发明名称 EXCAVATING METHOD AND APPARATUS
摘要 An excavation apparatus includes a support structure mountable to a truck bed, the support structure defining a longitudinal direction extending front-to-back of the truck bed, and a lateral direction extending side-to-side of the truck bed. The apparatus further includes a rotary spindle pivotably supported by the support structure at a first pivot joint defining a generally horizontal first pivot axis, the spindle extending lengthwise along a spindle axis and rotatable thereabout for driving a cutting head; the spindle pivotable about the horizontal first pivot axis between a stowed position wherein the spindle axis is generally horizontal, and a deployed position wherein the spindle axis is generally vertical. The support structure includes a first adjustment device for adjusting the position of the spindle in the longitudinal direction when deployed, and a second adjustment device for adjusting the position of the spindle in the lateral direction when deployed.
申请公布号 US2008277131(A1) 申请公布日期 2008.11.13
申请号 US20080117351 申请日期 2008.05.08
申请人 POLLOCK EDWARD MARSHALL;HAAS JEFFREY;HARBINSON PATRICK WILLIAM 发明人 POLLOCK EDWARD MARSHALL;HAAS JEFFREY;HARBINSON PATRICK WILLIAM
分类号 E21B7/02 主分类号 E21B7/02
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