1
Takatsugu Fujishiro, Hiroyuki Matsushiro, Noriyuki Kimura, Katsuhiro Aoki, Yuichi Ueno, Chiyako Kobayashi, Minoru Suzuki, Tomoji Ishikawa: Rotary developing device for an image forming apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, October 15, 1996: US05565973 (58 worldwide citation)

In an image forming apparatus, a rotary developing device effects development by revolving a plurality of developing sections around a rotary shaft until any one of them reaches a developing position where it faces an image carrier. Cartridges are respectively mounted to hoppers included in the deve ...


2
Nobuo Kasahara, Toshiya Sato: Rotary developing device for an image forming apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, December 17, 1996: US05585598 (19 worldwide citation)

In an image forming apparatus, a rotary developing device has a rotary developing unit or revolver facing a photoconductive element. The revolver rotatably supported by a pair of pivotable arms which are constantly biased toward the photoconductive element. When the revolver is rotated to bring one ...


3
Takatsugu Fujishiro, Minoru Suzuki, Noriyuki Kimura: Rotary developing device for image forming apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt, July 16, 1996: US05537197 (17 worldwide citation)

A rotary developing device for an image forming apparatus includes a plurality of rotary developing units accommodating a powder developer and being supported around a common axis, and a plurality of toner cartridges corresponding to the plurality of rotary developing units for supplying toner to th ...


4
Kazuyuki Sugihara: Rotary developing device for an image forming apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, August 12, 1997: US05657115 (16 worldwide citation)

In an image forming apparatus, a rotary developing device has a developing unit in which a plurality of developing chambers are arranged around an axis of rotation. The developing unit is rotated about the axis to bring one of the chambers to a developing position where an image carrier is located. ...


5
Kazuyuki Sugihara, Tomoji Ishikawa, Katsuhiro Kosuge: Rotary developing device for an image forming apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, July 28, 1998: US05787328 (15 worldwide citation)

In an image forming apparatus, a rotary developing device has a developing unit in which a plurality of developing chambers are arranged around an axis of rotation. The developing unit is rotated about the axis to bring one of the chambers to a developing position where an image carrier is located. ...


6
Kazuyuki Sugihara, Tomoji Ishikawa, Katsuhiro Kosuge: Rotary developing device for an image forming apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, December 15, 1998: US05850586 (10 worldwide citation)

In an image forming apparatus, a rotary developing device has a developing unit in which a plurality of developing chambers are arranged around an axis of rotation. The developing unit is rotated about the axis to bring one of the chambers to a developing position where an image carrier is located. ...


7
Kazuyuki Sugihara, Tomoji Ishikawa, Katsuhiro Kosuge: Rotary developing device for an image forming apparatus. Ricoh Company, Oblon Spivak McClelland Maier & Neustadt P C, September 21, 1999: US05956549 (7 worldwide citation)

A rotary developing device includes a developing unit having a plurality of developing chambers arranged around an axis of rotation of the developing unit and each having a developer agitating mechanism thereinside wherein the rotary developing device is rotatable about the axis to locate any one of ...