Self-driven liftup conveyor, vehicular liftup conveyor, truck fr

Details Self-driven liftup conveyor, vehicular liftup conveyor, truck fr Self-driven liftup conveyor, vehicular liftup conveyor, truck fr

1995-02-09

1996-08-06

Keenan, James W.

Material or article handling

Self-loading or unloading vehicles

Conveyor

414529, 414535, 198809, B60P 136, B60P 152

Patent

active

055428096

ABSTRACT:
A self-driven liftup conveyor comprises a channel including a bottom plate and two side plates; a roller tray accommodated in the channel and holding a multiplicity of rollers in a rotatable manner; a belt placed all over the length of the rollers; a drive mechanism for reciprocating the belt; and a lift mechanism interposed between the roller tray and the channel for moving the roller tray together with the belt on the rollers vertically with respect to a freight stacking face. A vehicular liftup conveyor is constructed by placing that self-driven liftup conveyor and ordinary liftup conveyors in parallel on the truck bed. A truck freight loader/unloader is constructed by placing the self-driven liftup conveyor and the ordinary liftup conveyors in parallel on a platform to be connected to the truck bed. A truck freight loading system is constructed by combining the truck freightloader/unloader and the truck bed having an ordinary liftup conveyor mounted thereon.

REFERENCES:
patent: 2693286 (1954-11-01), Cocks
patent: 3905494 (1975-09-01), Yatagai et al.
patent: 4293065 (1981-10-01), Dyer et al.
patent: 4844684 (1989-07-01), Bradley
patent: 4887937 (1989-12-01), Thunnissen
patent: 4909378 (1990-03-01), Webb
patent: 4966515 (1990-10-01), Van Niekerk
patent: 4967894 (1990-11-01), Thunnissen

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