# US 9,038,221 B2 · Cellular cushions including support material and methods of fabricating same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,038,221 B2 - Document ID: US9038221B2 - Status: Granted - Kind: B2 - Application number: 13/770,044 - Filed: 2013-02-19 - Published: 2014-08-21 - Granted: 2015-05-26 - Earliest claimed: 2013-02-19 - Assignees: Star Cushion Products, Inc. - Applicants: Star Cushion Products, Inc. - Inventors: Janice Geraldine Fraser - Web page: https://patentgrep.com/patent/US9038221B2 ## CPC - A61G 5/1043: {Cushions specially adapted for wheelchairs} - A47C 7/18: having foamed material included in cushioning part - A47C 27/18: in combination with inflatable bodies - A61G 5/1045: {for the seat portion} - A61G 7/05769: {with inflatable chambers} - Y10T 29/481: Method - Y10T 156/10: Methods of surface bonding and/or assembly therefor - A61G: TRANSPORT, PERSONAL CONVEYANCES OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H3/00); OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES (embalming corpses A01N1/00) - A47C: CHAIRS; SOFAS; BEDS - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A cellular cushion includes a base, a plurality of hollow cells, and support material. The base includes at least a first layer and a second layer. The plurality of hollow cells are coupled to, and extend outward from, only one of the first layer and the second layer. Each of the plurality of cells extends from a root defined at only one of the first layer and the second layer outwardly to an outer end. The plurality of cells are coupled together in flow communication via a plurality of channels extending between the cells. The support material is inserted within at least one of the hollow cells. The second layer coupled to the first layer such that the support material is between an inner surface of said at least one of the hollow cells and the second layer. ## Claims ### Claim 1 A cellular cushion comprising: a base comprising at least a first layer and a second layer; a plurality of hollow cells coupled to, and extending outward from, only one of said first layer and said second layer, each of said plurality of cells extends from a root defined at only one of said first layer and said second layer outwardly to an outer end, said plurality of cells coupled together in flow communication via a plurality of channels extending between said cells; and support material inserted within at least one of said hollow cells, said second layer coupled to said first layer such that said support material is between an inner surface of said at least one of said hollow cells and said second layer, wherein a cross-sectional shape of said support material is different from a cross-sectional shape of said at least one hollow cell, such that a contour of a supporting surface of said at least one hollow cell changes from being defined by said cross-section of said at least one hollow cell to being defined by said cross-section of said support material as an immersion depth of a user is increased. ### Claim 2 (depends on 1) A cellular cushion in accordance with claim 1 wherein said plurality of hollow cells are oriented in rows, said plurality of channels extend between pairs of said hollow cells in adjacent rows, said second layer is sealingly coupled to said first layer. ### Claim 3 (depends on 2) A cellular cushion in accordance with claim 2 wherein said plurality of channels are coupled to at least one of said first layer and said second layer, said plurality of channels are coupled to said base by at least one of a lamination process, a silk screening process, an adhesive process, a liquid gasket process, a spray process, and a printing process. ### Claim 4 (depends on 1) A cellular cushion in accordance with claim 1 wherein said support material is configured to facilitate providing support to a seated user. ### Claim 5 (depends on 1) A cellular cushion in accordance with claim 1 wherein said support material comprises at least one of a gel, a foam material, a fluid, and a flexible material. ### Claim 6 (depends on 1) A cellular cushion in accordance with claim 1 wherein said support material is not coupled to at least one of said first layer and said second layer. ### Claim 7 (depends on 1) A cellular cushion in accordance with claim 1 wherein said support material is configured to move independently of said first and second layers. ### Claim 8 (depends on 1) A cellular cushion in accordance with claim 1 wherein said support material has a cross-sectional shape that is different than a cross-sectional shape of each of said plurality of cells. ### Claim 9 (depends on 1) A cellular cushion in accordance with claim 1 wherein said support material comprises at least a first support material and a second support material, said first support material is inserted in a first of said plurality of cells, said second support material is inserted in a second of said plurality of cells. ### Claim 10 (depends on 9) A cellular cushion in accordance with claim 9 wherein said first support material is different than said second support material. ### Claim 11 (depends on 9) A cellular cushion in accordance with claim 9 wherein said support material comprises at least a first support material and a second support material that are each inserted in at least one of said plurality of cells. ### Claim 12 (depends on 1) A cellular cushion in accordance with claim 1 wherein said support material facilitates preventing a user from bottoming out on said cushion. ### Claim 13 (depends on 1) A cellular cushion in accordance with claim 1 wherein said support material facilitates at least one of controlling an immersion depth of a seated user and controlling a posture of the seated user. ### Claim 14 (depends on 1) A cellular cushion in accordance with claim 1 wherein said outer ends of said plurality of cells define a seat surface of said cushion, said support material is configured to change a contour of said seat surface when a pressure of said plurality of cells is adjusted from a first pressure to a second pressure. ### Claim 15 A cellular cushion comprising: a base comprising at least a first layer and a second layer; a plurality of hollow cells coupled to, and extending outward from, only one of said first layer and said second layer, each of said plurality of cells extends from a root defined at only one of said first layer and said second layer outwardly to an outer end, said plurality of cells coupled together in flow communication via a plurality of channels extending between said cells; and support material inserted within a specified orientation of fewer than all of said hollow cells, wherein the support material comprises at least one of a gel, a foam material, and a flexible material, said remaining cells being void of any support material, said second layer coupled to said first layer such that said support material is between an inner surface of said fewer than all hollow cells and said second layer. ### Claim 16 (depends on 15) A cellular cushion in accordance with claim 15 wherein said specified orientation is selected to increase at least one of a stability and a support of a user.