SUSPENSION DEVICE AND TRAVELING DEVICE

An object of the present invention is to provide a technique for reducing the size of a suspension device 14 using a rocker bogie mechanism. The suspension device 14 includes a drive wheel 24; a first driven wheel 26 that is disposed on one side in a front-rear direction with respect to the drive wheel 24; a second driven wheel 28 that is disposed on the other side in the front-rear direction with respect to the drive wheel 24; a bogie link member 38 that supports the drive wheel 24 and the first driven wheel 26 and is oscillatable around a first oscillation axis 44; and a rocker link member 40 that supports the second driven wheel 28 and the bogie link member 38 and is oscillatable around a second oscillation axis 50. When viewed from a left-right direction, the first oscillation axis 44 is not on the same vertical line as a rotation axis 70 of the drive wheel 24 and is located above the rotation axis 70 in a vertical direction and located inside a contour of the drive wheel 24.