Auxiliary instrument panel for cabs of machines, particularly agricultural machines

An auxiliary instrument panel for cabs of machines, particularly but not exclusively agricultural machines, wherein it comprises a panel containing control instruments, and a tubular support arm for the panel, the support arm being essentially L-shaped and having a first portion intended to be supported in a vertical position by the structure of the cab so as to be rotatable about the axis of the first portion, and a second portion which supports the panel for rotation about the axis of the second portion, wherein an auxiliary tubular member is provided for rotatably supporting the lower end of the first vertical portion of the tubular arm, the auxiliary tubular member being intended for fixing in a vertical position on the structure of the cab and being provided on its outer surface with a bearing surface for supporting the lower end of the first portion of the tubular arm, and wherein the instrument panel also has means for fixing the tubular arm to the auxiliary tubular member and for keeping the lower end pressed against the bearing surface.