Patent ID: 8774683
Filing Date: 2014-07-08
Classification: G03G

Abstract:
1. A development device for developing a latent image formed on a latent image bearer, the development device comprising: a housing for containing developer; a developer bearer to carry by rotation the developer contained in the housing to a development range position facing the latent image bearer; and a first developer conveyance device to transport the developer inside the housing, the first developer conveyance device including: a rotary shaft; a conveyance blade extending along the rotary shaft and projecting obliquely from the rotary shaft to transport developer as the rotary shaft rotates; and a flexible agitation blade provided to and extending along a length of at least a portion of the rotary shaft, wherein the flexible agitation blade and the conveyance blade overlap along the portion of the rotary shaft such that both of the flexible agitation blade and the conveyance blade are provided along the portion of the rotary shaft in an axial direction of the rotary shaft, and wherein the flexible agitation blade extends beyond an outer edge of the conveyance blade in a direction of a diameter of the rotary shaft.