US 12,324,524 B2
Air mattress
Guangyang Xie, Foshan (CN); Yongshan Liu, Foshan (CN); Guoming Zhang, Foshan (CN); Jinjian Tan, Foshan (CN); and Zuoyou Xie, Foshan (CN)
Assigned to Foshan Tiansheng Leisure and Sports Goods Co. Ltd., Foshan (CN)
Filed by Foshan Tiansheng Leisure and Sports Goods Co. Ltd., Foshan (CN)
Filed on Jul. 24, 2023, as Appl. No. 18/357,178.
Claims priority of application No. 202223117691.2 (CN), filed on Nov. 23, 2022.
Prior Publication US 2024/0164537 A1, May 23, 2024
Int. Cl. A47C 27/08 (2006.01); A47C 27/00 (2006.01)
CPC A47C 27/081 (2013.01) [A47C 27/087 (2013.01); A47C 27/08 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An air mattress, comprising a top sheet, a bottom sheet, an annular outer side wall, an annular inner side wall, a plurality of inner pull straps, and a plurality of outer pull straps, wherein an upper edge and a lower edge of the annular outer side wall are connected to outer edges of the top sheet and the bottom sheet respectively to form an inflatable chamber of the air mattress, the annular inner side wall is connected to a bottom surface of the top sheet and a top surface of the bottom sheet, the annular inner side wall is arranged on an inner side of the annular outer side wall, the annular inner side wall divides the inflatable chamber into an inner inflatable chamber and an outer inflatable chamber, and the inner inflatable chamber communicates with the outer inflatable chamber; and
the plurality of inner pull straps are arranged in the inner inflatable chamber, two ends of each inner pull strap are connected to a bottom surface of the top sheet and the top surface of the bottom sheet respectively, the plurality of outer pull straps are spaced in the outer inflatable chamber, the outer pull straps are tubular pull straps, and pipe walls at two opposite ends of each tubular pull strap are connected to the annular inner side wall and the annular outer side wall by annular weld seams, respectively.