US 7,596,348 B2
Image heating apparatus
Ikuo Nakamoto, Toride (Japan); Yasuhiro Hayashi, Moriya (Japan); Daigo Matsuura, Toride (Japan); Kazuhiro Hasegawa, Toride (Japan); and Shigeaki Takada, Kashiwa (Japan)
Assigned to Canon Kabushiki Kaisha, Tokyo (Japan)
Filed on Feb. 26, 2007, as Appl. No. 11/678,680.
Application 11/678680 is a division of application No. 11/452204, filed on Jun. 14, 2006, granted, now 7,200,354.
Claims priority of application No. 2005/180540 (JP), filed on Jun. 21, 2005.
Prior Publication US 2007/0140760 A1, Jun. 21, 2007
This patent is subject to a terminal disclaimer.
Int. Cl. G03G 15/20 (2006.01)
U.S. Cl. 399—329  [399/330; 399/331; 399/333; 219/216] 7 Claims
OG exemplary drawing
 
1. An image heating apparatus comprising:
first and second belts forming a nip for heating a toner image on a recording material, wherein said second belt is rotatable by a driving force received from said first belt;
a first roller for pressing said first belt to said second belt in said nip, wherein said first roller is effective to rotate said first belt;
a first pad for pressing said first belt to said second belt in said nip;
a second roller for pressing said second belt to said first roller in said nip, wherein said second roller has a coefficient of friction that is smaller than a coefficient of friction of said first roller; and
a second pad for pressing said second belt to said first pad in said nip, wherein said second pad is disposed closer to a region where said first belt and second belt are pressed by said first roller and said second roller than said first pad.