COUPLING STRUCTURE FOR CART AND CART
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 6, 2024
filing date -
Dec 6, 2024
priority date (Note) -
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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.
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