Sheet-material associating – Associating or disassociating – Signature associating
Patent
1989-03-29
1990-06-12
Garrett, Robert E.
Sheet-material associating
Associating or disassociating
Signature associating
270 54, B65H 4302
Patent
active
049326457
ABSTRACT:
An apparatus and method for controlling a collator having a plurality of delivery conveyors are disclosed. The collator includes a plurality of hoppers for feeding a plurality of signatures to a plurality of gathering stations or pockets which moves past the hoppers. An assemblage, i.e., a group of collated signatures is formed in each of the plurality of pockets. The plurality of delivery conveyors receives assemblages from the plurality of pockets during operation of the collator. If a fault condition is detected downstream of one of the plurality of delivery conveyors, then receipt of assemblages by the one delivery conveyor is interrupted while receipt of assemblages by the other of the plurality of delivery conveyors is maintained. The result is that only the one delivery conveyor with the downstream fault condition ceases delivering assemblages. All production from the collator does not cease. Production and delivery of assemblages onto the delivery conveyors with no fault condition are maintained.
REFERENCES:
patent: 3822877 (1974-07-01), Littleton
patent: 3825246 (1974-07-01), Elia et al.
patent: 3953018 (1976-04-01), Maopolski
Cadow Jeffrey C.
Schorey James E.
AM International Incorporated
Garrett Robert E.
Newholm Therese M.
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