conveyor for telescoping movement of said extension section from said main section; a continuous flexible member travelling upon and through said main section and said extension section, said continuous flexible member being driven by one of chain drive or rollers; a conveyor stem connecting to said main section in a cantilever manner, said conveyor stem including an outer portion and an internal core, said outer portion having an axle for pivotal connection to said main section, said internal core extending axially from said outer portion; two hydraulic rams providing power for vertical movement of said outer portion relative to said internal core; at least one gear plate securing to said internal core and one of a hydraulic motor or a chain driven motor providing power to said at least one gear plate, wherein said at least one gear plate and one of a hydraulic motor or chain drive motor cooperate to rotate said internal core through 360 degrees; and, wherein said system is adapted to rotate about the plane of the truck bed, is adapted to raise above the plane of the truck bed, and is adapted to lengthen axially to deliver material from the truck bed to a higher level.