Patent ID: 9086661
Filing Date: 2015-07-21
Classification: G03G

Abstract:
1. A cleaning device comprising: a first cleaning roller that contacts a member to be cleaned and that rotates, separates any matter to be removed that is stuck on the member to be cleaned from the member to be cleaned, and causes the matter to be removed to adhere to the first cleaning roller, the member to be cleaned rotating or circulating; a second cleaning roller that contacts the first cleaning roller at a position where the first cleaning roller is interposed between the second cleaning roller and the member to be cleaned, separates the matter to be removed that is stuck on the first cleaning roller from the first cleaning roller, and causes the matter to be removed to adhere to the second cleaning roller; a first push member that applies a first force to the first cleaning roller and pushes the first cleaning roller against the member to be cleaned; a second push member that, by applying a second force to the second cleaning roller, pushes the second cleaning roller against the first cleaning roller, and, in cooperation with the first push member, pushes the first cleaning roller against the member to be cleaned; a first supporting member that supports a rotation axis of the first cleaning roller; and a second supporting member that supports a rotation axis of the second cleaning roller and is supported by the first supporting member, wherein the first force is different in magnitude compared to the second force, and wherein a diameter of the first cleaning roller decreases continuously from a center of the first cleaning roller to both ends of the first cleaning roller along the rotation axis of the first cleaning roller.