Extending and retracting device and vehicle step apparatus having the same
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United States of America Patent
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Jun 25, 2013
Grant Date -
Feb 2, 2012
app pub date -
Jan 5, 2011
filing date -
Jul 28, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An extending and retracting device for a vehicle-step apparatus includes a mounting bracket and step bracket. A first arm defines a first end pivotally connected to the mounting bracket and a second end pivotally connected to the step bracket. A second arm defines a first end pivotally connected to the mounting bracket and a second end. A third arm defines a first end pivotally connected to the second end of the second arm and a second end pivotally connected to the step bracket. A trajectory-control assembly is configured to connect the first arm to the second arm and/or third arm to control a “motion” trajectory of the step bracket. A vehicle-step apparatus includes a step member, the extending and retracting device, and a driving device driving the first arm and/or second arm to move the extending and retracting device between an extended position and a retracted position.
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