Front flap opener

Details Front flap opener Front flap opener

1978-01-19

1979-07-10

McGehee, Travis S.

Package making

With means responsive to a sensed condition

Of package and filled receptacle closing or opening

53382, B65B 4339

Patent

active

041603516

ABSTRACT:
Apparatus for opening the front flap of a container moving on a conveyor line toward a filling station. The invention includes a circular brush maintained above the conveyor line and rotatable by means of an air motor. The air motor is mounted upon a support member having rollers at the bottom thereof and movable between adjustable stops defining a track, the track running parallel to the conveyor. An air cylinder, pivotally mounted to a bracket at one end thereof, has an extendable rod connected to the top of the support member at another end thereof. Actuation of the air cylinder and air motor causes the rod to pass the rotating brush along the conveyor with the brush making lifting engagement with the front flap of the container. At the end of the track, the support member stops and the rod causes the brush to pass through an arc, assisting in the opening of the flap. A limit switch senses the arcuate motion of the brush and causes the rod to retract to an original position.

REFERENCES:
patent: 3852942 (1974-12-01), Johnson et al.
patent: 3861115 (1975-01-01), Peres

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