| 摘要 |
It is proposed to embed in a saddle-shaped spectacle bridge made of silicone and provided with two wings, a cross member connecting the wings, respectively one spectacle rim groove in the frontal external longitudinal zone of the wings-the groove having a bottom surface and a rear surface which is approximately vertical thereto-and with a fastening hole which is provided in the cross member from the front thereof a metal spring, whose cross-section extends in the shape of a bell, with the cross piece thereof in the cross head and to provide the two legs thereof, which have a curvature to the outside, in a wing each as a ridge, the untensioned position of the spring having a greater dimension of expansion than corresponds to the position of use of the saddle-shaped bridge and the spring being arranged behind the groove.
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