Electric utility brush with a dynamic brush head

An electric utility brush comprising an inner drive shaft and a concentric outer drive shaft;

• a rotatable head comprising a first part fixed to an end of the outer drive shaft, a second part rotatably mounted to the first part in driving engagement with the inner drive shaft, and a set of meshing gears provided between the inner drive shaft and the second part of the head, wherein the meshing gears comprise driving gear teeth and complementary driven gear teeth, wherein the rotatable head is spherical, the first and second parts being substantially hemispherical and wherein the driving gear teeth is formed integrally with an end of the inner drive shaft and the complementary driven gear teeth is formed integrally with an end face of the second part of the head.