BOARDING/ALIGHTING DOOR OF OPERATION CABIN FOR WORKING CAR

摘要

PROBLEM TO BE SOLVED: To provide a lightweight boarding/alighting door with windows of the operation cabin for the working car. SOLUTION: This door comprises an inner frame 16 made of sheet metal with an upper window 12 and a lower window 13, and an outer frame 17 made of transparent plate supported outside of the inner frame 16. The outer frame 17 is formed for covering the upper window 12 and the lower window 13.