EXPANDABLE CART WITH UNFOLDABLE REAR FRAME
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Aug 29, 2023
filing date -
Aug 29, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
An expandable cart with an unfoldable rear frame includes a first column, a second column, a third column, a fourth column, a first folding mechanism, a second folding mechanism, a third folding mechanism, a bottom support mechanism, and a rear frame mechanism. The four columns are arranged at intervals in a rectangular shape, and have lower ends all connected to the bottom support mechanism, and the bottom support mechanism is capable of being folded upward. The first folding mechanism is connected between the first column and the second column, the second folding mechanism is connected between the third column and the fourth column, and the third folding mechanism is connected between the fourth column and the first column. The rear frame mechanism is disposed between the second column and the third column.
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Cited Art Landscape
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