(19)
(11) EP 0 266 946 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.10.1988 Bulletin 1988/42

(43) Date of publication A2:
11.05.1988 Bulletin 1988/19

(21) Application number: 87309441

(22) Date of filing: 26.10.1987
(84) Designated Contracting States:
DE GB IT

(30) Priority: 28.10.1986 JP 25621486
28.10.1986 JP 25621586
28.10.1986 JP 25621686
28.10.1986 JP 25621786
28.10.1986 JP 25621886
07.11.1986 JP 26509586
07.11.1986 JP 26509786
11.11.1986 JP 26838686
11.11.1986 JP 26838986
11.11.1986 JP 26839086
18.11.1986 JP 27458586
18.11.1986 JP 27458686
10.03.1987 JP 5290287
29.06.1987 JP 15981687
07.07.1987 JP 16792087
07.07.1987 JP 16792187
10.07.1987 JP 17118187

(71) Applicant: CANON KABUSHIKI KAISHA
 ()

(72) Inventors:
  • Kasamura, Toshirou
     ()
  • Ohashi, Masashi
     ()
  • Kusumoto, Toshihiko
     ()
  • Okuda, Naoki
     ()
  • Kimura, Akiyoshi
     ()
  • Nada, Minoru 1-16-42-303 Inadazutsumi
     ()
  • Ikeda, Masamichi
     ()
  • Sasaki, Nobukazu
     ()
  • Munenaka, Katsumi
     ()
  • Hishikawa, Yasuhide Canon-ryo
     ()
  • Maeda, Yasunori
     ()
  • Toyama, Yoshikuni
     ()
  • Tanabe, Ken
     ()
  • Ozawa, Takashi
     ()

   


(54) Developing device accommodating apparatus and image forming apparatus and developing device


(57) An image forming apparatus includes an image bearing member (11), image forming station for forming a latent image on the image bearing member, a conveying passage (104, 112) extending toward the image bearing member to guide a developing device (13), a first moving mechanism for engaging with the developing device in the conveying passage and moving it in a substantially horizontal plane, wherein the image bearing member, the latent image forming station, the conveying passage that the first moving mechanism are provided in a main body (103) of the image forming apparatus, a device (150) for accommodating a plurality of developing devices (13A-D). The accommodating device is mounted to the main body, the accommodating device includes, a second moving mechanism for moving the developing device opposed to the conveying passage into the conveying passage in a substantially horizontal plane and an accommodating case having partition stages (151a-d) arranged substantially vertically for accommodating plural developing devices and movable together with the developing devices accommodated therein, and a driver for transmitting a driving force selectiveIy to the first driving mechanism, the second driving mechanism and the accommodating case.





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