Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takeshi Tsuneyoshi0
Kentaro Nakayama0
Takahiro Iwamoto0
Date of Patent
May 28, 2019
0Patent Application Number
157372690
Date Filed
June 14, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
To improve the precision of position of a fastener hole and a seating face for mounting a counterweight, a counterweight supporting member is comprised of a support plate erected and fixed at the rear end of a revolving frame and a supporting member attached to the support plate. The supporting member is comprised of a base member that is locked and secured to a through hole opened on the support plate in a back and forth adjustable manner and has a counterweight fixing surface and a bolt fastening member in which a fastener hole for receiving a fastener bolt is formed.
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