US 11,921,448 B2
Fixing device and image forming apparatus incorporating same
Shigeo Nanno, Kanagawa (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Filed by Shigeo Nanno, Kanagawa (JP)
Filed on Nov. 16, 2022, as Appl. No. 17/987,878.
Claims priority of application No. 2022-007851 (JP), filed on Jan. 21, 2022.
Prior Publication US 2023/0236532 A1, Jul. 27, 2023
Int. Cl. G03G 15/20 (2006.01)
CPC G03G 15/2053 (2013.01) [G03G 15/2017 (2013.01); G03G 15/2042 (2013.01); G03G 2215/2022 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A fixing device comprising:
a rotator;
a pressing member configured to press the rotator to form a nip between the rotator and the pressing member;
a conductor including conductive polyimide, grounded, and including a contact portion of a limiting shape to limit a contact area in which the contact portion is in contact with an inner circumferential surface of the rotator; and
a heater having a planar shape, facing the nip, and being in contact with the inner circumferential surface of the rotator to heat the rotator.