Material or article handling – Movable rack having superposed – charge-supporting elements,... – Rack moved vertically by elevating means
Patent
1993-10-01
1996-03-26
Werner, Frank E.
Material or article handling
Movable rack having superposed, charge-supporting elements,...
Rack moved vertically by elevating means
414416, 414217, 414939, 414937, 118500, 224270, 224272, B65G 104
Patent
active
055015646
ABSTRACT:
According to the present invention, a system for storing and distributing flat objects to different working stations is provided. The system comprises storage modules (2), transportation or conveying modules (4, 4A) and distribution modules (5). All these modules are placed alongside one another to form a continuous chain. Each module has fixed or mobile rollers (7) constituting two superimposed displacement tracks for operating in two opposite directions. Portable racks (20) are also provided. Particular utility is found in storage and transportation of boxes containing silicon wafers.
REFERENCES:
patent: 4153164 (1979-05-01), Hofmeister
patent: 4636128 (1987-01-01), Millis et al.
patent: 4759681 (1988-07-01), Nagami
patent: 4872554 (1989-10-01), Quernemoen
patent: 4900212 (1990-02-01), Mikahara
Commissariat a l''Energie Atomique
Werner Frank E.
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