| 摘要 |
1530691 Spectacles M F WICHERS 7 Jan 1976 [17 Jan 1975] 00419/76 Heading G2J A spectacle frame comprises a brow bar 3 to which is attached a lens supporting frame 16, and a pair of temple members 4, 5 and is characterized in that the brow bar 3 and temple members have flexible portions 9, 10, 19, 20, 23, 24 of reduced thickness which permit uni-directional bending towards and away from a wearer's head. The frame is intended to contact the wearer's head across the forehead and above the lens. The lens frame 16 is pivotably supported in a bearing fixed to the centre portion 6 of the brow bar 3. Weights in the end portions 25, 26 of the temple members serve to hold the frame in position on the head. As shown, the frame is in an unstressed position. When in use the ends 7, 8 of the brow bar lie at a higher level than the centre portion 6 thereof. Each hinge connection between the front brow bar 3 and a temple member is as shown in Fig. 16, a notch 38 being positioned to slide over a step member 34 during hinging. |
