Mobile aerial tower

摘要: A vehicle mounted aerial tower in which a primary fixed length boom is pivotably from one end and extends longitudinally outwardly of the vehicle, being elevated about pivot by lift cylinder connected to having pivotally outer carriage assembly supports secondary elongated for pivotal movement with actuatable lengthwise sprocket chain means, or like, personnel work platform cab supported adapted be maintained predetermined position relative ground support. The combination available movements elevation boom, actuation relation front enables actuated variety locations well below level long forward reach relatively high elevation.