发明名称 Pipeline padding machine and method
摘要 A pipeline padding vehicle for supplying earth of a fine consistency to cover and pad a pipeline disposed in a trench has a longitudinal conveyor, a vibrating screen to receive earth from the conveyor, and a padding material discharge conveyor beneath the screen to receive material therefrom mounted to pivot about a vertical axis from a position in which it is longitudinally aligned with the vehicle frame to a position transverse of the frame. A sub-frame mounts the vibrating screen and discharge conveyor on the vehicle for fore and aft swinging movement about a generally horizontal axis transverse to the longitudinal extent of the vehicle frame.
申请公布号 US4861461(A) 申请公布日期 1989.08.29
申请号 US19870059491 申请日期 1987.06.08
申请人 UTTERBACK, EUGENE C. 发明人 UTTERBACK, EUGENE C.
分类号 B07B1/00;E02F5/22 主分类号 B07B1/00
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