Patent ID: 6173810
Filing Date: 2001-01-16
Classification: B66C,B66F

Abstract:
A personnel lift comprising:a base;a vertical lift assembly attached to the base;an aerial work platform attached to the vertical lift assembly;a lift system for extending the vertical lift assembly and raising the aerial work platform;a plurality of adjustable outriggers connected to the base;a level-sensing system for determining a magnitude and direction of tilt of the personnel lift and, based on that magnitude and direction information, determining which of the plurality of outriggers needs to be changed in elevation so as to level the personnel lift; anda level-indicator display linked to the level-sensing system, the level-indicator display including a plurality of indicators corresponding to the plurality of outriggers, the indicators displaying a first signal if the corresponding outrigger needs an elevation change, and a second signal different from the first signal if the outrigger does not need to be changed in elevation.