Toner supply apparatus in image forming system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 2001
Grant Date -
N/A
app pub date -
Feb 18, 2000
filing date -
Feb 18, 2000
priority date (Note) -
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Abstract
A toner supply device includes a toner cartridge. The toner cartridge includes a cylindrical container having a spiral protruding portion therein, and a cap having a toner discharging hole. The toner supply device also includes a drive unit for supplying a toner from the toner discharging hole while gripping and rotating the cap of the toner cartridge. A positioning portion is formed on the outer peripheral surface of the base end side of the cylindrical container, and a recessed portion engaging the positioning portion is formed in an inlet holder. The drive unit includes a holder and a holder cover, which are disassembled vertically, a cup-shaped holder guide, rotatably provided in the holder and holder cover, for gripping the cap at a position, at which the holder guide is communicated with the toner discharging hole, a motor for applying torque to the holder guide, and a drive gear for transmitting torque of the motor to the holder guide.
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