Electrophotography – Image formation – Development
Patent
1997-08-04
1999-05-25
Beatty, Robert
Electrophotography
Image formation
Development
222169, 222DIG1, G03G 1508
Patent
active
059077565
ABSTRACT:
A toner bottle has a concavity on one endface, connector ribs are provided on the interior wall of the concavity. A drive system is provided with a torque limiter and a retraction mechanism for retracting a drive member in an opposite direction from the toner bottle when there is insufficient connection between the toner bottle and the drive member. Accordingly, the drive system is not damaged when a user mistakenly rotates an installed toner bottle. A drive member for connection with ribs of the toner bottle, and a drive shaft for transmitting a rotational force to the drive member and a coupling also provided. At least two connector projections are provided on the toner bottle to engage connectors provided on the coupling. The coupling is rotated to a predetermined fixed position and stopped via a sensor when a toner bottle is not installed, so that when a user inserts a toner bottle into the coupling, connection between the toner bottle and the coupling is possible only at the predetermined position.
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Hara Masanori
Shirota Mihoko
Beatty Robert
Minolta Co. , Ltd.
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