Blank feeding

Details Blank feeding Blank feeding

1977-05-25

1978-09-19

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271101, 271106, B65H 340

Patent

active

041148720

ABSTRACT:
In apparatus for feeding blanks for hinged lid packets, the blanks are supported in a stack by two pairs of pivotal claws which operate alternately so that at any given time only one pair of opposed claws supports the stack. A plunger device, having a central and two tiltable outer sections, engages the lowermost blank by suction and bends down opposite ends of the blank through a small angle, thus progressively withdrawing the blank from the stack.
In a modification one pair of claws is replaced by fixed ledges, and a fixed finger is associated with each pivotal claw.

REFERENCES:
patent: 2378306 (1945-06-01), Leonhart
patent: 2745665 (1956-05-01), Labombarde
patent: 3069158 (1962-12-01), Engleson
patent: 3322301 (1967-05-01), Bliss

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