US 11,686,429 B2
Supporting assembly and frame having same
Kwan Jun Choi, Xiamen (CN)
Assigned to Inno-Sports Co., Ltd., Xiamen (CN)
Filed by Inno-Sports Co., Ltd., Xiamen (CN)
Filed on Jan. 6, 2021, as Appl. No. 17/142,668.
Claims priority of application No. 202020132814.1 (CN), filed on Jan. 20, 2020.
Prior Publication US 2021/0222823 A1, Jul. 22, 2021
Int. Cl. A47B 3/08 (2006.01); F16M 11/38 (2006.01); A47B 3/00 (2006.01)
CPC F16M 11/38 (2013.01) [A47B 3/002 (2013.01); A47B 3/08 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A foldable frame comprising:
first and second mounting assemblies pivotally connected with each other at proximal sides thereof;
first, second and third leg assemblies, wherein
the first leg assembly is pivotally connected with the first mounting assembly at a distal side of the first mounting assembly;
the second leg assembly is pivotally connected with the second mounting assembly at a distal side of the second mounting assembly; and
the third leg assembly is pivotally connected with the first and second mounting assemblies at the proximal sides of the first and second mounting assemblies; and
first, second and third supporting assemblies, wherein
the first supporting assembly is pivotally connected with the first leg assembly and first mounting assembly and configured to control rotation of the first leg assembly with respect to the first mounting assembly;
the second supporting assembly is pivotally connected with the second leg assembly and second mounting assembly and configured to control rotation of the second leg assembly with respect to the second mounting assembly; and
the third supporting assembly is connected with the third leg assembly and the first and second mounting assemblies, and configured to help support the first and second mounting assemblies when the frame is unfolded;
wherein:
a respective mounting assembly in the first and second mounting assemblies comprises first and second mounting members;
a corresponding supporting assembly in the first and second supporting assemblies comprises:
a first member pivotally connected with a corresponding leg assembly in the first and second leg assemblies;
a controller connected with the first member and selectively movable along the first member;
a second member having a first end portion pivotally connected with the controller and a second end portion pivotally connected with the first mounting member of the respective mounting assembly; and
a third member having a first end portion pivotally connected with the controller and a second end portion pivotally connected with the second mounting member of the respective mounting assembly.