Title:
レンズブロッカー
Document Type and Number:
Japanese Patent JP7022842
Kind Code:
B2
Abstract:
Disclosed is a lens blocker for attaching a leap block to a machining center of a blank lens to be machined in order to craft an eyeglass lens. The lens blocker comprises: a drive cam (30) of a cylindrical shape having a blocker arm guide groove (32) formed therein; a blocker arm (40) coupled to the drive cam (30) to be movable up and down along the drive cam (30) or to be rotatable about the drive cam (30), and having a blocker arm guide (42) formed at one end thereof, wherein the blocker arm guide (42) is inserted into the blocker arm guide groove (32) of the drive cam 30 and moves along the blocker arm guide groove (32), so as to cause the blocker arm (40) to move up and down along the drive cam (30) or to rotate about the drive cam (30); a leap block mount (50), to which a leap block to be attached to a blank lens is mounted and which is coupled to the other end of the blocker arm (40); a blocker arm base (60) configured to move the blocker arm (40) up and down along the drive cam (30); and a lens mount (70) onto which the blank lens, to which the leap block is to be attached, is mounted.
Inventors:
Kyung Byung Woo
Application Number:
JP2020549531A
Publication Date:
February 18, 2022
Filing Date:
November 28, 2018
Export Citation:
Assignee:
HUVITZ CO.,LTD.
International Classes:
B24B9/14; B24B41/06; G02C13/00
Domestic Patent References:
| JP2007275998A | ||||
| JP2014004677A | ||||
| JP2000155296A | ||||
| JP2004287208A | ||||
| JP55151488U | ||||
| JP2002037452A |
Foreign References:
| EP0409760A1 |
Attorney, Agent or Firm:
Kenjiro Yamaguchi
Kenichi Morita
Kenichi Morita