Excavating – Rotary digger – Endless conveyor
Patent
1990-05-14
1991-10-22
Reese, Randolph A.
Excavating
Rotary digger
Endless conveyor
37195, 37189, 37DIG19, 37 94, 33264, 33365, E02F 324
Patent
active
050582941
ABSTRACT:
This invention pertains to method and apparatus for accurate control of the cutting depth and grade for mobile excavating system excavators having a continuous bucket excavating system mounted at the leading end of a structural main frame. Such excavators have a rubber tire or crawler track undercarriage and dig while advancing on the freshly cut grade.
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Bryan, Jr. John F.
McBee J. Russell
Reese Randolph A.
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