Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takeshi Tsuneyoshi0
Kentaro Nakayama0
Takahiro Iwamoto0
Date of Patent
March 17, 2020
0Patent Application Number
157372720
Date Filed
June 14, 2016
0Patent Citations
...
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. A cylindrical bolt fastening boss is provided on the supporting member in a manner of rotational position adjustable to the supporting plate and in which a fastener hole is formed at an eccentric position.
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