Patent ID: 9229373
Filing Date: 2016-01-05
CPC Classification: G03G

Claim Text:
1. A developing device comprising: a developer container divided into a developer supply passage, a first transport chamber, and a second transport chamber arranged substantially parallel to one another, the developer container storing developer containing toner; a first stirring/transporting member arranged in the first transport chamber, the first stirring/transporting member stirring and transporting the developer; a second stirring/transporting member arranged in the second transport chamber, the second stirring/transporting member stirring and transporting the developer in a direction opposite to a direction in which the first stirring/transporting member stirs and transports the developer; a developer feeding member arranged in the developer supply passage, the developer feeding member stirring and transporting the developer parallel to the first stirring/transporting member and feeding the developer to the first transport chamber, wherein the developer feeding member has: the first and second transport blades are, in parts thereof facing the supply port, arranged in line symmetry about, as an axis of symmetry, a center of the feeding port, and the paddle extends from the blocking portion both in the first and second directions, and is formed so as to extend to parts of the rotary shaft facing end parts of the feeding port in the first and second directions respectively.