Patent attributes
A floor-plate side opening part (17B) through which each lever part (24, 26) of a traveling lever pedal (21) is inserted is provided on a front side of a floor plate (18). A mat-side opening part (19C) corresponding to the floor-plate side opening part (17B) is provided on a floor mat (19). A cover member (32) formed of a flat plate part (33) covering the mat-side opening part (19C) and having a slit (33A, 33B) allowing tilting of each lever part (24, 26) and a cylindrical part (34) extending from the flat plate part (33) is provided on the mat-side opening part (19C). An entire-circumferential lip part (19D) is provided on the mat-side opening part 19C. An entire-circumferential stepped part (35) for sealing a space from the entire-circumferential lip part (19D) is provided on the flat plate part (33). An entire-circumferential engaging protrusion part (17C) is provided on the floor-plate side opening part (17B), and an entire-circumferential recessed groove (36) engaged with the entire-circumferential engaging protrusion part (17C) is provided on the cylindrical part (34).