A vehicle for transporting a payload over a surface that may be irregular an d may include stairs. The vehicle has a support for supporting the payload and a ground contacting element movable with respect to a local axis, where the local axis can be moved with respect to some second axis that has a defined relation with respect to the support. The vehicle also has a motorized drive arrangement for permitting controllable motion of the ground contacting element so as to operate in an operating condition that is unstable with respect to tipping in at least a fore-aft plane when the motorized drive arrangement is not powered. The vehicle also has an input device for receivi ng an indication from an assistant who is not disposed on the vehicle of a direction of desired motion of the vehicle.
申请公布号
CA2366076(A1)
申请公布日期
2000.09.21
申请号
CA20002366076
申请日期
2000.03.14
申请人
DEKA PRODUCTS LIMITED PARTNERSHIP
发明人
AMBROGI, ROBERT R.;KAMEN, DEAN L.;MORRELL, JOHN B.;HEINZMANN, RICHARD KURT;HERR, DAVID;HEINZMANN, JOHN DAVID