A class of transportation vehicles for carrying an individual over ground having a surface that may be irregular. Various embodiments have a motorized drive, mounted to the ground-contacting module that causes operation of the vehicle in an operating position that is unstable with respect to tipping when the motorized drive arrangement is not powered. Related methods are provided.
申请公布号
AT319608(T)
申请公布日期
2006.03.15
申请号
AT20000938046T
申请日期
2000.06.01
申请人
DEKA PRODUCTS LIMITED PARTNERSHIP
发明人
KAMEN, DEAN L.;AMBROGI, ROBERT R.;DUGGAN, ROBERT J.;FIELD, DOUGLAS J.;HEINZMANN, RICHARD KURT;AMSBURY, BURL;LANGENFELD, CHRISTOPHER C.