| 摘要 |
The elastic hinge comprises a box (9) solid with the temple (1) of the eyeglasses, this box containing a part (8) carrying a knuckle (6) and sliding in the box (9) against the action of a spring (11). This spring receives stationary support against a part (12) which is made solid with the box (9) by a ball (14) engaged in a hole (15) of this ball and in a recess (16) of the box. The ball is held in position by a screw (17) which is accessible only in the folded position of the temple.
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