Apparatus for cutting ocular lens materials

Details Apparatus for cutting ocular lens materials Apparatus for cutting ocular lens materials

1992-10-08

1994-02-08

Eley, Timothy V.

Chucks or sockets

Socket type

Resilient split socket

279 51, 279 58, B23B 3120

Patent

active

052843483

ABSTRACT:
An apparatus for cutting ocular lens materials is disclosed which includes a rotating drive unit, a chuck for holding the lens material, a main shaft for transmitting a rotational force from the rotating drive unit to the chuck, and a coupling for supporting the main shaft and the chuck in a freely rotatable way; the chuck comprising finger members that are normally urged toward the side where they are closed and a cylinder portion for operation in such a way as to open the finger members; the chuck and the main shaft being connected concentrically; a passageway being provided for applying a working pressure from outside to the cylinder portion.

REFERENCES:
patent: 1180355 (1916-04-01), White
patent: 2500383 (1950-03-01), Sadler et al.
patent: 3521894 (1970-07-01), Haviland et al.
patent: 3790182 (1974-02-01), Schuman
patent: 4790699 (1988-12-01), Ringel

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