Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven D Hyde0
Aaron B Lian0
Kenneth Kubo0
Date of Patent
August 17, 2010
Patent Application Number
12356955
Date Filed
January 21, 2009
Patent Primary Examiner
Patent abstract
A dragline bucket includes a bottom wall, a pair of sidewalls and a rear wall that collectively define a cavity. The sidewalls each have a large downward taper of at least about 7 degrees in at least its forward area. In an alternative embodiment, the sidewalls each have an upward taper in its rearward area which alleviates the need for a spreader bar. The dragline bucket collects earthen material with minimal disruption of the material.
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