Patent ID: 9239539
Filing Date: 2016-01-19
CPC Classification: G03G

Claim Text:
1. A developing device comprising: a developer carrying member for carrying a developer; and a layer thickness regulating member, integrally molded by a resin material, for regulating a layer thickness of the developer carried on said developer carrying member, wherein said layer thickness regulating member includes an opposing portion opposing a peripheral surface of said developer carrying member; a regulating portion, provided on said opposing portion so as to project toward said developer carrying member, for regulating the layer thickness of the developer carried on said developer carrying member; side wall portions which are provided on said opposing portion so as to project in a rear side opposite from a front side where said regulating portion is provided and which are provided at end portions thereof with respect to a rotational axis direction of said developer carrying member; and a plurality of rib portions, provided on said opposing portion so as to project in the rear side, each extending from said side wall portion in one end side to said side wall portion in the other end side with respect to the rotational axis direction of said developer carrying member, wherein a space is formed in the rear side by being defined by said side wall portions and said rib portions, and wherein no substantial rib portion dividing the space with respect to a longitudinal direction of said layer thickness regulating member is provided.