TWO-WHEELED/TRACKED TROLLEY HAVING A REGENERATIVE BRAKING DEVICE

摘要

A wheel-barrow shaped two wheeled loading handtruck equipped or equippable with tracks or other similar brakeable belted rolling devices characterised in that said tracks or other similar belted rolling devices are connected to an energy accumulator which charges when going downward on a sloping surface or down the stairs for returning accumulated energy converting said energy again in advancing force.