Measuring instrument for establishing the angle of tilt of a...

Details Measuring instrument for establishing the angle of tilt of a... Measuring instrument for establishing the angle of tilt of a...

2005-08-30

2005-08-30

Gutierrez, Diego (Department: 2859)

Geometrical instruments

Gauge

Spectacle

C033S507000, C033S028000, C033S471000, C033S488000

Reexamination Certificate

active

06935033

ABSTRACT:
A measurement instrument for establishing an angle by which each lens-mounting rim of a spectacles frame having two lens-mounting rims joined by a spectacles bridge is tilted in a horizontal plane in front of an eye of a spectacles wearer comprises a supporting plate onto which a spectacles frame can be positioned with the upper or lower outside edges of the lens-mounting rims downward; a marking line on the surface of the supporting plate for alignment of the spectacles frame; and at least one adjustable means permitting measurement of an angle between an imaginary line connecting a nasal and a temporary edge of a lens-mounting rim and the marking line.

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Johannes Eber, Anatomische Brillenanpassung Sonderdruck einer Fortsetzungsserie aus “Deutsche Optikerzeitung” 1987, 19 Pages.

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