Semi-trailer landing gear

摘要

Landing gears for semi-trailers or the like are disclosed in which the telescoping outer and inner legs of the landing gear are formed as a pair of identical, generally U-shaped sheet metal members which are welded along overlapping seams to form generally box sections. The inner legs are formed with vertical inwardly indented corrugations formed in the end and side walls thereof for added strength. In another embodiment, the outer leg is also formed with corrugations which interfit within the corrugations formed in the inner leg.