Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP5764284UpriorityCriticalpatent/JPS60168844U/ja
Publication of JPS60168844UpublicationCriticalpatent/JPS60168844U/ja
Application grantedgrantedCritical
Publication of JPH0324193Y2publicationCriticalpatent/JPH0324193Y2/ja
Electric power modulated lead screw actuated butterfly blade damper and method of controlling air flow and pressure and pneumatic two position operator