发明名称 Image forming apparatus
摘要 A heating device includes a fixing member; a pressure member that comes in pressure contact with a surface of the fixing member; and a cleaning web unit. The cleaning web unit includes a contact roller that contacts the pressure member via a web that is impregnated with a lubricant agent, a supplying roller that supplies a new web, a roll-up roller that rolls up and retrieves the web that has been used for wiping off adhering matter from the pressure member, and a lubricant agent absorption member that absorbs the lubricant agent by contacting the web at a web path extending from the supplying roller to the contact roller.
申请公布号 US9014607(B2) 申请公布日期 2015.04.21
申请号 US201113045727 申请日期 2011.03.11
申请人 Ricoh Company, Ltd. 发明人 Watanabe Masahiro
分类号 G03G15/20 主分类号 G03G15/20
代理机构 Oblon, McClelland, Maier & Neustadt, L.L.P. 代理人 Oblon, McClelland, Maier & Neustadt, L.L.P.
主权项 1. A heating device comprising: a fixing member; a pressure member that comes in pressure contact with a surface of the fixing member; and a cleaning web unit including a contact roller that contacts the pressure member via a web that is impregnated with a lubricant agent,a supplying roller that supplies a new web,a roll-up roller that rolls up and retrieves the web that has been used for wiping off adhering matter from the pressure member, anda lubricant agent absorption member that absorbs the lubricant agent by contacting the web at a web path extending from the supplying roller to the contact roller, wherein a top surface of the lubricant agent absorption member that faces the web is spaced apart from and does not contact the web when the web that is impregnated with the lubricant agent, is initially supplied from the supplying roller, wherein the top surface of the lubricant agent absorption member is no longer spaced apart from the web and is configured to contact the web at the web path when a consumption amount of the web reaches a predetermined amount, and wherein the lubricant agent absorption member is positioned to contact the web immediately before the web enters a cleaning nip part.
地址 Tokyo JP