US 12,005,949 B2
Wheel shock absorption structure and child carrier
Haibo Zeng, Guangdong (CN)
Assigned to Wonderland Switzerland AG, Steinhausen (CH)
Appl. No. 17/787,133
Filed by WONDERLAND SWITZERLAND AG, Steinhausen (CH)
PCT Filed Dec. 18, 2020, PCT No. PCT/IB2020/062156
§ 371(c)(1), (2) Date Jun. 17, 2022,
PCT Pub. No. WO2021/124227, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 201911333067.6 (CN), filed on Dec. 20, 2019.
Prior Publication US 2023/0013591 A1, Jan. 19, 2023
Int. Cl. B62B 9/00 (2006.01); B60B 33/00 (2006.01); B60B 33/04 (2006.01)
CPC B62B 9/00 (2013.01) [B60B 33/045 (2013.01); B60B 33/0039 (2013.01); B60B 33/0049 (2013.01); B60B 33/0057 (2013.01); B60B 33/0068 (2013.01); B62B 2301/05 (2013.01); B62B 2301/20 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A wheel shock absorption structure, comprising:
a wheel shaft, a mounting seat, and a wheel seat, the mounting seat being rotatably connected with a frame and detachably connected with the wheel seat, a lower end of the wheel seat being rotatably connected with a wheel through the wheel shaft; and
a shock absorber with an elastic structure, an upper end of the shock absorber is connected with an upper end of the wheel seat, and the shock absorber rotates synchronously along with the wheel seat;
wherein the upper end of the wheel seat is coupled to the mounting seat, and the upper end of the shock absorber is clamped around the mounting seat and clamped between the wheel seat and the mounting seat.