Device for releasably fastening the visor to the shell of a, particularly motorcycling, crash-helmet

摘要

Device for fastening/unfastening the visor (105) from the cap (107) of a helmet (101) of the type with front opening (106) and two side devices (102) for rotating the visor (105) from an operative position of interception of the front opening (106) to a raised position of the visor (105) itself, comprising, for each rotating device (102), an elastic cursor (3) fitted in such a way that it can be turned and can slide axially in a seat in the same rotation device (102). This elastic cursor (3), in its relative movement with respect to the seat, can translate from an engaged to a disengaged position with a retaining hole (104) made in a rear end (103) of the visor (105). The device further comprises means for allowing the axial sliding of the elastic cursor (3) with respect to the seat exclusively in one or more predefined angular positions assumed by the same cursor with respect to the seat. <IMAGE>