Linear Actuator
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United States of America Patent
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N/A
Issued Date -
Nov 10, 2011
app pub date -
Feb 12, 2010
filing date -
Feb 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A linear actuator includes a leadscrew and a drive rod threadingly engaged with the leadscrew to permit longitudinal movement of the drive rod along its axis as the leadscrew rotates. A sheath is provided around the drive rod. A gear column is arranged generally coaxially with the axis of the leadscrew, the gear column including a gear through which drive can be applied to rotate the gear column. The gear column is connected to the leadscrew such that rotation of the gear column causes rotation of the leadscrew with respect to the drive rod to cause the drive rod to extend and/or retract.
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