Konica Minolta, Inc.

Konica Minolta Business Technologies, Inc.

Hitachi Industrial Equipment Systems Co., Ltd.

Hideaki Ikeda

Takeru Kinoshita

Hideji Higashimura

Masanori Murakami

Toru Hayase

Hiroshi Mizuno

Mamoru Fukaya

Junji Murakawa

Akito Ohata

Shinji Yanase

Takuji Yamamoto

Kenichi Ashida

Hikaru Uchida

Keiko Yasuda

According to the present invention, there is provided a compressor including: a piston reciprocated in a cylinder; a valve seat plate provided with a port through which a fluid passes along with the reciprocation of the piston; a valve provided in the valve seat plate to open/close the port; a valve receiver regulating the degree of opening of the valve; and a stress suppression member provided between the valve and the valve receiver, wherein the stress suppression member includes a valve exposing portion exposing the valve.

Compressor valve arrangement

A developing roller includes: a magnet roller including a roll part with a magnetic pole; a cylindrical sleeve that houses the magnet roller; a first flange connected to one end of the sleeve; a second flange connected to another end of the sleeve; a conductive shaft connected to a side of the second flange of the magnet roller; a first bearing that supports the first flange so that the first flange rotates relative to the magnet roller; and second bearings that support the second flange so that the second flange rotates relative to the conductive shaft. The second bearings are conductive, and are disposed at different positions along an axial direction of the conductive shaft.

Developing roller, developer, and image forming apparatus

Toner cartridge

A toner supply device includes: a device body; and a toner bottle, wherein a toner supply port is formed in each of the device body and the toner bottle, either one of the device body and the toner bottle includes: a shutter that can be selectively moved between a shielding position and an open position; and a first engagement part, the other one of the device body and the toner bottle includes a second engagement part, the shutter is moved from the shielding position to the open position and the shutter opens the toner supply port, and then the first engagement part is engaged with the second engagement part, and the shutter is moved from the open position to the shielding position and the shutter closes the toner supply port, and then engagement between the first engagement part and the second engagement part is disengaged.

Toner supply device with movable toner bottle

An image forming apparatus includes: an image carrier that includes a rotating shaft, and is rotatable around the rotating shaft; a plurality of functional members disposed along an outer periphery of the image carrier; and a plurality of distance regulating members that maintains a constant distance between each of the plurality of functional members and the image carrier, wherein the plurality of functional members includes a first functional member and a second functional member, the plurality of distance regulating members includes a first distance regulating member and a second distance regulating member, the first distance regulating member includes a first abutting surface, the second distance regulating member includes a second abutting surface, and the first abutting surface and the second abutting surface are disposed side by side in a circumferential direction on the peripheral surface of the rotating shaft.

Image forming apparatus

A fixing apparatus includes: an endless fixing belt; a pad member having a receiving surface and a supported surface; a pressing rotator pressing the fixing belt against the receiving surface and forming a nip portion between an outer circumferential surface of the fixing belt and the pressing rotator; a supporting member supporting the pad member; and a heating source to heat the fixing belt. The supporting member includes a base abutting on the supported surface of the pad member, and an erected wall erected from the base to partition a space inside the fixing belt into an upstream space and a downstream space. The erected wall is disposed upstream or downstream in a recording-material transport direction, from an intermediate position of the nip portion. The heating source is disposed in a larger one of the upstream space and the downstream space.

Fixing apparatus and image forming apparatus

A gear mounting portion of a rotating shaft includes a shaft portion, with a D-shaped cross-section, engaged with a connecting portion of a gear having a D-shaped cross-section; the connection portion provided with a first hole portion; one flexible portion provided along the axial direction; and a retaining portion provided at a tip of the flexible portion. The retaining portion protrudes outwards with respect to the shaft portion, and the shaft portion is engaged with the connecting portion after the retaining portion has passed through a second hole portion of a hollow shaft. The flexible portion remains bent while the retaining portion passes through the second hole portion of the hollow shaft. Once the shaft portion engages with the first hole portion of the connecting portion, the flexible portion ceases to bend and engages with the gear. As a result, without damaging the rotating shaft, the gear is reliably prevented from coming free from the rotating shaft.

Power transmission body mounting structure and toner transportation device

An image forming apparatus having a cleaner for cleaning a surface of a dust-proof glass disposed on a housing of a laser scanning unit for irradiating a photosensitive member with a laser modulated in accordance with image data. The cleaner is supported by a frame of the image forming apparatus body such that the cleaner is movable while keeping in contact with the dust-proof glass and such that the cleaner stays in a stand-by position while keeping out of contact with the dust-proof glass and the housing of the laser scanning unit.

Growing community of inventors

Toyokawa, Japan

Hideaki Ikeda