US 12,403,946 B2
Tipcart
Zhijun Liu, Qingdao (CN)
Assigned to QINGDAO HUATIAN HAND TRUCK CO., LTD., Qingdao (CN)
Appl. No. 17/923,577
Filed by QINGDAO HUATIAN HAND TRUCK CO., LTD., Qingdao (CN)
PCT Filed Aug. 3, 2021, PCT No. PCT/CN2021/110198
§ 371(c)(1), (2) Date Nov. 5, 2022,
PCT Pub. No. WO2022/257255, PCT Pub. Date Dec. 15, 2022.
Claims priority of application No. 202121307491.6 (CN), filed on Jun. 11, 2021.
Prior Publication US 2024/0317288 A1, Sep. 26, 2024
Int. Cl. B62B 3/08 (2006.01); B60P 1/04 (2006.01); B60P 1/28 (2006.01)
CPC B62B 3/08 (2013.01) [B60P 1/04 (2013.01); B60P 1/28 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A tipcart, comprising a frame, a dump box hinged on the frame, and a first pin shaft for connecting the frame and the dump box,
a front wheel bracket and a rear wheel bracket are respectively fixedly connected under a front and rear ends of the frame, both ends of the front wheel bracket and the rear wheel bracket are respectively provided with a front wheel mounting shaft and a rear wheel mounting shaft, and wheels are mounted on both the front wheel mounting shaft and the rear wheel mounting shaft,
the first pin shaft is arranged at a rear end of the frame, and the first pin shaft is located between the front wheel mounting shaft and the rear wheel mounting shaft;
wherein an end of the rear wheel bracket is horizontally extended backward to form an extension frame for mounting the rear wheel mounting shaft, the first pin shaft is arranged between the rear wheel bracket and the rear wheel mounting shaft,
wherein during a dumping of the dump box, the gravity of which moves down into a triangular area formed by the rear wheel bracket, the rear wheel mounting shaft and the first pin shaft;
wherein a connecting plate is fixedly arranged under a rear end of the dump box, and left and right ends of the connecting plate extend downward to form a hinge plate, wherein the hinge plate is provided with a hinge hole, and the first pin shaft passes through the hinge hole to hinge the connecting plate and the frame, and the connecting plate rotates with a rotation of the dump box;
wherein the front wheel bracket and the rear wheel bracket are both U-shaped brackets.