Stacking tray system with nonvertically receding elevator yieldi

Details Stacking tray system with nonvertically receding elevator yieldi Stacking tray system with nonvertically receding elevator yieldi

1992-05-26

1994-06-07

Gastineau, Cheryl L.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Stack forming apparatus

414924, 271213, 271214, 271217, B65G 5722

Patent

active

053184017

ABSTRACT:
A sheet stacking system for stacking the sequential sheet output of a reproducing apparatus, with a sheet stacking tray providing an upwardly inclined sheet stacking surface at a substantial angle above the horizontal for receiving and registering sheets to be stacked thereon from a sheet output against an edge registration surface, and with a tray elevator for linearly repositioning the sheet stacking tray relative to the sheet output for maintaining the top stacking position and inclination, for the accumulation of a large stack; wherein the tray elevator repositions the sheet stacking tray downwardly in a linear but non-vertical movement path which is more perpendicular to the angle of the inclined sheet stacking surface and parallel to the edge registration surface, to provide non-vertical but more squarely superposed sheet stacking in the sheet stacking tray. Preferably, the sheet stacking apparatus has a non-vertical fixed end wall parallel the non-vertical movement direction of the sheet stacking tray, and this end wall provides the edge registration surface.

REFERENCES:
patent: 2933314 (1960-04-01), Stobb
patent: 4541763 (1985-09-01), Chandhoke et al.
patent: 4577853 (1986-03-01), Duke
patent: 4718807 (1988-01-01), Baxter
patent: 4880350 (1989-11-01), Stobb
patent: 5026034 (1991-06-01), Russel et al.
patent: 5098074 (1992-03-01), Mandel et al.
patent: 5190281 (1993-03-01), Cardenas

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