Spherometer

Details Spherometer Spherometer

1990-07-30

1992-07-21

Cuchlinski, Jr., William A.

Geometrical instruments

Gauge

Lens

33551, 33568, 33570, 33833, G01B 522

Patent

active

051311593

ABSTRACT:
A spherometer for measuring the radius of curvature of 1 lens is disclosed. The spherometer comprises a spherometer ring having an annular portion or a part of an annular portion, a measuring member coaxially secured to the spherometer ring, a supporting member for supporting the spherometer ring, and a tilt facilitating member interposed between the spherometer ring and the ring supporting member.

REFERENCES:
patent: 1921508 (1933-08-01), Dawson
patent: 2807982 (1957-10-01), McLeod
patent: 3848339 (1974-11-01), Strasbaugh
patent: 3861048 (1975-01-01), Thompson
patent: 4205452 (1980-06-01), Wichterle et al.
patent: 4330203 (1982-05-01), Oppenheim et al.
patent: 4403420 (1983-09-01), Rarick
patent: 4674190 (1987-06-01), Tusinski et al.
patent: 4676004 (1987-06-01), Nakamura et al.

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