We developed "Patrafour" to make your life more comfortable,
joyful and active. "Patrafour" has been sold since Oct,
2004 by Nissin Medical Industries Co.,LTD. in Japan.
We apply for a patent on "WESN® " *1Patrafour adopted a special wheel called WESN.
WESN doesn't steer when it makes a turn.
*1 WESN® This coined word means all directions (West-East-South-North).WESN is a registered trademark.
Motions of WESN
Front wheels don't have driving motors.Driving power transmitted from rear wheel to front wheel by a simple belt system.
Characteristics of Patrafour's driving system
|Length||98 [ cm ]|
|Width||62.5 [ cm ]|
|Height||93 [ cm ]|
|Weight||100 [ kg ] (with batteries)|
|Turning radius||79 [ cm ]|
|Max speed||6 [ km/hr ]|
|Max Range||30 [ km ]|
|Battery charging time||approx.12 [ hr ]|
|Safe climbing angle||< 10 [ deg. ]|
|Safe climbing curb height||< 8 [ cm ] (forward only)|
|Safe ditch stride range||< 10 [ cm ]|
All the movies are silent.
Realized a high performance by using the All Wheel Drive system.
[Road with an inclination]
You can drive safely on inclined footpaths.Patrafour doesn't slide to ward the roadways.It is possible to control Patrafour on road with an inclination.
To see all the movies you need Plag-in,To install now:
You can choose a favorite color to make your drive joyful.
Wine red metallic