Patent ID: 7311650

Claim:
A case forming machine for erecting cases from knock down case form to an open form and for moving an opened case downward to a bottom forming station, comprising: a first jaw and a second jaw mounted for movement on a pivotal axis between a pick-up position wherein said first and second jaws are substantially parallel and an open squaring position wherein said first and second jaws are substantially perpendicular, first and second spaced apart stabilizer bars positioned to extend between said first and second jaws both when in the pick-up position and the open squaring position, the second stabilizer bar spaced further from the pivotal axis than the first stabilizer bar, passages through said second jaw positioned to permit said first and second stabilizer bars to pass through said second jaw as said second jaw is moved relative to said first jaw during opening of a case, said first and second stabilizer bars having their bottom edges in a radial plane relative to said pivotal axis.