Benchboard positioner of vehicle for high lift work

摘要

(57) Abstract Objective Benchboard of vehicle for high lift work of plural stands specified height positionTry to be able to stop. Constitution In benchboard 2 of vehicle for high lift work of plural stands laser light absorptionTo install vessel 23 respectively, in specified height position the laser searchlightDistribution facilities doing 35, when laser receptor 23 the laser absorbing light,Stopping the pressure oil supply to the ascent and descent cylinder 31 of lift mechanism 3Doing, it stops benchboard 2 in specified height position.