US 11,143,991 B2 · Image forming apparatus including a cooler and a heater

Abstract

An image forming apparatus includes a cooler and a heater, which includes a heat generation part including resistive heat generators, a first electrode, a second electrode, a first conductor, a second conductor, and a branch channel. The first conductor connects the resistive heat generators and the first electrode. The second conductor extends from the resistive heat generators to a side in a first longitudinal direction of the heater to be connected to the second electrode. The branch channel branches from the second conductor and extends to a side in a second longitudinal direction opposite the first longitudinal direction to be connected to either the second conductor or the second electrode without passing through the first conductor. A cooling ability of the cooler to an end side of the heater in the second longitudinal direction is greater than that to an end side of the heater in the first longitudinal direction.

Claims20

Dependent claims

An image forming apparatus comprising:

a cooler;
and
a heater including:
a heat generation part including a plurality of resistive heat generators;
a first electrode;
a second electrode;
a first conductor configured to connect the plurality of resistive heat generators and the first electrode;
a second conductor configured to extend from the plurality of resistive heat generators to a side of the heater in a first longitudinal direction of the heater to be connected to the second electrode;
and
a branch channel conductor configured to branch from a first portion of the second conductor and extend to a side of the heater in a second longitudinal direction opposite the first longitudinal direction and further extending to the side of the heater in the first longitudinal direction to be connected to a second portion of the second conductor without passing through the first conductor,
a cooling ability of the cooler to an end side of the heater in the second longitudinal direction being greater than the cooling ability to an end side of the heater in the first longitudinal direction.

8 more elements

Dependencies are inferred from the claim text.

Image forming apparatus including a cooler and a heater

Life of this patent

Image forming apparatus including a cooler and a heater

Life of this patent

Abstract

Claims20