Effective gear reduction in lawn tractor transmission
Electric drive system with differential steering
Electric drive system with differential steering
Electric ground working vehicle
Electric vehicle
Electric wheel-chair
Electric wheel-chair
Electrical wheelchair with spliced front and rear wheel drive
Electrically driven industrial vehicle
Electrically powered vehicle control
Electricaly operable wheelchair having a controller responsive t
Electro-mechanical drive system for a full-track vehicle
Electromechanical cross-drive steering transmission for tracklay