| 摘要 |
The device (FIG. 2) comprises a plaque (14), which presents at its ends, on the one side, a hook (18) and, on the other side, an aperture (12) in which is placed the throatband (C). The end, shaped as a hook (18), of the plaque is engaged with a cross piece (22), which comprises two parallel apertures (25) provided in a ledge (A1) of the wall of the helmet (A). The plaque (14), in proximity of the hook (18), presents a hole (20) in which is engaged an appendix (30) of a cover (26), which closes the ledge (A1) of the wall of the helmet. |
