Patent ID: 7809304

Claim:
A duct for an image forming apparatus for forming an image on a recording material, said duct comprising: a discharge opening for discharging air; a fan, mounted to a neighborhood of said discharge opening, for discharging the air; first and second openings for suction of air; a first guiding portion, having first and second openings, for guiding the sucked air; a separation member, provided in said first guiding portion, for separating a flow of the air sucked by said first opening and a flow of the air sucked by said second opening; a second guiding member, disposed overlapped with said first guiding portion, for guiding the air guided by said first guiding portion; a first interconnection opening for feeding the air from said first opening to said second guiding portion; a second interconnection opening for feeding the air from said second opening to said second guiding portion, wherein said first interconnection opening is disposed closer to said discharge opening than said second interconnection opening, and wherein said first interconnection opening has a size smaller than said second interconnection opening.