Cutter for cutting and grinding optical lens in a single...

Details Cutter for cutting and grinding optical lens in a single... Cutter for cutting and grinding optical lens in a single...

2006-03-21

2006-03-21

Nguyen, George (Department: 3723)

Abrading

Machine

Combined

C451S070000, C451S066000, C451S069000, C451S461000

Reexamination Certificate

active

07014542

ABSTRACT:
A cutter foe making optical lenses has a main member with a connector base and a grinding assembly at an opposite ends thereof. The grinding assembly has two fixed devices having a cutting portion at a distal end thereof respectively and two movable devices having a grinding portion at a distal end thereof respectively. The grinding portions are finer than the cutting portions. An elastic member has opposite ends resting on the main member and the movable device to urge the movable device for movement along an axial orientation of the main member. A key is provided between the movable device and the main member to restrict the movable device from movement, whereby the grinding portion of the movable device is higher than the cutting portions of the fixed devices by the elastic member urging the movable device outward and the key fixing the movable device thereat.

REFERENCES:
patent: 4843766 (1989-07-01), Umeda
patent: 6336849 (2002-01-01), Konnemann
patent: 6905398 (2005-06-01), Jeong

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