Package squaring device

Details Package squaring device Package squaring device

1997-12-04

1999-04-20

Sipos, John

Package making

Methods

Applying a partial cover

53 489, B65B 2102

Patent

active

058947108

ABSTRACT:
A package squaring device for folding flaps on cartons traveling on a continuous carton conveyor, including a lug attached to an endless flight chain, a flap tucker pivotally connected to the lug, and a cam bar slidably linked to the flap tucker. The lug further includes a member constructed and arranged to engage and stabilize a carton. An endless flight of package squaring devices are synchronized with the continuous carton conveyor so that one or more package squaring devices are traveling operationally adjacent to a carton. The cam bar is forced up and lifts the flap tucker as the package squaring device travels over a cam. The flap tucker is designed to fold a flap on a carton when it is lifted. The cam bar is forced down and lowers the flap tucker when the package squaring device travels off of the cam. The flap tucker of the present invention forms a moveable plow for laterally folding a carton flap while minimizing the longitudinal component forces that tend to skew cartons.

REFERENCES:
patent: 3543473 (1970-12-01), Cato
patent: 3548566 (1970-12-01), Sherman
patent: 3815320 (1974-06-01), Ganz
patent: 4338760 (1982-07-01), Kuhn
patent: 4481750 (1984-11-01), Cooley
patent: 4566248 (1986-01-01), Cooley
patent: 4651502 (1987-03-01), Ganz
patent: 5036644 (1991-08-01), Lashyro et al.
patent: 5241806 (1993-09-01), Ziegler et al.
patent: 5456058 (1995-10-01), Ziegler
patent: 5457940 (1995-10-01), Ziegler et al.

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