Patent ID: 9284703
Filing Date: 2016-03-15
CPC Classification: B60L,E01H,Y02T

Claim Text:
1. A spreader unit for a de-icing material for cleaning a road or pedestrian surface, comprising: a hopper configured to contain the de-icing material; a spreader device configured to receive the de-icing material from said hopper and spread the de-icing material on the road or pedestrian surface; a carrying device configured to convey the de-icing material from said hopper to said spreader device; at least one rechargeable battery configured to supply electric power to said carrying device; an electric mechanical converter configured to charge said rechargeable battery by an inputted mechanical power; and a friction wheel configured to transfer the inputted mechanical power to the electric mechanical converter, wherein said friction wheel is movable between a first position and a second position, and wherein in said first position said friction wheel comes into direct contact with the road or pedestrian surface.