| 摘要 |
Device for attaching a pair of spectacles or eye protection screen (20) to headgear (10) or to a rigid head band. The device comprises a first upper hinge pin with its axis being substantially horizontal and parallel to the wearer's forehead, said hinge pin being extended by a telescopic arm formed from a tubular body (30) in which slides a rod (32). The other end of the telescopic arm is connected by means of a second hinge pin (22) to the centre of the pair of spectacles or of the eye protection screen (20). The axis of the second hinge pin is also substantially horizontal and parallel to the wearer's forehead. The device further includes means for temporalily maintaining the open position of the hinge pins and the length and slant of the telescopic arm.
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