FOLDING CRUTCH CHAIR WITH A FOLDING AUXILIARY POSITIONING MECHANISM
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Jun 30, 2023
filing date -
Jul 8, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A folding crutch chair includes a pivot base unit, a primary leg unit, at least two support leg units, a positioning unit and a seating unit. The leg units are mounted on the pivot base unit. The positioning unit is mounted on the primary leg unit, and has a mounting seat and a positioning member. The positioning member has a guiding slope surface. A seating member of the seating unit is shiftable between a collapsed position and a seated position. During the operation from the seated position to the collapsed position, the seating member is actuated to move the guiding slope surface to generate a retention force for keeping the seating member unmoved relative to the positioning member so as to facilitate the folding operation.
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