(19)
(11) EP 0 367 202 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.10.1990 Bulletin 1990/43

(43) Date of publication A2:
09.05.1990 Bulletin 1990/19

(21) Application number: 89120134.5

(22) Date of filing: 30.10.1989
(51) International Patent Classification (IPC)5: B65H 1/06, B65H 1/24
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 31.10.1988 JP 275391/88
31.10.1988 JP 275392/88
11.07.1989 JP 178250/89
13.07.1989 JP 181563/89
13.09.1989 JP 238976/89

(71) Applicants:
  • CANON KABUSHIKI KAISHA
    Tokyo (JP)
  • DAI-ICHI SEIKI KOGYO CO., LTD.
    Mitsukaido-shi Ibaraki-ken (JP)

(72) Inventors:
  • Saito, Jun
    Kawasaki-shi Kanagawa-ken (JP)
  • Asakawa, Toshiyuki
    Sagamihara-shi Kanagawa-ken (JP)
  • Higeta, Akira
    Midori-ku Yokohama-shi Kanagawa-ken (JP)
  • Kameyama, Toru
    Tokyo (JP)

(74) Representative: Tiedtke, Harro, Dipl.-Ing. et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
80336 München
80336 München (DE)


(56) References cited: : 
   
       


    (54) Sheet feeding apparatus


    (57) This invention relates to a sheet feeding apparatus (1) comprising stacking means (15) for stacking sheets (5); feeding means (25) for feeding out sheets (5) stacked on said stacking means (15); urging means (26) including a plurality of urging members for urging the stacked sheets (5) against said feeding means (25); and switching means for switching at least one of said plurality of urging members between an urged state and a non-urged stage according to the amount of the stacked sheets (5).







    Search report