Assembling structure for assembling a fit-on spectacle frame wit

Details Assembling structure for assembling a fit-on spectacle frame wit Assembling structure for assembling a fit-on spectacle frame wit

1998-06-11

1999-08-17

Dang, Hung Xuan

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 57, G02C 900

Patent

active

059401621

ABSTRACT:
An assembling structure for assembling a fit-on spectacle frame with an original spectacle frame. Rectangular magnets with very small volume are inserted in rectangular sockets of the bridges of the original spectacle frame and fit-on spectacle frame. The magnets are aligned with each other and magnetic attracted by each other. After the fit-on spectacle frame is assembled with the original spectacle frame, the appearance of the spectacles remains unchanged. The bridge of the original spectacle frame is formed with a locating hole, while the bridge of the fit-on spectacle frame is formed with a projecting locating pin, whereby the fit-on spectacle frame can be more accurately located and more firmly assembled with the original spectacle frame without detachment.

REFERENCES:
patent: 5737054 (1998-04-01), Chao

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