US 11,896,128 B2
Sofa bed
Luhao Leng, Fujian (CN)
Assigned to NEW-TEC INTEGRATION (XIAMEN) CO., LTD., Xiamen (CN)
Filed by NEW-TEC INTEGRATION (XIAMEN) CO., LTD., Fujian (CN)
Filed on Jan. 13, 2022, as Appl. No. 17/575,539.
Claims priority of application No. 202110062622.7 (CN), filed on Jan. 18, 2021.
Prior Publication US 2022/0225780 A1, Jul. 21, 2022
Int. Cl. A47C 17/16 (2006.01); A47C 27/06 (2006.01); A47C 7/34 (2006.01); A47C 27/07 (2006.01); A47C 23/00 (2006.01); A47C 27/00 (2006.01); A47C 27/04 (2006.01)
CPC A47C 17/162 (2013.01) [A47C 7/347 (2013.01); A47C 23/002 (2013.01); A47C 27/065 (2013.01); A47C 27/07 (2013.01); A47C 7/34 (2013.01); A47C 27/00 (2013.01); A47C 27/04 (2013.01); A47C 27/06 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A sofa bed, comprising:
a plurality of elastic modules, each comprising a conical spring and a spring bracket configured to receive the conical spring;
a body frame comprising a plurality of longitudinal supporting members arranged to intersect perpendicularly a plurality of transverse supporting members;
armrest frames at opposite sides of the body frame;
each supporting member having a slide rail configured to engage with a bottom portion of a corresponding spring bracket with the plurality of elastic modules arranged to slide on the slide rails;
each longitudinal supporting member having a longitudinal slide rail;
each transverse supporting member having a transverse slide rail;
the longitudinal slide rails intersecting the transverse slide rails to allow the elastic modules to be moved longitudinally and transversely on the body frame;
the elastic modules mountable onto the body frame via an open end of one or more of the longitudinal or transverse slide rails.