Liftable hospital bed
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United States of America Patent
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Apr 25, 2017
Issued Date -
N/A
app pub date -
Jan 6, 2013
filing date -
Sep 27, 2012
priority date (Note) -
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Abstract
Disclosed is a liftable hospital bed, comprising a bedplate base frame (1) symmetrical about a transverse central plane and a longitudinal central plane, wherein two ends of the bedplate base frame (1) are provided with bed leg rods (2), the lower end of the bed leg rods (2) being hinged to a first roller device (3) in contact with the ground and the upper end of the bed leg rods (2) being connected to a second roller device (4), the second roller device (4) being slidable in tracks (5) on the bedplate base frame (1) and the tracks (5) being parallel to a longitudinal axis of the bedplate base frame (1); connecting rods (6) are hinged to the bed leg rods (2); and a turnover mechanism is further provided for changing included angles between the bed leg rods (2) and the bedplate base frame (1) to lift the bedplate base frame (1), the turnover mechanism comprises the connecting rods (6) and a thrust mechanism, end portions of the thrust mechanism drive the connecting rods (6) to rotate via a hinged four-rod mechanism (7), and the connecting rods (6) drive the bed leg rods (2) to turn over relative to the bedplate base frame (1), so that the lifting of the hospital bed is realized.
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Family
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