Universal four flap opener

Details Universal four flap opener Universal four flap opener

1982-04-29

1984-10-23

Sheridan, Robert G.

Package making

Means to open or erect receptacle

Means to open flap, e.g., carton, flap, box lid, etc.

B65B 4349

Patent

active

044780230

ABSTRACT:
Apparatus for automatically receiving and opening the four flaps of a cardboard case or the like. The invention includes a conveyor system for transporting cases in spaced relationship with each other past a pair of vacuum-actuated hinged shoes which engage and partially open the side flaps and direct the same into a plow. The plow completes the opening of the side flaps. A pair of brushes, having common drive, but opposite rotation, are adapted for opening the front and rear flaps. A fabric belt engages and holds the front flap down, while a rotating arcuate member makes hold-down contact with the rear flap. The apparatus is adjustable to accommodate cases and flaps of varying dimensions.

REFERENCES:
patent: 3224165 (1965-12-01), Nigrelli et al.
patent: 3852942 (1974-12-01), Johnson et al.
patent: 4160351 (1979-07-01), Mais et al.

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