Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 14, 2020
Patent Application Number
15712428
Date Filed
September 22, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A rock excavating device includes a shaft and a cutting element. The shaft includes a first portion and a second portion connected to an end of the first portion. The first portion is rotatable about a first axis. The second portion extends along a second axis that is oblique with respect to the first axis. The cutting element includes a cutting edge. The cutting element is supported on the second portion and rotatable about the second axis. Rotation of the first portion of the shaft about the first axis changes the orientation of the second axis and the cutting element.
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