Electrophotography – Image formation – Development
Patent
1999-03-22
1999-11-16
Royer, William
Electrophotography
Image formation
Development
399348, G03G 1510
Patent
active
059872853
ABSTRACT:
The invention provides a belt type photosensitive member cleaning apparatus for a wet type image forming apparatus which can effectively remove liquid developer pressed out by a pair of pressing out rollers for removing remaining liquid developer from a belt like photosensitive member after developed to prevent such liquid developer from flowing out and soiling to a window for a sensor or the photosensitive member. Each of the pressing out rollers provided in a stage next to a first pressing out roller has grooves formed at the opposite end portions thereof such that liquid developer which tends to be pressed out from the opposite ends of each of the second pressing out rollers is collected in the grooves. A pair of wiper blades having a length greater than the longitudinal ranges of the pair of pressing out rollers are disposed for being pressed against the outer peripheries of the pair of pressing out rollers including inner faces of the annular grooves at the opposite ends on the outer peripheries of the pair of pressing out rollers.
REFERENCES:
patent: 3957510 (1976-05-01), Hermanson
patent: 5713068 (1998-01-01), Teschendorf et al.
Moldafsky Greg
NEC Corporation
Royer William
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