Evenly retractable and self-leveling nips sheets ejection system

Details Evenly retractable and self-leveling nips sheets ejection system Evenly retractable and self-leveling nips sheets ejection system

1997-08-18

1999-03-23

Skaggs, H. Grant

Sheet feeding or delivering

Delivering

Multiple discharge

271274, 270 5811, B65H 2920

Patent

active

058849106

ABSTRACT:
In a sheet handling system with a supporting frame, a sheets compiling tray, and a sheets ejection system including an drive shaft with plural sheet drive rollers and a pivotal mounting system for pivoting the drive shaft between a first position for sheets ejection and a raised second position, the pivotal mounting system provides vertical freedom of movement of at least one end of the shaft in the first position to provide a self-leveling more uniform sheet engagement force, yet also provides a positive accurately centered constrained position of the shaft in the second position. The illustrated pivotal mounting system includes a pivot pin vertically movable within a mounting slot in the supporting frame in the first position and spaced apart limited length mounting slots providing end stops engaging mounting pins in the second position to automatically center the pivot pin.

REFERENCES:
patent: 4775140 (1988-10-01), Foster
patent: 5016868 (1991-05-01), Ohtsuka et al.
patent: 5222730 (1993-06-01), Miyake
patent: 5346203 (1994-09-01), Stemmle
patent: 5544874 (1996-08-01), DeFigueiredo
patent: 5639078 (1997-06-01), Mandel et al.
patent: 5704609 (1998-01-01), Mandel et al.
Patent Application 08/826,175 (D/97001) filed Mar. 1997, Title: Automatically Retractable Extending Nip Sheet Ejection System For a Multiple Output Locations Stacking Device, by Mandel, et al.

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