Patent ID: 8478146
Filing Date: 2013-07-02
Classification: G03G

Abstract:
1. A developing apparatus comprising: a developer container for accommodating a developer; a rotatable developer carrying member, provided in an opening in said developer container, for feeding the developer to a position opposing an image bearing member to develop a latent image formed on the image bearing member; a first chamber, provided in said developer container, for supplying the developer to said developer carrying member; a second chamber, provided adjacent to said first chamber in said developer container; a first feeding member, provided in said first chamber, for feeding the developer in said first chamber; a second feeding member, provided in said second chamber, for feeding the developer in a direction opposite to a feeding direction of said first feeding member; a partition member provided between said first chamber and said second chamber; a partition opening provided in each of opposite ends of said partition member to form a circulation path between said first chamber and said second chamber; and a sensor, provided between said first feeding member and said second feeding member at a position facing one of said partition openings, for detecting information relating to temperature or moisture of the developer in said developer container.