(19)
(11) EP 1 013 582 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.07.2000 Bulletin 2000/28

(43) Date of publication A2:
28.06.2000 Bulletin 2000/26

(21) Application number: 99125241.2

(22) Date of filing: 17.12.1999
(51) International Patent Classification (IPC)7: B65H 7/02, B65H 1/18
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 23.12.1998 US 220977

(71) Applicant: Xerox Corporation
Rochester, New York 14644 (US)

(72) Inventors:
  • Domoto, Gerhald A.
    Briarcliff Manor, New York 10510 (US)
  • Ricciardelli, John J.
    Poughkeepsie, New York 12603 (US)
  • Moore, Kenneth P.
    Rochester, NY 14624 (US)
  • Linder, Michael J.
    Walworth, New York 14568 (US)
  • Williams, Stephen B.
    Ontario, NY 14519 (US)
  • Haag, William R.
    Rochester, New York 14617 (US)
  • Yow, Greogory D.
    Webster, New York 14580 (US)
  • Clark, Lawrence A.
    Webster, New York 14580 (US)
  • Buchmann, Leonid
    Rochester, New York 14617 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) High capacity sheet feeder having tiltable tray


(57) A tiltable tray (210) utilizing a multi-position stack height (contact) sensor (350) (can detect 2 or more specific stack heights) in conjunction with a second sensor (340) near stack lead edge which also senses distance to the top sheet (without sheet contact). The two sensors together enable the paper supply to position the stack (53) with respect to the acquisition surface both vertically and angularly in the process direction. This height and attitude control greatly improves the capability of the feeder (200) to cope with a wide range of paper basis weight, type, and curl.






Search report