Apparatus for processing a lens

Details Apparatus for processing a lens Apparatus for processing a lens

2005-02-22

2005-02-22

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Lens

With support

C451S042000, C451S043000

Reexamination Certificate

active

06859336

ABSTRACT:
An apparatus for processing a lens including a displaceable lens-holding unit comprising a holding shaft that holds the lens, and a means for detecting a rotation angle of the holding shaft; a means for processing a peripheral portion of the lens; an elevating and lowering unit that holds the lens-holding unit, wherein the elevating and lowering unit displaces to a first position in a vertical direction in accordance with a processing amount; wherein, when the lens-holding unit is lowered until the lens contacts the means for processing, the elevating and lowering unit is separate from the lens-holding unit, wherein the lens-holding unit is further lowered to the first position in the vertical direction in accordance with the processing amount, and the lens-holding unit presses the lens to the means for processing under a load determined in accordance with a weight of the lens-holding unit.

REFERENCES:
patent: 4928439 (1990-05-01), Ramos et al.
patent: 5053971 (1991-10-01), Wood et al.
patent: 196 32 340 (1998-02-01), None
patent: 1 310 326 (2003-05-01), None
patent: 6047656 (1994-02-01), None
patent: 2002018686 (2002-01-01), None
European Search Report, completed Aug. 5, 2004.

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