Lathe for making contact lenses

Details Lathe for making contact lenses Lathe for making contact lenses

1977-05-05

1979-01-16

Vlachos, Leonidas

Turning

Axial pattern

82 12, 51 58, B23B 328, B23B 540

Patent

active

041343158

ABSTRACT:
A lathe for forming contact lenses in a single cut includes a support member for hingedly mounting the tool holder turret. A lever arm extends from the tool holder turret and perpendicular to the rotational axis thereof for supporting two rollers, the first of which is positioned at the free end of the lever arm and the second of which is positioned intermediate the first roller and the axis of rotation of the turret. There is also provided a circular cam having a rising profile on which the first roller rides.

REFERENCES:
patent: 3106857 (1963-10-01), Langenberg et al.
patent: 3835588 (1974-09-01), Whithan
patent: 3909982 (1975-10-01), Schlotfeldt
patent: 3977279 (1976-08-01), Hooker

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