Canon Kabushiki Kaisha

Amada Company, Limited

Koito Manufacturing Company, Ltd.

Panasonic Corporation

Sony Corporation

Matsushita Electric Industrial Co., Ltd.

Panasonic Intellectual Property Management Co., Ltd.

Nippon Telegraph and Telephone Corporation

Matsushita Electric Works, Ltd.

Fuji Xerox Co., Ltd.

Hitachi, Ltd.

Tokyo Electron Limited

Victor Company of Japan, Limited

Ricoh Company, Ltd.

Kabushiki Kaisha Kobe Seiko Sho

Masaaki Sato

Hiroyuki Munetsugu

Satoshi Nishiya

Shinjiro Toba

Yosuke Kashiide

Koji Wada

Masatoshi Yamashita

Goshi Ozaki

Sohta Sugimoto

Yukio Kubo

Yuichi Fukui

Kazuhiko Kanno

Tomio Noguchi

Mitsuhiro Sato

Hiroshi Takarada

Takeshi Shiba

Tsuyoshi Ogawa

Hideki Nagae

Shigeo Miyabe

Kenichi Iida

Akira Yoshimura

Tatsuya Suzuki

Hiroaki Shimizu

Yuichiro Inaba

Shunsuke Komori

Kazuo Chadani

Osamu Anan

Masaru Sakai

Takao Sameshima

Yujiro Motomizu

Jyuzaemon Iwasaki

Tetsushi Uneme

Akinobu Kubota

Hideki Kakuta

Kenichi Hayashi

Susumu Nittani

Noriyoshi Ueda

Yasufumi Yoshino

Tetsuo Furukawa

Toshiharu Kawai

Katsuaki Hirai

Yoshifumi Takehara

Hiroomi Matsuzaki

Norifumi Miyake

Kohei Matsuda

Shinji Fujimoto

Katsuhito Kato

Yuta Isobe

Takahiro Ikeda

Kunio Yoshida

Takashi Kase

Nobutaka Uto

Takahito Ueno

Tomonori Mori

Takeo Kawanami

Masakazu Sato

Yu Fukasawa

Isao Koishi

Takeshi Honjo

Makoto Kitahara

Koichi Murakami

Yoshinori Isobe

Akinori Mitsumata

Toshio Ikuta

Noritomo Yamaguchi

Nobuyuki Kobayashi

Akimitsu Hoshi

Hiromichi Tsujino

Ryota Hiura

Yuji Takahashi

Naoki Hayashi

Kenji Kobayashi

Atsushi Numagami

Toshiyuki Karakama

Tachio Kawai

Aizo Kaneda

Masakazu Hiroi

Satoru Sugawara

Takao Muramatsu

Takashi Kimura

Shunsuke Hijikata

Toshihiro Ishii

Nobuaki Takahashi

Yasuhiro Hosoda

Shigeyuki Watanabe

Tatsuo Fujisaki

Makoto Mochizuki

Toshiki Fujino

Kimiaki Hayakawa

Masahiro Ogasawara

Makoto Iwahara

Michinori Kohara

Ryo Motohashi

Sumio Yokomitsu

Shin Fukuda

Tomihiro Kaneko

Shiro Kunori

Hiroshi Kajimoto

Masanobu Yamasaki

A cartridge includes a developing roller and a frame configured to support the developing roller. A lever is connected to the frame, with the lever being movable relative to the frame, and with a part of the lever protruding beyond the frame. The cartridge also includes a memory board. and an electrode portion connected to the memory board. When the cartridge is oriented with the lever and the electrode portion at a bottom portion of the cartridge, the protruding part of the lever protrudes downward from the frame and at least a part of an exposed part of the developing roller is positioned above the rotational axis.

Cartridge, member constituting cartridge, and image forming apparatus

In a case where a vacant space exists on only one side in a holder area of a stocker positioned at an exchange position, a first upper tool exchange unit is first moved in the left-right direction, and located in the vicinity of the vacant space. Next, the first upper tool exchange unit is moved forward and thereafter moved to the left, so that a tool retention member of the first upper tool exchange unit is brought into contact with one side surface of a tool. Then, under the contact state, the first upper tool exchange unit is moved to the right until the other side surface of the tool abuts on a stopper.

Bending system and correcting method for tool misalignment

A cartridge includes a developing roller rotatable about an axis Lof the developing roller and a coupling member for receiving a driving force, with the coupling member being operatively connected to the developing roller. A first urging member is contactable to the coupling member, with the first urging member being configured to urge the coupling member in a first direction. A second urging member is contactable to the coupling member, with the second urging member being configured to urge the coupling member in a second direction that is opposite to the first direction. The first and second urging members are simultaneously contactable to the coupling member.

Cartridge and electrophotographic image forming apparatus

Toner pack

An image forming apparatus includes a developer container to and from which a replenishment container is attachable and detachable and which includes an accommodating portion that accommodates developer and a replenishment port, an agitation member, an opening/closing member configured to be movable between a closed position and an open position, a drive source for driving the agitation member, and a control portion configured to control the drive source. The apparatus is configured such that image formation is not possible when the opening/closing member is at the open position, and the agitation member is capable of driving in a case where the opening/closing member is at the open position.

Image forming apparatus

A cartridge incudes a developing roller for developing a latent image on a photosensitive drum, a drive inputting portion for receiving a driving force for driving the developing roller, a movable lever, and a clutch for transmitting the driving force received by the drive inputting portion to the developing roller. In a state where the developing roller contacts the photosensitive drum, the clutch is capable of preventing the transmission of the driving force to the developing roller in response to a position of the movable lever.

Cartridge, process cartridge and electrophotographic image forming apparatus

A cartridge includes a developing roller rotatable about a rotational axis thereof and a movable lever. A coupling member is operatively connected to the developing roller, with the coupling member being movable, in response to a movement of the lever, between (a) a first position in which the coupling member is exposed to outside of the cartridge, and (b) a second position. The coupling member is provided at a first end portion on a first side of the cartridge. In a direction of the rotational axis of the developing roller, the first position is farther from a second end portion provided on a second side of the cartridge that is opposite to the first end portion on the first side of the cartridge than the second position is from the second end portion on the second side of the cartridge.

A cartridge includes a developing roller and a frame configured to support the developing roller. A lever is connected to the frame, with the lever being movable relative to the frame, and with a part of the lever protruding beyond the frame. The cartridge also includes a spring deformable in response to a movement of the lever relative to the frame, with the spring being positioned such that it is capable of exerting a first force on the lever and a second force on the frame. A memory board is provided and an electrode portion is connected to the memory board. A part of the electrode portion and a part of the spring are positioned in a plane that is perpendicular to a rotational axis of the developing roller.

A process cartridge includes a photosensitive drum and a developing roller for developing a latent image on the photosensitive drum. The process cartridge also includes a protrusion having a surface configured to receive a force to move a frame supporting the developing roller from the first position in which the developing roller contacts the photosensitive drum to the second position in which the developing roller is spaced apart from the photosensitive drum. The process cartridge is configured such that, when the frame is in the first position and the process cartridge is oriented with the photosensitive drum and the protrusion positioned at a bottom side of the process cartridge, (i) a rotational axis of the photosensitive drum is lower than a rotational axis of the developing roller, and (ii) as viewed in a direction of the rotational axis of the photosensitive drum, the surface of the protrusion extends in a direction that is perpendicular to a part of a surface at the bottom side of the process cartridge that extends away from the photosensitive drum and away from the protrusion.

Image forming apparatus and process cartridge including protrusion to receive a force for moving developing roller

An upper tool stocker for detachably supporting a plurality of divided upper tools in a press brake includes a stocker main body extending in a left-right direction, and provided with a left-right directional installing groove, attachment portions provided in upper portions of the divided upper tools being detachably installed in the installing groove, wherein the stocker main body includes a front-back directional cutout communicated with the installing groove to remove the divided upper tools downward or in the front-back direction from the installing groove.

Upper tool stocker

An image forming apparatus includes a developer container having an accommodating portion to accommodate developer, and a replenishment port for replenishing the accommodating portion with developer from an attachable replenishment container. A transfer portion transfers the developer image on an image bearing member onto a recording material, a supporting tray supports the recording material, and a discharge portion discharges the recording material on the supporting surface. The supporting tray has an opening portion opening with the replenishment port being exposed through the supporting surface, wherein an opening/closing member is movable between a closed position where it covers the replenishment port and serves as a part of the supporting surface and an open position where the replenishment port is exposed. Movement of the opening/closing member to the closed position is hindered by the replenishment container in a state it is attached to the developer container.

Image forming apparatus having toner replenishment

A tool changer includes a slider provided behind (or in front of) a table of a press brake, and configured to slide in a right-left direction along a tool installation part of the table, a finger provided in the slider, and configured to be inserted into an engagement hole extending through a tool and to move in a front-rear direction, and an engagement member configured to be protruded and retracted relative to an outer peripheral surface of the finger on a tip side, and to be engaged with a peripheral edge portion of the engagement hole of the tool (or an inner stepped portion formed at an intermediate position of the engagement hole).

Tool changer

A first tool retention member of a first tool exchange unit retains a first tool to be exchanged in a state of being engaged in an engagement hole of the first tool. A second tool retention member of a second tool exchange unit retains a second tool not to be exchanged in a state of being engaged in an engagement hole of the second tool. Subsequently, the first tool exchange unit moves in a left-right direction in a state in which a movement of the second tool exchange unit in the left-right direction is stopped.

Bending system and tool transport method

A cartridge includes a developing roller rotatable about a rotational axis thereof, and a frame configured to support the developing roller. A lever is connected to the frame, with the lever being elastically deformable such that a first part of the lever is movable relative to a second part of the lever and relative to the frame, and the lever protruding from the frame. A coupling member is configured to transmit a rotational force to the developing roller, the coupling member being rotatable about a rotational axis thereof, and the coupling member being movable relative to the frame in a direction of its rotational axis. When the cartridge is oriented with the lever and the electrode portion at a bottom portion of the cartridge, the lever protrudes downward from the frame.

A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position. When the movable part receives force from the apparatus main assembly at the first force receiving part and is at the second position, the movable part receives urging force from the elastic part in a direction of moving the movable part from the second position to the first position.

Growing community of inventors

Yokohama, Japan

Masaaki Sato