PHOTOSENSITIVE DRUM UNIT DETECTOR OF ELECTROPHOTOGRAPHIC COPYING MACHINE

PURPOSE:To detect parts constituting a photosensitive body drum not yet set by one detecting member by making a detecting member that detects a front side drum flange interlock with setting of a drum face plate. CONSTITUTION:A rear side drum flange 5, a photosensitive drum 6, a front side drum flang...

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Bibliographische Detailangaben
1. Verfasser: SHIMOMURA AKIZO
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To detect parts constituting a photosensitive body drum not yet set by one detecting member by making a detecting member that detects a front side drum flange interlock with setting of a drum face plate. CONSTITUTION:A rear side drum flange 5, a photosensitive drum 6, a front side drum flange 17 and a drum face plate 20, which are parts constituting a photosensitive drum unit, are inserted correctly into a drum shaft 3, and the drum face plate 20 is set and fixed to a front side plate 1. Thereby, a detecting switch 23 is pushed to a position shown by solid lines, and an annular collar 17a of the front side drum flange 17 is inserted in its concave part 23a. Thus, correct setting of structural parts of a photosensitive drum unit is detected.