Tray exit ramp

Details Tray exit ramp Tray exit ramp

2011-07-05

2011-07-05

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding

Pack holders

C271S162000, C271S167000

Reexamination Certificate

active

07971871

ABSTRACT:
A sheet stacking tray assembly may include a tray having a lead edge surface, a tray exit ramp having a first end and a second end, and a feeder having a feeder edge. The first end of the tray exit ramp may be configured to connect to the lead edge surface. The tray exit ramp may be convex relative to the lead edge surface and may extend beyond the lead edge surface. The tray exit ramp may include one or more first anti-stub surfaces, that may be configured to be positioned below a lead edge of a sheet in a sheet stack. The feeder edge of the feeder may include one or more second anti-stub surfaces that are complementary to the first anti-stub surfaces. The feeder edge may be configured to interconnect with the second end of the tray exit ramp to form a transition surface.

REFERENCES:
patent: 5480247 (1996-01-01), Saikawa et al.
patent: 5848787 (1998-12-01), Miki
patent: 6302390 (2001-10-01), Clark et al.
patent: 6939068 (2005-09-01), Rawlings et al.
patent: 7188835 (2007-03-01), Lee et al.
patent: 2002/0000691 (2002-01-01), Takai
patent: 2008/0088080 (2008-04-01), Liu et al.
patent: 2259499 (1993-03-01), None

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