U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Paper-resupplying device in image-forming apparatus

Patent 5280897 Issued on January 25, 1994. Estimated Expiration Date: Icon_subject January 7, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Sheet conveyance apparatus
Patent #: 4939554
Issued on: 07/03/1990
Inventor: Hirabayashi, et al.

Method and apparatus for stacking apertured sheets without jamming
Patent #: 4941654
Issued on: 07/17/1990
Inventor: Kelley

Copying apparatus operable in a two-side copy mode
Patent #: 4954849
Issued on: 09/04/1990
Inventor: Koike, et al.

Recording sheet stacking apparatus in image recording system
Patent #: 4978111
Issued on: 12/18/1990
Inventor: Kosugi, et al.

Recirculating sheet feeding apparatus
Patent #: 5092576
Issued on: 03/03/1992
Inventor: Takahashi, et al.

Method of forming two-sided prints Patent #: 5132720
Issued on: 07/21/1992
Inventor: Kioka, et al.

Inventor

Assignee

Application

No. 001420 filed on 01/07/1993

US Classes:

271/3.03, Intermediate tray271/207, To receiver for pack of sheets271/209, With means to bow sheets271/223Members adjustable to sheet size

Examiners

Primary: Skaggs, H. Grant

Attorney, Agent or Firm

Foreign Patent References

  • 4002785A1 DE. 08/13/1990
  • 166262 JP 10/13/1982
  • 185767 JP 08/13/1988
  • 185768 JP 08/13/1988

International Classes

B65H 005/22
B65H 031/00

Foreign Application Priority Data

1990-10-16 JP

Abstract

The distance between a paper discharging portion and an intermediate tray in a paper discharging device is increased, thus increasing the quantity of papers stacked in the intermediate tray, and also allowing the easy correction of jamming and preventing curling downwardly and rearwardly of papers discharged from the paper discharging portion.

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