# US 11,999,489 B2 · Aircraft passenger seat, and seat row > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,999,489 B2 - Document ID: US11999489B2 - Status: Granted - Kind: B2 - Application number: 17/818,737 - Filed: 2022-08-10 - Published: 2022-12-01 - Granted: 2024-06-04 - Earliest claimed: 2020-03-05 - Assignees: Zim Aircraft Seating GmbH - Applicants: Zim Aircraft Seating GmbH - Inventors: Peter Zimmermann - Web page: https://patentgrep.com/patent/US11999489B2 ## CPC - B64D 11/0648: {Lower frame constructions} - B64D 11/0606: {with privacy shells, screens, separators or the like (class dividers B64D11/0023)} - B64D 11/0696: {Means for fastening seats to floors, e.g. to floor rails} - B64D 11/0649: {Seats characterised by special features for reducing weight} - Y02T 50/40: Weight reduction - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract An aircraft passenger seat including a support framework designed to be fastened to a floor in an aircraft passenger cabin. The support framework has a seat divider and cross rails running transversely to the seating direction, and the support framework is held by the cross rails, a housing including a structural component, and the housing at least partly surrounds a backrest. The structural component is provided on the seat divider, and includes a compound sheet component having one or more cover sheets, with a connecting structure provided between a plurality of cover sheets, more particularly between two cover sheets. The connecting structure creates gaps between the cover plates, and the volume of the gaps makes up at least 50% of the volume between the cover sheets of the compound sheet component. ## Claims ### Claim 1 An aircraft passenger seat comprising: a support framework, the support framework being designed to be fastened to a floor in an aircraft passenger cabin, wherein the support framework has a seat divider and cross rails running transversely to a seating direction, wherein the seat divider is held by the cross rails, wherein a housing comprises a structural component, wherein the housing surrounds a backrest, and the backrest is adjustable relative to the housing, wherein the structural component is arranged on the seat divider, wherein the structural component comprises a composite plate component, wherein the composite plate component has two or more cover plates, wherein a connecting structure is provided between the two or more cover plates, wherein gaps are produced between the two or more cover plates by the connecting structure, wherein the volume of the gaps makes up at least 50% of the volume between the two or more cover plates of the composite plate component, and wherein the housing is positionally fixed and immovable during adjustment of the backrest; wherein the backrest is arranged in a shell shape of the housing; and wherein the structural component of the housing extends to the full height of the backrest. ### Claim 2 (depends on 1) The aircraft passenger seat according to claim 1, wherein the connecting structure extends in a cross section of the composite plate component alternating between the cover plates, wherein the alternating connecting structure is in contact with the cover plates. ### Claim 3 (depends on 2) The aircraft passenger seat according to claim 2, wherein the alternating connecting structure has maximum points, wherein the alternating connecting structure is connected to the cover plates at some of the maximum points. ### Claim 4 (depends on 3) The aircraft passenger seat according to claim 3, wherein the maximum points run along a line. ### Claim 5 (depends on 4) The aircraft passenger seat according to claim 4, wherein the maximum points run along a strip with a contact surface. ### Claim 6 (depends on 5) The aircraft passenger seat according to claim 5 including two or more lines and/or two or more strips, wherein the lines and/or the strips within the composite plate component are oriented approximately parallel to one another. ### Claim 7 (depends on 5) The aircraft passenger seat according to claim 5, including two or more lines and/or two or more strips, wherein the structural component has a long side with a long edge and a comparatively shorter side with a shorter edge, and the lines and/or the strips of the maximum points of the connecting structure in the composite plate component are oriented parallel to the long edge of the structural component. ### Claim 8 (depends on 1) The aircraft passenger seat according to claim 1, wherein the connecting structure is configured to be wave-shaped in cross section. ### Claim 9 (depends on 1) The aircraft passenger seat according to claim 1, wherein the composite plate component comprises a portion made of a metal. ### Claim 10 (depends on 1) A seat row comprising at least two aircraft passenger seats according to claim 1. ### Claim 11 (depends on 1) The aircraft passenger seat according to claim 1, wherein the structural component and the seat divider are rigidly connected together in an immovable and fixed manner.