The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2025
Filed:
Dec. 05, 2024
Shenzhen Yihong Holding Group Co., Ltd., Shenzhen, CN;
Chunlong Qiu, Shenzhen, CN;
Xiao Zhang, Shenzhen, CN;
Shenzhen Yihong Holding Group Co., Ltd., Shenzhen, CN;
Abstract
A coupling structure for a cart comprises a first connector, a second connector, and a third connector. The first connector is detachably connected to the second connector, and the second connector is detachably connected to the third connector. The first connector is located inside the second connector, and the second connector is located inside the third connector, such that the first connector, the second connector, and the third connector form a three-layer ring-shaped embedded structure. According to the embodiments of the present disclosure, the coupling structure is stable, and has a strong bearing capacity. The cart using the coupling structure can load more objects, and has a stronger bearing capacity.