LIFTER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Jan 21, 2021
app pub date -
Feb 11, 2019
filing date -
Apr 10, 2018
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A lifter is disclosed. The disclosed lifter comprises: a frame; a motor part coupled to the frame; a drum rotatably coupled to the motor part and including a plurality of winding parts formed at regular intervals along the rotary shaft direction; and a plurality of wires coupled to be wound on the plurality of winding parts, respectively. Ends of the plurality of wires at one side thereof may be connected to the plurality of winding parts, respectively, and other ends of the plurality of wires may be detachably fixed to a ceiling.
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