This display support mechanism comprises a support shaft provided in the form of a plate, a display screen support member, having a first hole receiving the platelike support shaft, provided on the side of a display screen and a base support member, having a second hole receiving the platelike support shaft, provided on the side of a base, and at least either the first hole or the second hole receiving the platelike support shaft is provided in the form of a sector while the display screen support member is rotatable about the platelike support shaft serving as an axis of rotation in the angular range of the sector.