Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takeo Yamada0
Gousuke Nakashima0
Ryosuke Okui0
Date of Patent
September 24, 2019
0Patent Application Number
157571070
Date Filed
July 13, 2017
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A boom is attached to a body. A boom pin supports the boom while being swingable with respect to the body. A through-hole is made in the body. The through-hole is made such that a member (for example, the boom pin or a boom angle detector) that recognizes a position of the boom pin can be observed through the through-hole from a side of a hydraulic excavator.
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