# US 11,307,519 B2 · Recording material cooling device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,307,519 B2 - Document ID: US11307519B2 - Status: Granted - Kind: B2 - Application number: 17/160,071 - Filed: 2021-01-27 - Published: 2021-08-05 - Granted: 2022-04-19 - Earliest claimed: 2020-01-30 - Assignees: Canon Kabushiki Kaisha - Applicants: Canon Kabushiki Kaisha - Inventors: Kenichi Tanaka; Keita Kondo; Yuki Inoue; Shingo Katano - Web page: https://patentgrep.com/patent/US11307519B2 ## CPC - G03G 15/2021: {Plurality of separate fixing and/or cooling areas or units, two step fixing} - G03G 15/2017: {Structural details of the fixing unit in general, e.g. cooling means, heat shielding means (G03G15/2053 takes precedence)} - G03G 15/6573: {Feeding path after the fixing point and up to the discharge tray or the finisher, e.g. special treatment of copy material to compensate for effects from the fixing} - G03G 21/206: {Conducting air through the machine, e.g. for cooling, filtering, removing gases like ozone} - G06F 3/04815: Interaction with a metaphor-based environment or interaction object displayed as three-dimensional [3D], e.g. changing the user viewpoint with respect to the environment or object - G06T 1/0007: {Image acquisition} - G06T 15/205: {Image-based rendering} - H04N 7/181: {for receiving images from a plurality of remote sources} - H04N 13/117: the virtual viewpoint locations being selected by the viewers or determined by viewer tracking - H04N 13/189: Recording image signals; Reproducing recorded image signals - H04N 13/243: using three or more two-dimensional [2D] image sensors - H04N 23/90: Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums - G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A recording material cooling device includes a belt, a plurality of rollers, a belt cooling member, a recording material feeding member, a deposited matter removing member, a deposited matter receiving container, a roller holding member, and a supporting member for supporting the roller holding member so as to be swingable between a first position where the belt and the recording material feeding member contact each other and a second position where the belt is spaced from the recording material feeding member. The supporting member supports the roller holding member so that a swing center is positioned on one end side with respect to a rotational axis direction of the rollers. The receiving container includes a wall surface portion for preventing overflow of the deposited matter received through an opening of the receiving container when the roller holding member is positioned in the second position. ## Claims ### Claim 1 A recording material cooling device for cooling a recording material passed through a fixing device for fixing a toner image on the recording material by heating, said recording material cooling device comprising: a belt: a plurality of rollers configured to stretch said belt; a cooling member configured to cool said belt in contact with an inner peripheral surface of said belt; a feeding member contacting an outer peripheral surface of said belt and configured to form a nip, in which the recording material is nipped and fed, in cooperation with said belt; a removing member configured to remove a deposited matter deposited on the inner peripheral surface of said belt; a receiving container provided with an opening configured to receive the deposited matter removed by said removing member; a holding member configured to hold said rollers, said cooling member and said receiving container; and a supporting member configured to swingably support said holding member so that said holding member is swingable between a first position where said belt and said feeding member contact each other and a second position where said belt is spaced from said feeding member, wherein said supporting member supports said holding member so that a swing center is positioned on one end side with respect to a rotational axis direction of said rollers, wherein said receiving container swings with swinging of said holding member from the first position to the second position, and includes a wall surface portion provided on one end side with respect to the rotational axis direction of said rollers, said wall surface portion being configured to prevent overflow of the deposited matter received through said opening with the swinging of said receiving container, and wherein a part of said wall surface portion positioned on a side upstream of a contact portion of said removing member, contacting said belt, with respect to a movement direction of said belt is provided obliquely so as to overlap with a part of a contact region of said removing member. ### Claim 2 (depends on 1) A recording material cooling device according to claim 1, wherein at least a part of said wall surface portion positioned on a side downstream of a contact portion of said removing member, contacting said belt, with respect to a movement direction of said belt is provided so as to be positioned on one end side of said belt with respect to the rotational axis direction. ### Claim 3 (depends on 1) A recording material cooling device according to claim 1, wherein a part of said wall surface portion positioned on a side upstream of a contact portion of said removing member, contacting said belt, with respect to a movement direction of said belt is provided so as to be positioned on one end side of said belt with respect to the rotational axis direction. ### Claim 4 (depends on 1) A recording material cooling device according to claim 1, wherein said receiving container includes the other end side wall surface portion positioned on the other end side of said belt with respect to the rotational axis direction, and wherein said other end side wall surface portion includes at least a part thereof positioned on a side downstream of a contact portion of said removing member, contacting said belt, with respect to a movement direction of said belt is provided so as to be positioned on said other end side of said belt with respect to the rotational axis direction. ### Claim 5 (depends on 1) A recording material cooling device according to claim 1, wherein said removing member is held by said receiving container. ### Claim 6 (depends on 1) A recording material cooling device according to claim 1, wherein said cooling member is a heat dissipation plate configured to dissipate heat in contact with said belt. ### Claim 7 (depends on 1) A recording material cooling device according to claim 1, wherein said feeding member is a belt shaped member. ### Claim 8 (depends on 1) A recording material cooling device according to claim 1, wherein the first position is a position where the nip in which the recording material is fed by said belt and said feeding member, and wherein the second position is a position where the nip between said belt and said feeding member is released. ### Claim 9 (depends on 1) A recording material cooling device according to claim 1, wherein one end side of said recording material cooling device with respect to the rotational axis direction is a rear side of said recording material cooling device, and wherein the other end side of said recording material cooling device with respect to the rotational axis direction is a front side of said recording material cooling device. ### Claim 10 (depends on 1) An image forming apparatus comprising: an image forming unit configured to form a toner image on a recording material; a fixing device configured to fix the toner image, formed by said image forming unit, by heating; and a recording material cooling device according to claim 1, which is provided on a side downstream of said fixing device with respect to a recording material feeding direction and which is configured to cool the recording material passed through said fixing device. ### Claim 11 A recording material cooling device for cooling a recording material passed through a fixing device for fixing a toner image on the recording material by heating, said recording material cooling device comprising: a belt; a plurality of rollers configured to stretch said belt; a cooling member configured to cool said belt in contact with an inner peripheral surface of said belt; a feeding member contacting an outer peripheral surface of said belt and configured to form a nip, in which the recording material is nipped and fed, in cooperation with said belt; a removing member configured to remove a deposited matter deposited on the inner peripheral surface of said belt; a receiving container provided with an opening configured to receive the deposited matter removed by said removing member; a holding member configured to hold said rollers, said cooling member and said receiving container; and a supporting member configured to swingably support said holding member so that said holding member is swingable between a first position where said belt and said feeding member contact each other and a second position where said belt is spaced from said feeding member, wherein said supporting member supports said holding member so that a swing center is positioned on one end side with respect to a rotational axis direction of said rollers, wherein said receiving container swings with swinging of said holding member from the first position to the second position, and includes a wall surface portion provided on one end side with respect to the rotational axis direction of said rollers, said wall surface portion being configured to prevent overflow of the deposited matter received through said opening with the swinging of said receiving container, wherein said receiving container includes the other end side wall surface portion positioned on the other end side of said belt with respect to the rotational axis direction, wherein said other end side wall surface portion includes at least a part thereof positioned on a side downstream of a contact portion of said removing member, contacting said belt, with respect to a movement direction of said belt is provided so as to be positioned on said other end side of said belt with respect to the rotational axis direction, and wherein said other end side wall surface portion is provided obliquely so as to overlap with a part of said contact region with respect to the rotational axis direction on a side upstream of said contact portion with respect to the movement direction. ### Claim 12 A recording material cooling device for cooling a recording material passed through a fixing device for fixing a toner image on the recording material by heating, said recording material cooling device comprising: a belt; a plurality of rollers configured to stretch said belt; a cooling member configured to cool said belt in contact with an inner peripheral surface of said belt; a feeding member contacting an outer peripheral surface of said belt and configured to form a nip, in which the recording material is nipped and fed, in cooperation with said belt; a removing member configured to remove a deposited matter deposited on the inner peripheral surface of said belt; a receiving container provided with an opening configured to receive the deposited matter removed by said removing member; a holding member configured to hold said rollers, said cooling member and said receiving container; and a supporting member configured to swingably support said holding member so that said holding member is swingable between a first position where said belt and said feeding member contact each other and a second position where said belt is spaced from said feeding member, wherein said supporting member supports said holding member so that a swing center is positioned on one end side with respect to a rotational axis direction of said rollers, wherein said receiving container swings with swinging of said holding member from the first position to the second position, and includes a wall surface portion provided on one end side with respect to the rotational axis direction of said rollers, said wall surface portion being configured to prevent overflow of the deposited matter received through said opening with the swinging of said receiving container, wherein said receiving container includes the other end side wall surface portion positioned on the other end side of said belt with respect to the rotational axis direction, wherein said other end side wall surface portion includes at least a part thereof positioned on a side downstream of a contact portion of said removing member, contacting said belt, with respect to a movement direction of said belt is provided so as to be positioned on said other end side of said belt with respect to the rotational axis direction, and wherein said other end side wall surface portion is provided obliquely so as to overlap with a part of said contact region with respect to the rotational axis direction on a side downstream of said contact portion with respect to the movement direction. ### Claim 13 A recording material cooling device for cooling a recording material passed through a fixing device for fixing a toner image on the recording material by heating, said recording material cooling device comprising: a belt; a plurality of rollers configured to stretch said belt; a cooling member configured to cool said belt in contact with an inner peripheral surface of said belt; a feeding member contacting an outer peripheral surface of said belt and configured to form a nip, in which the recording material is nipped and fed, in cooperation with said belt; a removing member configured to remove a deposited matter deposited on the inner peripheral surface of said belt; a receiving container provided with an opening configured to receive the deposited matter removed by said removing member; a holding member configured to hold said rollers, said cooling member and said receiving container; and a supporting member configured to swingably support said holding member so that said holding member is swingable between a first position where said belt and said feeding member contact each other and a second position where said belt is spaced from said feeding member, wherein said supporting member supports said holding member so that a swing center is positioned on one end side with respect to a rotational axis direction of said rollers, wherein said receiving container swings with swinging of said holding member from the first position to the second position, and includes a wall surface portion provided on one end side with respect to the rotational axis direction of said rollers, said wall surface portion being configured to prevent overflow of the deposited matter received through said opening with the swinging of said receiving container, and wherein said receiving container includes at least one partition wall portion partitioning an inside thereof into a plurality of accommodating chambers with respect to the rotational axis direction. ### Claim 14 (depends on 13) A recording material cooling device according to claim 13, wherein said receiving container is formed so as to be deeper on a downstream side than on an upstream side with respect to a movement direction of said belt, and wherein said partition wall portion has a height from a bottom of said receiving container such that the height is higher on the downstream side than on the upstream side with respect to the movement direction. ### Claim 15 (depends on 13) A recording material cooling device according to claim 13, wherein said partition wall portion is formed obliquely so that a downstream end side thereof is closer to the swing center than an upstream end side thereof.