The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2005
Filed:
Apr. 04, 2003
Toyoji Wada, Tokyo, JP;
Takashi Daimaru, Tokyo, JP;
Masahiro Jinbo, Tokyo, JP;
Hoya Corporation, Tokyo, JP;
Abstract
An apparatus for processing a lens comprising a rotating tool for chamfering used for chamfering a peripheral portion of a spectacle lens, the apparatus comprising: a holding shaft supporting the lens and a lens-holding unit that rotates the holding shaft and displaces the lens towards the finishing unit based on data describing a shape of a lens frame and a rotation angle of the holding shaft; and a means for positioning in an axial direction that displaces the lens in an axial direction of the holding shaft; wherein the rotating tool for chamfering includes a rotating tool having a hemispherical shape, wherein a chamfering angle, or a chamfering amount, is set in accordance with a displacement in the axial direction of the means for positioning in an axial direction and a displacement of the lens-holding unit.