| 摘要 |
PROBLEM TO BE SOLVED: To provide a front frame replacement mechanism in spectacles which is quickly attached and detached with a simple operation and having no risk such that the attached front frame solidly and stably connected to the spectacle is dislocated.SOLUTION: A front frame replacement mechanism in a spectacle includes: a front frame to be installed with lens; and a front base member constituting a front upper cord part of a spectacle by supporting the front frame. Both ends of the front base member are provided with a spectacle having a pair of temples, and a central part of the front base member can be elastically opened and closed, and the opening/closing surface has a sandwiching part provided with an engagement part. The front base member is formed with a fitting groove along an inner peripheral portion of an undersurface, and an abutting part of the left and right end parts of the fitting groove is opened with a socket hole. The front frame has a rim frame body for wrapping-holding a pair of left and right lenses, and the left and right both end parts of the rim frame body are provided with an angle (horn) part, and a bridge that connects the left and right rim frame bodies is formed with a hook part.SELECTED DRAWING: Figure 1 |
