Multi-functional lifting device
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United States of America Patent
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-
Dec 1, 2015
Grant Date -
Jul 31, 2014
app pub date -
Oct 15, 2013
filing date -
Jan 25, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A multi-functional lifting device, comprising a lifting device body; a power source; an electromagnetic DC motor; a decelerator connected to the DC motor; a main moving wheel positioned on an output axle of the decelerator; a rope element twined into the main moving wheel; a resilient wheel brake unit on one side of the main moving wheel locking the rope element into position; an intermediate wheel having a rope groove complementary to the rope groove of the main moving wheel; and a speed control module and a PCB board connected to the DC motor. The multi-functional lifting device is capable of providing controllable upward and downward movement when the power to the DC motor is connected or disconnected to the power source.
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