SUPPORTING FRAME AND STEPLADDER USING SUPPORTING FRAME
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United States of America Patent
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Issued Date -
May 9, 2024
app pub date -
Apr 27, 2023
filing date -
Nov 3, 2022
priority date (Note) -
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Abstract
A supporting frame and a stepladder using the supporting frame are provided. The supporting frame comprises two supporting legs symmetrically parallelly arranged in a left-and-right direction and two lateral rods symmetrically parallelly arranged in an up-and-down direction. The two lateral rods are connected to and extend between the two supporting legs, and an outer surface of each of the two supporting legs comprises a groove. An end portion of each of the two lateral rods is disposed with a sleeve sleeved on a corresponding one of the two supporting legs, and a part of the sleeve corresponding to the groove is configured to be pressed to move into the groove so as to enable the sleeve to embrace the corresponding one of the two supporting legs to achieve an interference fit connection.
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