US 12,376,658 B2
Collapsible umbrella with quick connect rib sections
Shou Qiang Zhu, Central (HK)
Assigned to MAXTON ENGINEERING LTD., Central (HK)
Filed by MAXTON ENGINEERING LTD., Central (HK)
Filed on Sep. 30, 2022, as Appl. No. 17/957,857.
Claims priority of provisional application 63/251,418, filed on Oct. 1, 2021.
Prior Publication US 2023/0301406 A1, Sep. 28, 2023
Int. Cl. A45B 25/02 (2006.01); A45B 19/10 (2006.01)
CPC A45B 19/10 (2013.01) [A45B 25/02 (2013.01)] 18 Claims
OG exemplary drawing
 
17. An umbrella, comprising:
a support structure,
a frame structure supported by the support structure, comprising:
a support hub assembly;
a plurality of long ribs, each comprising a first rib section and a second rib section releasably connected by a pivot rib coupler, wherein each long rib has an end releasably or fixedly coupled to an upper end of the support hub assembly;
a plurality of short rib sections in the form of a plurality of third rib sections, each comprising a first end releasable coupled to the pivot rib coupler and a second end releasably or fixedly coupled to a lower end of the support hub assembly,
wherein each pivot rib coupler is configured to pivot the third rib section relative to the first and second rib sections that are releasably coupled to the pivot rib coupler,
wherein at least a portion at respective ends of the various rib sections is provided with a cross-sectional shape that is non-symmetrical about at least one axis in a sectional plane, to facilitate user matching of the ends of the rib sections to complementary openings at the corresponding first, second and extended ends of the pivot rib coupler, extended end of the upper pivot hub connector and extended end of the lower pivot hub connector.