| 摘要 |
Hinge to connect the legs (14) and frame (12) of a pair of spectacles, in which the frame (11-12) comprises a connecting pivot (15) and cam means while the leg (14) comprises at least resilient resisting cylinder means (1718) and seating means (19), the resilient resisting cylinder means (17) including at their forward end a surface with an inclined plane (20) together with a lateral extension forming an abutment tooth (21), the cam means associated with the frame (11-12) including two surfaces (16a-16b) formed as inclined planes at an angle to each other and at an angle to the plane containing the lengthwise axis of sliding of the cylinder means (17). |
