Toner cartridge hopper with labyrinth channels for releasing air while trapping toner in cartridge
A vent integral with the top surface of toner hopper ( 5 ) having three labyrinth channels ( 3 a -3 c) oriented in one direction and three labyrinth channels ( 3 d -3 f) oriented in an orthogonal direction. Each labyrinth communicates with the inside of the hopper by a hole ( 13 a -13 f) and the end...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A vent integral with the top surface of toner hopper ( 5 ) having three labyrinth channels ( 3 a -3 c) oriented in one direction and three labyrinth channels ( 3 d -3 f) oriented in an orthogonal direction. Each labyrinth communicates with the inside of the hopper by a hole ( 13 a -13 f) and the end of each labyrinth communicates with filter pad ( 7 ) held in a basin ( 11 ) formed in the top surface of hopper ( 5 ). Cover ( 9 ) closes the vent except for hole ( 15 ) over the center of pad ( 7 ). |
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