Cap or hat, comprising writing covering complete head area and rotated by photovoltaic drive

摘要

The cap (1) or hat is in particular worn by a spectator at a sports event. The cap (1) can be provided with a sunshade (3) or the hat with a brim. The head area (2) is covered by a movable second layer (4) carrying a writing assembled of words related to the event. The upper layer (4) is rotated around a vertical axle by a photovoltaic drive (5) connected to a solar cell located at the sunshade (3) or the brim.