PROTECTIVE HELMET SYSTEM

摘要

A jaw piece (24) is attachable to a base edge (70) of the helmet (22). The jaw piece (24) and a portion of the base edge (70) of the helmet (22) define a user viewing win-dow (42). A first face shield (30) is pivotable between an open position and a closed position extending across the viewing window (42). A seal (34) is provided to engage with a perimeter (40A) of the viewing window (42) when the first face shield (30) is in the closed position. The attaching assembly (78) for attaching the first face shield (30) comprises a helmet cam (96) having first helmet cam surfaces (103) configured to releasably attach the first face shield (30) to the protective helmet system and second helmet cam surfaces (120) configured to releasably attach a second face shield (60) to the protective helmet (22). The attaching assembly (78) generates a first biasing force to bias the seal (34) toward the perimeter of the viewing window (42) when the first face shield (30) is in the closed position and a second biasing force to bias the first face shield (30) away from the jaw piece (24) when in the open position.