Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 3, 2015
Patent Application Number
14015628
Date Filed
August 30, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
A valve apparatus for a fluid transmission line. The valve apparatus comprising a housing; a drive mechanism; a leadscrew selectively rotatable in a first or second rotational leadscrew direction by the drive mechanism; a drive gear mounted to the housing, the drive gear configured to be selectively driven in a first or second drive gear direction during rotation of said leadscrew in the first or second leadscrew direction to operate an iris mechanism.
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