Abstract
Silver car is a handcart for old people. It is very popular when they take a walk. The structure is very simple and it has many functions However, in country side such as Koichi, there are many unpaved roads. On such a road, to use a silver car may be patient for old people because of vibration of a handle bar. In this paper, a consideration of comfortable use of the silver car is discussed. Suspension mechanism installed on the silver car is examined. Suspension mechanism is introduced and some experimental results are shown.
