Polisher-finer apparatus

Details Polisher-finer apparatus Polisher-finer apparatus

1980-06-24

1982-03-23

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51157, B24B 700

Patent

active

043205992

ABSTRACT:
An apparatus for finishing toric surfaces of ophthalmic lenses. The apparatus includes a frame and a first assembly for providing an orbital, break-up motion to a lapping tool having a polishing surface of a selected base curve and cross curve. A second assembly is also mounted upon the frame for providing an orbital, break-up motion to a lens to be finished. Adjustment means are provided for selectively adjusting the amplitude of the orbital, break-up motion of both the lapping tool and the lens.

REFERENCES:
patent: 2381449 (1945-08-01), Holman
patent: 3732647 (1973-05-01), Stith
patent: 4135333 (1979-01-01), Stith
patent: 4277915 (1981-07-01), Hausermann

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