Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 27, 2021
Patent Application Number
16313314
Date Filed
June 22, 2017
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
Provided is a two-piston hydraulic striking device that has stable operativity. This two-piston hydraulic striking device includes two striking mechanisms for striking one transfer member. Each striking mechanism has a pressure receiving area ratio between the front and rear of a piston thereof set in such a way that the two striking mechanisms have the same cycle time.
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