Patent ID: 8744319
Filing Date: 2014-06-03
Classification: G03G

Abstract:
1. A developing device comprising: a developer tank for containing a two-component developer; a partition for dividing an internal space of the developer tank; a first developer conveyance path and a second developer conveyance path which are separated by the partition and arranged in parallel for conveying and circulating the two-component developer in pairs, a first conveyance member provided in the first developer conveyance path in a freely rotatable manner for conveying the two-component developer in one direction, the first conveyance member having: a second conveyance member provided in the second developer conveyance path in a freely rotatable manner for conveying the two-component developer in one direction, the second conveyance member having: a first communicating path for guiding the two-component developer in the first developer conveyance path to the second developer conveyance path; a second communicating path for guiding the two-component developer in the second developer conveyance path to the first developer conveyance path; a developing roller for bearing and supplying the two-component developer in the second developer conveyance path to a photoconductor drum; and a rotation axis bending prevention belt provided so as to be put around with tension applied the first rotation axis and the second rotation axis outside the developer tank.