| 摘要 |
PCT No. PCT/GB91/01418 Sec. 371 Date Feb. 2, 1993 Sec. 102(e) Date Feb. 2, 1993 PCT Filed Aug. 21, 1991 PCT Pub. No. WO92/03756 PCT Pub. Date Mar. 5, 1992.A visor 10 for mounting video display units and/or earphones on the head has a U-shaped retaining element 16 pivoted thereto about a transverse axis X', whereby the retaining element 16 can be raised to facilitate donning and doffing the visor 10 or lowered to engage the occipital region of the head to keep the visor in position. The retaining element 16 may commonly rotate about axis X' with an arch-shaped manifold 13. Preferably, the retaining element 13 is articulated to axis x' by links 15 and recesses 19 are preferably provided on opposite sides of the visor 10 to receive the folded links 15 and arms 18 of the retaining element 16 when the latter is fully lowered. In this position, the manifold 13 rests on top of the arms 18 of the retaining element 16. |
