Motor driven linear actuator
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United States of America Patent
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Issued Date -
Feb 19, 2009
app pub date -
Jul 22, 2008
filing date -
Aug 14, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a linear actuator in whose housing an electric motor is fastened for the driving of a threaded spindle which receives a spindle nut which converts the rotary movement of the threaded spindle into a translatory movement and with which the actuation rod extending out of the housing is coupled. The threaded spindle has an internal thread circumscribing a hollow space of the threaded spindle, whereas the spindle nut has an external thread in engagement with the internal thread of the threaded spindle so that the actuation bar can be moved in or out of the hollow space of the threaded spindle in the manner of a telescope depending on the direction of rotation of the threaded spindle.
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