US 12,304,547 B2
Foldable stroller
Junjie Kuang, Linwu County, Hunan Province (CN)
Assigned to ZHONGSHAN KANGDI BABY PRODUCTS CO., LTD., Zhongshan (CN)
Filed by Junjie Kuang, Linwu County, Hunan Province (CN)
Filed on Dec. 26, 2024, as Appl. No. 19/001,664.
Application 19/001,664 is a continuation in part of application No. 18/734,001, filed on Jun. 5, 2024, granted, now 12,221,150.
Prior Publication US 2025/0128750 A1, Apr. 24, 2025
Int. Cl. B62B 7/08 (2006.01); B62B 9/08 (2006.01); B62B 9/14 (2006.01); B62B 9/20 (2006.01); B62B 9/26 (2006.01)
CPC B62B 7/08 (2013.01) [B62B 9/082 (2013.01); B62B 9/087 (2013.01); B62B 9/142 (2013.01); B62B 9/206 (2013.01); B62B 9/26 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A foldable stroller, comprising:
a frame; and
wheels installed at a bottom of the frame,
wherein the frame has a folded state and an unfolded state, the frame comprises a first bracket assembly;
a second bracket assembly, wherein the second bracket assembly is arranged opposite to the first bracket assembly in a front-back direction;
a connecting bracket assembly, wherein each of two ends of the connecting bracket assembly is connected to the first bracket assembly and the second bracket assembly respectively; and
a supporting assembly, wherein a connecting end of the supporting assembly is rotatably connected to the connecting bracket assembly, a sliding end of the supporting assembly is slidably connected to either the first bracket assembly and the second bracket assembly or the connecting bracket assembly;
when the frame changes between the folded state and the unfolded state, the connecting end of the supporting assembly rotates relative to the connecting bracket assembly, the sliding end of the supporting assembly slides along the first bracket assembly and the second bracket assembly or the sliding end of the supporting assembly slides along the connecting bracket assembly, and the connecting bracket assembly rotates relative to the first bracket assembly and the second bracket assembly;
wherein the foldable stroller further comprises a locking assembly, the locking assembly is arranged at the sliding end of the supporting assembly and moves between a locked position and an unlocked position, a locking hole is arranged on the first bracket assembly and/or the second bracket assembly or on the connecting bracket assembly, and when the frame is in the unfolded state, the locking assembly moves to the locked position, at this time, the locking assembly is inserted into the locking hole.