Robotic case erector

A case setup apparatus comprising:

• a. a robotic arm characterized by first and second arm segments and three pivotable arm joints, a first arm joined J1 being an anchorable arm joint, a second arm joint J2 being an intermediate arm joint, and a third arm joint J3 being a distal arm joint;
• b. a case blank engaging apparatus operatively supported by said robotic arm via J3 for two dimensional travel from a source of case blanks, said case engaging apparatus comprising:
• i. a picker arm assembly for picking a case blank from the source of case blanks, a picker arm of said picker arm assembly fixedly supported within said case blank engaging apparatus;
• ii. a rack arm assembly for attaching to a picked case blank, a rack arm of said rack arm assembly pivotably supported relative to said picker arm assembly within said case blank engaging apparatus;
• and,
• iii. a flap folding subassembly operably supported by said picker arm assembly for reversible travel parallel to said picker arm of said picker arm assembly, said flap folding subassembly including flap engaging members, a flap engaging member of said flap engaging members being forwardly extendable to disassociate adjacent flaps of a case blank in advance of folding a flap by said flap engaging members.