A working machine (1) comprising: a traveling frame (9) provided with a top plate (217) having an opening; a swivel base (2) arranged on the traveling frame (9) and configured to be turned about center of the opening; and a swivel joint (209) arranged on the center of the opening, wherein the top plate (217) includes: a first joint support portion (226) projecting toward the center of the opening and supporting the swivel joint (209); and a second joint support portion (227) projecting toward the center of the opening from a position opposite to, across the center, the first joint support portion (226) and supporting the swivel joint (209), wherein the first joint support portion (226) has a first opening penetrating from an upper surface to a lower surface of the first joint support portion (226), and wherein the second joint support portion (227) has a second opening penetrating from an upper surface to a lower surface of the second joint support portion (227).
WORKING MACHINE WITH SWIVEL JOINT
ARBEITSMASCHINE MIT DREHDURCHFÜHRUNG
MACHINE DE TRAVAIL AVEC JOINT PIVOTANT
2021-09-01
Patent
Elektronische Ressource
Englisch