Multiple motorized lifting devices mounted to a structure
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United States of America Patent
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May 7, 2019
Grant Date -
Aug 18, 2016
app pub date -
Apr 27, 2016
filing date -
May 13, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A system includes two or more lifting devices attached to a structure each lifting device having a drum rotated by a motor to draw in or let out a line from the drum. The drum includes a groove formed in an outer surface thereof to accommodate the line. In certain embodiments, each of the lifting devices are quickly and easily detachable from the structure by way of a flange and mounting bracket. The flange and mounting bracket have holes which are coaxially aligned. A pin or other fastener is used to join the flange and mounting bracket together. Two or more lifting devices may be connected to and moved along a mounting bracket.
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