Conveyors: power-driven – Conveyor section – Unit load conveying surface means moved about an endless or...
Patent
1987-03-30
1988-10-04
Spar, Robert J.
Conveyors: power-driven
Conveyor section
Unit load conveying surface means moved about an endless or...
B65G 1748
Patent
active
047750456
ABSTRACT:
A lift conveyor for conveying loads from one level to another comprises a first and second pair of offset endless chains trained over sprockets which guide the chains through their travel in a substantially parallel and spaced-apart relationship. The sprockets are rotatably driven by a motor, and load-carrying connectors connected to the chains define horizontal platforms between levels for carrying the loads and are bendable during their travel over the sprockets. By-pass stations are provided at each floor adjacent the chains which are selectively operable to by-pass any given floor. The by-pass station includes a lift table and a hydraulic device for raising and lowering the lift table. A horizontal roller conveyor on the lift table receives the loads and conveys them to a storage terminal, or when the table is raised in a by-pass mode, serves to re-load the load back onto the lift conveyor for lifting and unloading to another floor.
REFERENCES:
patent: 3337069 (1967-08-01), Burger
patent: 3631966 (1972-01-01), Katayama
patent: 3684079 (1972-08-01), Kuehl
patent: 3756378 (1973-09-01), Kuehl et al.
patent: 4465177 (1984-08-01), Dorner
Kimms Lyle
Spar Robert J.
Z-Loda Corporation
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