JP2015087640A5 - - Google Patents

Claims (10)

Two surface moving bodies configured to endlessly move by forming a fixing nip portion for fixing an unfixed toner image on the recording medium onto the recording medium while conveying the recording medium;
Heating means for heating at least one of the two surface moving bodies;
Located on the downstream side in the recording medium conveyance direction with respect to the fixing nip portion, provided on at least one of the two surface moving bodies, and by bringing the tip portion into contact with or close to the surface of the surface moving body, In a fixing device comprising a plate-shaped separation member that separates the recording medium that has passed through the fixing nip from the surface moving body,
The separation member is provided with an opening penetrating a recording medium facing surface facing the recording medium to be conveyed and a surface moving body facing surface facing the surface moving body on the side opposite to the recording medium facing surface. And
A fixing device comprising: a first bent wall portion bent so as to rise from a side of the opening portion on the tip end side with respect to the surface facing the surface moving body. The fixing device according to claim 1.
The fixing device according to claim 1, wherein the separation member includes a positioning unit that contacts a surface of the surface moving body and positions the separation member with respect to the surface moving body. The fixing device according to claim 1 or 2,
A fixing device, wherein a fluororesin layer is formed on the surface of the separating member facing the recording medium. In the fixing device according to claim 2 , or a fixing device according to claim 3, which is an aspect quoting claim 2 .
A fixing device, wherein a fluororesin layer is formed on at least a surface of the positioning portion in contact with the surface of the surface moving body. The fixing device according to claim 1, 2, 3 or 4.
The fixing device according to claim 1, wherein the tip end portion of the separating member is thinner than other portions of the separating member. The fixing device according to claim 1, 2, 3, 4 or 5.
The separating member has a second bent wall portion that is bent so as to rise from the side facing the tip side of the opening in the recording medium conveyance direction with respect to the surface facing the surface moving body. Fixing device to do. The fixing device according to claim 1, 2, 3, 4, 5 or 6.
The fixing device, wherein the opening is divided into a plurality of sections in a recording medium width direction perpendicular to the recording medium conveyance direction of the separating member. The fixing device according to claim 1, 2, 3, 4, 5, 6 or 7.
A fixing device, wherein a guide member capable of guiding conveyance of a recording medium is provided separately from the separation member on the recording medium facing surface of the separation member. The fixing device according to claim 8.
The fixing device, wherein the guide member is made of a fluororesin. An image carrier;
Toner image forming means for forming a toner image on the image carrier;
Transfer means for transferring the toner image from the image carrier onto a recording medium;
An image forming apparatus comprising: a fixing unit that fixes the toner image transferred onto the recording medium to the recording medium;
An image forming apparatus using the fixing device according to claim 1, 2, 3, 4, 5, 6, 7, 8, or 9 as the fixing unit.