US 12,109,449 B1
Hula hoop
Kehua Gao, Shenzhen (CN)
Filed by Kehua Gao, Shenzhen (CN)
Filed on Jan. 19, 2024, as Appl. No. 18/417,619.
Claims priority of application No. 202311155636.9 (CN), filed on Sep. 7, 2023.
Int. Cl. A63B 19/00 (2006.01); A63B 21/06 (2006.01); A63B 21/065 (2006.01); A63B 71/06 (2006.01); A63H 33/02 (2006.01)
CPC A63B 21/0608 (2013.01) [A63B 19/00 (2013.01); A63B 21/065 (2013.01); A63B 71/0669 (2013.01); A63H 33/02 (2013.01); A63B 2213/007 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A hula hoop, comprising:
a track assembly with a plurality of track units interconnected end-to-end, and
a slider provided with one or more rollers configured to slide along a circular path,
wherein each track unit of the plurality of track units includes an outer track having a receiving channel located at a first end and a protruding portion located at a second end opposite to the first end,
wherein the protruding portion of the outer track includes side protruding fingers and an intermediate protruding finger located between the side protruding fingers, and the side protruding fingers of one track unit is configured to be inserted into respective side channels of the receiving channel of another track unit, such that after the track units are assembled, a distance between an end face of the side protruding finger of the outer track of the one track unit and an end face that delimits the side channel of another track unit within which the protruding finger is inserted is in the range of 0.5 mm to 10 mm,
and wherein the slider is provided with a light emitting device.