Spectacle frame with angularly adjustable temples and means for

Details Spectacle frame with angularly adjustable temples and means for Spectacle frame with angularly adjustable temples and means for

1976-08-02

1978-08-08

Sacher, Paul A.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

351158, 351123, 29278, G02C 514, G02C 504, B25B 2714

Patent

active

041053052

ABSTRACT:
The spectacle frame includes a frontal lens support incorporating a nose bridge, a pair of temples, and hinges connecting each temple to an outer end of the lens support. A blind bore or socket is formed in either the lens support or the temple at at least one outer end of the lens support. A sleeve assembly, including an internally threaded sleeve and an externally threaded adjusting rotor member, is inserted in each socket. The adjusting rotor member has an outer end engaging the other of the lens support and the temple. The sleeve has a length less than the depth of the associated socket, and is formed with a flange on its outer end limiting forcing of the sleeve into the socket, under pressure, to a depth in which the flange is flush with the surface of the lens support or temple in which the bore or socket is formed. The adjusting member has a stop at its inner end preventing displacement from the sleeve, and is formed with a notched or knurled operating head particularly configured for operative association with tools for assembling the rotor in the sleeve and inserting the adjusting assembly in the socket. In a modification, the rotor member is threadedly engaged in an internally threaded aperture in a plate portion of a half hinge, the internally threaded aperture being axially aligned with a socket.

REFERENCES:
patent: 1509121 (1924-09-01), Willoughby
patent: 2426857 (1947-09-01), Birkenmaier
patent: 2860535 (1958-11-01), Fowler
patent: 3193857 (1965-07-01), Kahn
patent: 3874775 (1975-04-01), Lazarus

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