US 12,290,177 B2
Portable and adjustable bed having multiple bed sections with independent control
Wei Wang, Jiangsu (CN); Fahuan Zhang, Jiangsu (CN); Jian Xie, Jiangsu (CN); and Yifan Mao, Jiangsu (CN)
Assigned to NISCO CO., LTD, Jiangsu (CN)
Filed by Nisco Co., Ltd, Jiangsu (CN)
Filed on Feb. 28, 2023, as Appl. No. 18/115,186.
Application 18/115,186 is a continuation in part of application No. 17/963,256, filed on Oct. 11, 2022, granted, now 12,213,594.
Application 17/963,256 is a continuation in part of application No. 16/990,085, filed on Aug. 11, 2020, granted, now 11,602,228.
Application 18/115,186 is a continuation in part of application No. 16/990,085, filed on Aug. 11, 2020, granted, now 11,602,228.
Claims priority of provisional application 63/254,629, filed on Oct. 12, 2021.
Claims priority of provisional application 62/889,145, filed on Aug. 20, 2019.
Claims priority of application No. 202220476995.9 (CN), filed on Mar. 4, 2022.
Prior Publication US 2023/0200550 A1, Jun. 29, 2023
Int. Cl. A47C 21/00 (2006.01); A47C 19/02 (2006.01); A47C 20/04 (2006.01); A61H 15/00 (2006.01)
CPC A47C 20/041 (2013.01) [A47C 19/021 (2013.01); A61H 15/0078 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An adjustable bed, comprising:
a frame structure having a first frame, a second frame, and a pair of connection bars detachably connecting the first frame and the second frame to one another;
a plurality of platforms having two or more back platforms disposed on the first frame and two or more lower limb platforms disposed on the second frame;
an adjustable assembly comprising two or more back lifting assemblies coupled with the first frame and two or more leg lifting assemblies coupled with the second frame for individually adjusting each of the two or more back platforms and the two or more lower limb platforms in desired positions; and
a plurality of foot lifting support assemblies and a plurality of leg support bars, each leg support bar being pivotally connected to the second frame through one of the plurality of foot lifting support assemblies, wherein each foot lifting support assembly comprises a sliding bracket, a sliding bracket groove, and a stop pin, wherein the sliding bracket groove is rigidly connected to the second frame, the sliding bracket is received in the sliding bracket groove, each leg support bar has one end pivotally connected to the sliding bracket and another end pivotally connected to one of the two or more lower limb platforms, and the stop pin is coupled to the sliding bracket to operably restrict vertical movements of the sliding bracket.