Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 15, 2009
Patent Application Number
11936770
Date Filed
November 7, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A synchronous actuator comprises a telescopic cylinder assembly having at least three pivotally connected cylinders, a drive assembly and a driven assembly. The drive assembly is connected to two adjacent cylinders. The driven assembly is connected to three adjacent cylinders. With the drive assembly and the driven assembly, the cylinders of the telescopic cylinder assembly can be extended or retracted synchronously in axial direction.
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