EXTREMELY-SMALL-SWING WORKING MACHINE

摘要

An extremely-small-swing working machine, comprising an operator cabin (9) mounted on a swing table (4) and a working arm device (5) having a first boom section (10) installed on the swing table (4) on either one of the right and left sides of the cabin, a second boom section (11) connected to the first boom section (10) through a lower rotating shaft (15), a third boom section (12) connected to the second boom section (11) through an upper rotating shaft (16) generally in parallel with the lower rotating shaft (15), an arm (13) connected to the third boom section (12), and a working attachment (14) connected to the tip of the arm (13), wherein the working attachment (14) and the operation cab (9) are formed so that they are not brought into contact with each other over the entire operating range of the working attachment (14) without limiting or controlling the operation of the working attachment (14).