Patent ID: 9104136
Filing Date: 2015-08-11
Classification: G03G

Abstract:
1. A developer conveyance device comprising: a housing; and a conveyance member supported by the housing and configured to rotate so as to convey developer, wherein the conveyance member includes: the plurality of reinforcement members are disposed in a circumferential direction of rotation of the conveyance member, when viewing a cross section in a direction intersecting with the rotational axis, an outer circumferential surface of the helical member includes a facing region and a non-facing region, which are defined for one reinforcement member of the plurality of reinforcement members, the facing region being a region where the one reinforcement member of the plurality of reinforcement members is projected on an opposite side of an outer circumferential surface of the helical member through the rotational axis, and the non-facing region being a region of the outer circumferential surface of the helical member which is different from the facing region, the other reinforcement member of the plurality of reinforcement members is disposed in the non-facing region, and the plurality of reinforcement members support an inner peripheral part of the helical member.