US Patent 11103024 Helmet with magnetically-operated air vent

A helmet may include a helmet body and an air vent assembly. The air vent assembly may include a vent body including a vent border and a vent base; a vent cover pivotally coupled to the vent base by at least a cover anchor; and at least a first magnet disposed on at least one of the vent cover and the vent body, and at least a second magnet or attractor disposed on the other of the vent cover and the vent body opposite the at least a first magnet. The vent cover may pivot to the open position or the closed position through interaction between the at least a first magnet and the at least a second magnet or attractor.