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US 5,689,931 AGranted
Case erector with A-B detection
AssigneeRoberts Systems, Inc.
InventorsJimmy R. Bridges, Phillip S. LaChapelle, Claude E. Monsees
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Abstract
A case erector with A-B detect is disclosed. This case erector eliminates the need to sort A and B type cases and thus increases the rate at which boxes can be erected. Whether the case is an A or B type case determines how far into the case erector the flattened case is fed and whether the case is unfolded to the left or the right.
Claims2
A case packing device comprising:
- a source of flattened and folded cases, said cases comprising a mixture of an A-type and B-type cases said A and B-type cases being distinguished whether they open to the left or right respectively,
- an assembly for separating a single case when said source of cases and for feeding said separating case to a case unfolding mechanism, said case unfolding mechanism having;
- a left and a right stationary case unfolding plow;
- a plurality of grippers for gripping said case;
- a mechanism for moving said gripper to hold said case against said plow thereby unfolding said case;
- a mechanism for lowering said grippers to lower said unfolded case over a group of articles to be cased;
- a sensing mechanism positioned on said packing device, said sensing mechanism detecting whether the said folding case is an A or B-type case;
- means for moving an A-type folded case to a first point within said case unfolding mechanism wherein said A-type case is an operative engagement for unfolding the said right plow and said B-type folded case is by means positioned at a second point within said case unfolding mechanism wherein said second point is down-stream of said first position and said B-type case is in operative engagement with said left plow.
5 more elements
Dependencies are inferred from the claim text.