HOIST APPARATUS AND CONTROL METHOD THEREOF
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United States of America Patent
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Issued Date -
Jul 5, 2012
app pub date -
Nov 17, 2011
filing date -
Jan 5, 2011
priority date (Note) -
Abandoned
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Abstract
A hoist apparatus including a hoist and control method are provided. The hoist includes a cable to which an object is connected, a motor, a drum to wind or unwind the cable in linkage with rotation of the motor, a pulley connected to the drum via the cable to guide the cable to the drum, and an angle detection assembly to detect an angle of the cable between the pulley and the object. A control unit detects whether the object shakes based on the angle of the cable and controls shaking restriction if shaking of the object is detected. User force and angle of the cable are detected and movement of the object is controlled, the object is easily moved by the user, auxiliary force is applied to the object, and vibration of the object is minimized.
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