A scaling apparatus comprises a hammer component and a pick component which includes a tooth. The apparatus also includes a mechanism for moving the pick component with respect to the hammer component to thereby impart a scaling force to and through the tooth. In a preferred embodiment of the invention, the pick component includes a pick body comprising a first pivot having a pivot axis and a tooth mounted on the pick body. In this embodiment of the invention, the hammer component includes a hammer housing and a second pivot mounted within the housing and adapted to pivotally engage the first pivot of the pick body. This embodiment of the invention also includes means for rotating the pick body relative to the hammer component so as to impart a scaling force.
申请公布号
WO2005038147(A2)
申请公布日期
2005.04.28
申请号
WO2004US33209
申请日期
2004.10.07
申请人
ASTEC INDUSTRIES, INC.;WITTENBERG, JOHN;MORNEAULT, PAUL