A ladder (10) includes: a front connecting member (11) and a rear connecting member (12) at a top step, respective upper ends of which are connected to a lateral side of a vehicle body (2) in a pivotally movable manner and are juxtaposed with a predetermined space therebetween in a vehicle front-back direction; a front connecting member (14) and a rear connecting member (15) which are provided at a step under the top step, and respective upper ends of which are connected in a pivotally movable manner to both ends in the vehicle front-back direction of a step board (13). The front connecting member (11) and the rear connecting member (12) at least at the top step among steps positioned above a lowest step are rigid members. The front connecting member (14) and the rear connecting member (15) at the lowest step among steps positioned under the top step are elastically deformable.
VERTICALLY-MOVABLE STEPS FOR WORKING VEHICLES
VERTIKAL BEWEGLICHE STUFEN FÜR ARBEITSFAHRZEUGE
MARCHES MOBILES VERTICALEMENT POUR VÉHICULES DE TRAVAIL
2024-03-06
Patent
Electronic Resource
English