Electrophotography – Image formation – Photoconductive member
Patent
1996-08-09
1998-12-08
Braun, Fred L.
Electrophotography
Image formation
Photoconductive member
399222, G03G 1500, G03G 2100
Patent
active
058483330
ABSTRACT:
A driving system for use in an apparatus utilizing electrophotographic development, such as a copier, wherein a main motor is provided to drive respective power transmission gears. The driving system includes a two-stepped driving system unit to lessen the live load when the system is initially powered to reduce wear of the gears, blur or spread of a printed image. A main motor of relatively lower capacity is able to be incorporated in the system, thereby enhancing product performance and reducing overheads. When the system is initially powered, a sensitization body, a pickup roller, a fixing and a feed are driven by power transmitted from a main motor. Then, after the torque load of the rotating parts is stabilized, the remaining parts of the apparatus (e.g., a developing part and a register roller) are driven. In an alternative embodiment, a pickup roller, a fixing roller and a feed roller are initially driven, and thereafter, following the stabilization of torque, a sensitization body, a developing part and a register roller are driven. A clutch is employed to interrupt power transmission.
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patent: 4522483 (1985-06-01), Matsumoto et al.
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patent: 5459553 (1995-10-01), Kim
Braun Fred L.
Samsung Electronics Co,. Ltd.
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