Adjustable feeder for shingling carton blanks from a stack and m

Details Adjustable feeder for shingling carton blanks from a stack and m Adjustable feeder for shingling carton blanks from a stack and m

1992-02-24

1993-05-25

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 34, 271155, B65H 500, B65H 304

Patent

active

052133192

ABSTRACT:
For use with container production equipment, an apparatus is provided for controllably feeding a consistent stream of carton blanks in shingled form from a stack by applying constant pressure downwardly on a rotating belt which frictionally engages the top carton blanks to remove them from the stack. The preferred arrangement for removing carton blanks includes a device for applying pressure comprising an air pressure cylinder, and includes an arrangement for controlling the pressure applied to automatically maintain a constant pressure. The level of pressure applied may be adjusted to accommodate changing coefficients of friction between the feed belt and carbon blanks, and between adjacent carbon blanks, as well as to control the pressure applied to shingle a series of single carton blanks or to shingle a series of groups of two or more carbon blanks. A positioning arrangement permits positioning the point of application of pressure, thereby allowing adjustment of the shingle length, as well as adjustment to shingle carton blanks of different sizes.

REFERENCES:
patent: 3025052 (1962-03-01), Gutteling
patent: 3108801 (1963-10-01), Van Dalen
patent: 3493728 (1970-02-01), Braden, Jr. et al.
patent: 3635463 (1972-01-01), Stobb
patent: 3734490 (1973-05-01), Parks
patent: 4074902 (1978-02-01), Bradbury
patent: 4431175 (1984-02-01), Smith
patent: 4475732 (1984-10-01), Clausing et al.
patent: 4666141 (1987-05-01), Labombarde
patent: 4869486 (1989-09-01), Scarpa et al.

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