Large or flimsy sheets stacking system for disk type inverter-st

Details Large or flimsy sheets stacking system for disk type inverter-st Large or flimsy sheets stacking system for disk type inverter-st

1997-07-11

1998-12-01

Terrell, William E.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271186, 271185, B65H 2922

Patent

active

058426957

ABSTRACT:
In a disk-type inverter-stacker system with plural rotatable fingers extending radially from an axis or rotation for sequentially inverting and stacking onto a stacking tray the printed sheets outputted by a reproduction apparatus, by temporarily retaining at least the leading portion of the sheet in sheet transporting slots defined by inside surfaces of the rotatable fingers, a fixed position sheet corrugating member is spaced from but interdigitated with the rotatable fingers, extending slightly radially beyond the inside surfaces of the fingers to slightly corrugate the leading portion of said sheet while it is in the finger-defined slots to provide improved inverting and stacking of sheets exceeding the length of the slots. Preferably, there is a fixed semi-cylindrical baffle radially inside of said rotatable fingers, and the sheet corrugating member is an arcuate narrow finger-like member mounted to and extending partially around this arcuate baffle between two of the fingers, causing sheets exceeding the length of the slots to form a loop extending above the inverter-stacker system.

REFERENCES:
patent: 4469319 (1984-09-01), Robb et al.
patent: 4925179 (1990-05-01), Breton et al.
patent: 5261655 (1993-11-01), Keller et al.
patent: 5409202 (1995-04-01), Naramore et al.
Jenkins, W.M. "Sheet Flip Enhancer," IBM Technical Disclosure Bulletin Vol. 23, No. 7A. pp. 2635-2636, Dec. 1980.

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