Sheet feeding or delivering – Feeding – Separators
Patent
1975-06-16
1977-03-08
Cherry, Johnny D.
Sheet feeding or delivering
Feeding
Separators
271134, 271144, 271166, 271171, B65H 106, B65H 308
Patent
active
040109445
ABSTRACT:
A blank feeding device for feeding successive bottom blanks from a stack of blanks into adjacent processing machinery includes a feed table for supporting the stack of blanks thereon; a gate spaced above the feed table and defining an opening therebetween through which the bottom blanks are advanced into adjacent processing machinery; a reciprocating suction feeder beneath the stack for applying suction pressure to the bottom blank during the forward stroke of the suction feeder for advancing the bottom blank through the opening; and an adjustable backstop including a manually pivotable portion in contact with the trailing edge of the blanks in the stack for maintaining a portion of the weight of the stack off the bottom most blank and automatically positionable along the feed table to accommodate different size blanks.
REFERENCES:
patent: 773939 (1904-11-01), Johnson
patent: 1643646 (1927-09-01), Swift
patent: 2498061 (1950-02-01), Apgar
patent: 3226108 (1965-12-01), Bishop
patent: 3481598 (1969-12-01), Lopez
patent: 3726454 (1973-04-01), Robbins
patent: 3866641 (1958-12-01), Cote
patent: 3949980 (1976-04-01), Hartka
Brumback Oscar B.
Cherry Johnny D.
Koppers Company Inc.
Stoner Jr. Bruce H.
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