US 12,329,281 B2
Multifunctional collapsible platform
Marshall Q. Siao, Xincheng Township (TW)
Assigned to Jing Si Pureland Co., Ltd., Taipei (TW)
Filed by Jing Si Pureland Co., Ltd., Taipei (TW)
Filed on Feb. 8, 2022, as Appl. No. 17/666,853.
Claims priority of application No. 110105145 (TW), filed on Feb. 9, 2021.
Prior Publication US 2022/0273109 A1, Sep. 1, 2022
Int. Cl. A47C 19/12 (2006.01); A47C 19/02 (2006.01)
CPC A47C 19/122 (2013.01) [A47C 19/025 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A collapsible bed frame, comprising two side bed frames and a plurality of transverse boards spaced between the two side bed frames, each side bed frame comprising a plurality of collapsible units,
the collapsible units being hinged to the transverse boards through first hinge elements, and a second hinge element being disposed in a middle portion of each collapsible unit, so that the collapsible bed frame is transformable between an expanded state and a collapsed state, each collapsible unit comprising a first side plate and a second side plate, a front surface of the first side plate or the second side plate comprising at least a first region and a second region, and the first region protruding outward relative to the second region,
wherein the first region includes a plurality of hollow protrusions, and the hollow protrusions include a pair of edge protrusions positioned adjacent to two edges of the first side plate or the second side plate and middle protrusions located between the edge protrusions, the edge protrusions and the middle protrusions are substantially elongated and orthogonal to each other.