Extension for conveyor

Conveyors: power-driven – With means to facilitate working – treating – or inspecting... – Static means for supporting load or workman adjacent...

Reexamination Certificate

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Details

C198S313000, C198S315000, C198S312000, C414S010000, C414S508000, C414S523000

Reexamination Certificate

active

07422096

ABSTRACT:
A conveyor for transporting materials or people from a first location to a second location has an elongated boom having a first end, a second end, a top surface, and a bottom surface; a conveyor mechanism such as an endless belt, chain, or ladder that is operably attached to the elongated boom; and a plank platform operably attached to the boom adjacent to the bottom surface of the boom, wherein the platform is selectively pivotable from the boom and capable of providing a walking surface for the person unloading the conveyor. The platform may additionally or alternatively be at least partially extendible from one end of the elongated boom. The conveyor may be operably attached to a vehicle.

REFERENCES:
patent: 1015939 (1912-01-01), Brunelle
patent: 2708998 (1955-05-01), Ulinski
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patent: 4366900 (1983-01-01), Johansson
patent: 4793437 (1988-12-01), Hanthorn
patent: 5669562 (1997-09-01), Smith
patent: 5685687 (1997-11-01), Frye
patent: 6447234 (2002-09-01), Sinn et al.

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