Mita Industrial Co., Ltd.

Masaru Gotoh

Nariaki Tanaka

Hiroyuki Hamakawa

Hiroyuki Hazama

Takashi Terada

Nobuhiro Nakajima

A process unit comprising a photoconductor unit and a developing unit supported pivotably via a support shaft. The photoconductor unit and the developing unit each have a pair of support side walls having support holes formed on the same axis. One pair of the support side walls define a pair of inner support side walls having an outside width smaller than the inside width of the other pair of the support side walls, while the other pair of the support side walls define a pair of outer support side walls. The pair of outer support side walls and the pair of inner support side walls are supported via the support shaft passing through the respective support holes. One end of the support shaft is supported by one of the outer support side walls via a bearing member detachably mounted in the support hole of the one of the outer support side walls.

Process unit

The present invention relates to a method of cleaning the outer circumferential surface of a drum by spraying a cleaning fluid thereon and a device for cleaning drums. The cleaning fluid is circulated and is cleaned with a filter during circulation. The drum is cleaned with a cleaning fluid passed through a primary filter having a porous structure at high pressure, after which the drum is cleaned with a cleaning fluid passed through a finishing filter having a fine porous structure. A device for cleaning drums switches a circulating passage for cleaning fluid so that the cleaning fluid can pass through the primary filter at high pressure to spray on the outer circumferential surface of the drum. Also, the device allows the cleaning fluid to pass through the finishing filter at low pressure to spray on the outer circumferential surface.

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Nara, Japan

Masaru Gotoh