Lens grinding apparatus for grinding an eyeglass lens from a plu

Details Lens grinding apparatus for grinding an eyeglass lens from a plu Lens grinding apparatus for grinding an eyeglass lens from a plu

1996-07-12

1998-02-10

Rose, Robert A.

Abrading

Precision device or process - or with condition responsive...

Computer controlled

451 43, 451210, B24B 914

Patent

active

057162565

ABSTRACT:
A subject lens is held by two chuck shafts, which are rotated synchronously by pulse motors during a grinding operation. A group of grinding wheels are mounted on each of rotary shafts of right and left lens grinding parts. The rotary shafts are disposed on opposite sides of the chuck shafts. A desired grinding wheel for each processing is selected by moving the rotary shaft vertically. To grind the subject lens, the rotary shafts are moved independently by pulse motors toward the rotation axis of the chuck shafts based on lens frame shape data in the case of rough processing.

REFERENCES:
patent: 1521116 (1924-12-01), Miller
patent: 2612734 (1952-10-01), Taig
patent: 2685153 (1954-08-01), Ellis
patent: 2748541 (1956-06-01), Connell
patent: 3158967 (1964-12-01), Reaser
patent: 4766699 (1988-08-01), Gottschald et al.
patent: 5228242 (1993-07-01), Matsuyama
patent: 5333412 (1994-08-01), Matsuyama
patent: 5347762 (1994-09-01), Shibata et al.

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