To provide an imaging device for rounds, having traveling elements, a first arm oscillatably attached at one end of the traveling elements about a horizontal axis, and a second arm oscillatably attached to the other end of the first arm about another horizontal axis, the device being structurally simple and easy to assembly and allowing easy positioning of an imaging machine.

A first arm 1 is provided with a third arm 3 oscillatable about a horizontal axis 153, and the third arm 3 is connected with a second arm 2 by means of connecting rods 4a, 4b. A shock-absorbing device 6a such as a coil spring is extended between the first arm 1 and a traveling element, and a shock-absorbing device such as a piston-and-cylinder-type damper is extended between the third arm 3 and the traveling element. Fixing means 19, 23 may be provided for stopping the first and second arms 1, 2 in the desired oscillating positions.