ACTUATOR HAVING LOAD WEIGHTING MECHANISM
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United States of America Patent
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Issued Date -
Jul 19, 2012
app pub date -
Jan 19, 2011
filing date -
Jan 19, 2011
priority date (Note) -
Abandoned
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Abstract
An actuator having a load weighting mechanism is disclosed. The actuator has a screw and a nut mounted around the screw and connected with a driving shaft. The driving shaft supports a load. When moving along the screw, the nut displaces the driving shaft forward and backward. The screw has a pair of thrust bearings for bearing the load, and at least one load weighting unit installed between the pair of thrust bearings for weighting the load.
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