WINCH AND AUTONOMOUS MOBILE APPARATUS INCLUDING THE SAME
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United States of America Patent
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Issued Date -
May 17, 2012
app pub date -
Apr 1, 2010
filing date -
Apr 6, 2009
priority date (Note) -
Abandoned
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Abstract
The present invention discloses a winch and an autonomous mobile apparatus including the winch. The winch can include: a driving motor; a driving axle configured to rotate by having a driving force transferred from the driving motor; a wire drum installed on the driving axle in such a way that the wire drum is rotated by the driving axle and can move along the driving axle, a first screw part formed on an external circumferential surface of lengthwise end thereof; and a guide part arranged to be parallel to the driving axle and having a second screw part formed on a lateral side that faces the driving axle, the second screw part being extended in a lengthwise direction of the driving axle and engaged with the first screw part. The wire drum can move along the guide part in such a way that the length of a wire being wound or unwound for one rotation of the wire drum is constant.
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