Entwicklungsgerät

• Main Authors: HASHIZUME, HIROSHI, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, FUJII, YASUO, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, TAKAGI, TOSHIO, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, NISHINA, SHUJI, KOFU-SHI, YAMANASHI-KEN, JP, ARAI, SEIJI, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, SATO, KOICHIRO, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, MARUTA, MASATOSHI, HIGASHIYATSUSHIRO-GUN, YAMANASHI-KEN, JP, NAKAMURA, TETSUYA, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, ISHIKAWA, MASAAKI, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, HUKASAWA, JIRO, YAMANASHI-KEN, JP, IGUCHI, MICHIHISA, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, FUKUYAMA, HIROTAKA, INTELLECT. PROP. DIV., MINATO-KU, TOKYO 105, JP, KOIZUMI, SEIICHI, KITAKOMA-GUN, YAMANASHI-KEN, JP
• Format: Patent
• Language: German
• Published: 20.07.1995
• Edition: 6
• Subjects: CINEMATOGRAPHY; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; HOLOGRAPHY; MAGNETOGRAPHY; PHOTOGRAPHY; PHYSICS

The invention provides a developing apparatus which comprises a hopper (2) storing toner and carrier, a transferring roller (1) which is disposed to an opening at the bottom of the hopper (2) for transferring toner and carrier, a carrier stopper (10) which is installed inside of the front wall (2a) of the hopper and provided with an arced surface opposite from the transferring roller (1), and in addition, forms specific space for storing carrier and toner between the arced surface and the sleeve (1a) of the transferring roller (1) to prevent carrier from externally scattering itself from the space. By virtue of conjunctional effect of the rotation of the rotary sleeve (1a) of the transferring roller and the magnetic force of a rotary magnet (1b) coaxially provided in the sleeve, carrier and toner stored in the space formed between the arced surfaces of the sleeve and the carrier stopper (10) is blended together before externally delivering the blended layer.