CPC G03G 15/2053 (2013.01) [G03G 15/2032 (2013.01); G03G 2215/2038 (2013.01)] | 27 Claims |
1. An image heating apparatus comprising:
a first rotary member that heats a recording material;
a second rotary member that contacts the first rotary member and forms a nip portion together with the first rotary member, the nip portion being configured to nip and convey a recording material to fix a toner image on the recording material;
a pair of side plates configured to support the second rotary member; and
a changing mechanism configured to change a pressing force applied at the nip portion by changing a position of the second rotary member with respect to the first rotary member,
wherein the changing mechanism comprises:
a motor;
a worm that is driven by the motor and rotates;
a worm wheel that is meshed with the worm and to which a driving force from the worm is transmitted;
a cam to which the rotation of the worm wheel is transmitted so that the cam rotates;
a pair of bearings that rotatably support the worm; and
a displacement mechanism that is abutted against the cam and that is configured to displace the second rotary member with respect to the first rotary member along with a rotation of the cam,
wherein one of the side plates includes the pair of bearings.
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