Device for connecting lugs on metal rim of spectacle frame

Details Device for connecting lugs on metal rim of spectacle frame Device for connecting lugs on metal rim of spectacle frame

1979-11-13

1981-03-17

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Split rim mounting

2426, 2 13, G02C 104

Patent

active

042563879

ABSTRACT:
A lug connecting device for a metal rim of a spectacle frame comprising a first lug formed on the rim and having a horizontal slit, a pin fixed to the first lug, a second lug on the rim and adjacent the first lug, a tie plate having an attaching portion inserted in the horizontal slit and a plate spring portion extending alongside the lugs, a bore formed in the second lug and having the pin fitted therein, and a stop provided on the second lug and engaged in an aperture formed in the plate spring portion, the plate spring portion being elastically deformable with torsion of the rim.

REFERENCES:
patent: 1341503 (1920-05-01), Goldfaden
patent: 3609018 (1971-09-01), Marolla
patent: 3811757 (1974-05-01), Guillet et al.
patent: 3824006 (1974-07-01), Voit
patent: 4153347 (1979-05-01), Myer

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