SELF-POSITIONABLE LIFTING DEVICE
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
May 20, 2015
filing date -
Sep 23, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A self-positionable lifting device includes a linkage that has mutually parallel first and second links. The first and second links each have two ends thereof pivotally connected to a loading component and a loading platform set, respectively, so that pivotally connected points connecting the first link and the second link to the loading component and the loading platform set jointly define a parallelogramic area. The self-positionable lifting device further includes a damping mechanism that has a damper and a switch. The damper is provided between the linkage and loading component. The switch controls the damper to extend or retract by means of a control cord, the loading platform set can horizontally move in multiple directions with respect to the loading component as a result of relative pivotal movements between the first and second links. After adjustment, the loading platform set can be positioned.
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