Patent ID: 8095035
Filing Date: 2012-01-10
Classification: G03G

Abstract:
1. A developing device including a main body that is arranged between a pair of supporting members and includes a developing roller, wherein both end portions of the developing roller are supported by the supporting members, respectively, in a first direction in which the developing roller is movable toward and away from an image carrier, a groove is formed on each of the supporting members, either one of an end portion of the developing roller or a bearing that supports the end portion is inserted into the groove, a first space is provided between each of inner surfaces facing each other in a second direction intersecting the first direction of the groove that is formed on a first one of the supporting members and an outer surface of either one of at least one of the end portion of the developing roller or the bearing inserted into the groove that is formed on the first one of the supporting members, a second space is provided between each of inner surfaces facing each other in the second direction of the groove that is formed on a second one of the supporting members and an outer surface of either one of at least one of the end portion of the developing roller or the bearing inserted into the groove that is formed on the second one of the supporting members, and the first space is set to be smaller than the second space.