US 12,304,543 B2
Folding cart
Zelian Jiang, Zhongshan (CN)
Assigned to ZHONGSHAN KANGLAIYA TRADE CO., LTD., Zhongshan (CN)
Filed by Zhongshan Kanglaiya Trade Co., Ltd., Zhongshan (CN)
Filed on Jan. 2, 2025, as Appl. No. 19/008,560.
Claims priority of application No. 202422929298.6 (CN), filed on Nov. 29, 2024.
Prior Publication US 2025/0136160 A1, May 1, 2025
Int. Cl. B62B 3/00 (2006.01); B62B 3/02 (2006.01); B62B 5/00 (2006.01); B62B 5/06 (2006.01)
CPC B62B 3/007 (2013.01) [B62B 3/025 (2013.01); B62B 5/0013 (2013.01); B62B 5/064 (2013.01); B62B 2205/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A folding cart, having a folded state and an unfolded state, comprising a front frame, a rear frame and a foldable reinforcement assembly, wherein in the unfolded state the front frame and the rear frame move away from each other for unfolding, while in the folded state the front frame and the rear frame move towards each other for folding;
the front frame includes a front bottom rod configured to be turned upwards and downwards, and the rear frame includes a rear bottom rod configured to be rotatably unfolded or folded relative to the front bottom rod,
the foldable reinforcement assembly is used for connecting the front bottom rod and the rear bottom rod;
wherein the foldable reinforcement assembly includes a first reinforcing rod hinged to the front frame and a second reinforcing rod hinged to the rear frame, an end of the first reinforcing rod and an end of the second reinforcing rod form a hinge;
a first connecting rod is hinged on the first reinforcing rod, the first connecting rod is further hinged with the front bottom rod, and a second connecting rod is hinged on the second reinforcing rod, the second connecting rod is further hinged with the rear bottom rod;
wherein an end of the first connecting rod is hinged on a middle of the first reinforcing rod, the other end of the first connecting rod is further hinged on a middle of the front bottom rod, and an end of the second connecting rod is hinged on a middle of the second reinforcing rod, the other end of the second connecting rod is further hinged on a middle of the rear bottom rod.