Material or article handling – Plural – static structures for supporting discrete loads and... – Load-underlying members
Patent
1980-03-17
1981-08-25
Sheridan, Robert G.
Material or article handling
Plural, static structures for supporting discrete loads and...
Load-underlying members
198491, 414282, 414564, B65G 102
Patent
active
042856230
ABSTRACT:
In a document storage and retrieval system of the type including at least one storage rack having a plurality of individual storage compartments, each of the compartments normally having positioned therein a cartridge holding a plurality of cards or the like, at least a first one of the compartments being empty and functioning as an access port for feeding cartridges into and removing cartridges from the storage rack, and a carriage assembly which travels on one side of the rack for transferring cartridges between the access port and the other storage compartments, the carriage assembly including a transport mechanism for moving cartridges thereon to and thereoff of, there is disclosed an improved transport and gate assembly positionable in a single empty storage compartment immediately below the access port which acts as a stop and cartridge presence sensor for blocking movement of a cartridge through the access port on to or off of the carriage assembly and which selectively retracts and allows movement of a cartridge through the access port between the carriage assembly and a receiving station upon command from a control station.
REFERENCES:
patent: 3297379 (1967-01-01), Artaud et al.
patent: 3536194 (1970-10-01), Novak
Hinderstein Philip M.
Infodetics Corporation
Sheridan Robert G.
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