Patent ID: 6460846
Filing Date: 2002-10-08
Classification: B65H

Abstract:
A safe tiltable sheet feeding apparatus comprising:(a) a tiltable sheet support tray for supporting a stack of sheets to be fed lead edge first from the stack, said tiltable sheet support tray having a lead edge and a trail edge; (b) a feed head adjacent said sheet support tray for feeding a top sheet of the stack from the stack; (c) an elevator assembly for independently raising, lowering and tilting said trail edge of said sheet support tray, said elevator assembly including elevator drive motors, a controller, side frames defining lead edge elevator slots, and trail edge elevator slots; and (d) an overtilt safety sensor device mounted within said trail edge elevator slots and connected to said controller, for sensing overtilt of said trail edge of said sheet support tray, and for preventing resulting damage to the tiltable sheet feeding apparatus.