Patent ID: 9158263
Filing Date: 2015-10-13
Classification: G03G

Abstract:
1. A cooling device used for an image forming apparatus, comprising: a conveying portion having a first belt and a second belt which are endless and face each other, and configured to convey a sheet while holding the sheet between the first belt and the second belt; a stretching roller provided inside the first belt and configured to drive the first belt; a cooling portion having a flow-passage forming portion for forming a flow passage through which a cooling medium flows and configured to cool the sheet through the first belt; a press roller provided inside the second belt and facing the flow-passage forming portion through the second belt and the first belt; and a contacting/separating portion configured to have the second belt contact with/separate from the cooling portion through the first belt by moving the press roller, wherein the stretching roller is arranged so that a tangent on a lower side among tangents of a sectional shape in a horizontal direction is located below a cooling surface contacting with the first belt of the cooling portion.