SEAT FRAME AND SEAT WITH SWITCHABLE SITTING AND LYING POSITIONS
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Nov 14, 2024
app pub date -
Apr 29, 2024
filing date -
Apr 29, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A seat frame and a seat with switchable sitting and lying positions are provided. The seat frame includes a frame, a seat cushion, and a backrest connecting rod mechanism with a polygonal planar structure, the polygonal planar structure includes a front swing arm, a back pole frame, and a T-shaped connecting rod. A front end of the back pole frame is hinged to the upper end of the front swing arm. The T-shaped connecting rod includes two straight rods; an end of one of the two straight rods is defined as a first protruding end hinged to the lower end of the front swing arm, an end of the other of the two straight rods is defined as a second protruding end hinged to a back end of the back pole frame.
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