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1. US20140120810 - High precision rigid gas-permeable contact lens edge curve polishing lathe

Office
United States of America
Application Number 14130374
Application Date 22.07.2011
Publication Number 20140120810
Publication Date 01.05.2014
Grant Number 09434042
Grant Date 06.09.2016
Publication Kind B2
IPC
B24B 49/00
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
49Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
B24B 9/14
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
9Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
02characterised by a special design with respect to properties of materials specific to articles to be ground
06of non-metallic inorganic material, e.g. stone, ceramics, porcelain
08of glass
14of optical work, e.g. lenses, prisms
B24B 13/005
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
13Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
005Blocking means, chucks or the like; Alignment devices
B24B 13/00
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
13Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
B24B 27/00
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
27Other grinding machines or devices
CPC
B24B 9/14
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
9Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
02characterised by a special design with respect to properties of materials specific to articles to be ground
06of non-metallic inorganic material, e.g. stone, ceramics, porcelain
08of glass
14of optical work, e.g. lenses, prisms
B24B 9/142
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
9Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
02characterised by a special design with respect to properties of materials specific to articles to be ground
06of non-metallic inorganic material, e.g. stone, ceramics, porcelain
08of glass
14of optical work, e.g. lenses, prisms
142for contact lenses
B24B 9/146
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
9Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
02characterised by a special design with respect to properties of materials specific to articles to be ground
06of non-metallic inorganic material, e.g. stone, ceramics, porcelain
08of glass
14of optical work, e.g. lenses, prisms
146Accessories, e.g. lens mounting devices
B24B 13/0025
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
13Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
0025for contact lenses
B24B 27/0076
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
27Other grinding machines or devices
0076grinding machines comprising two or more grinding tools
B24B 49/00
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
49Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
Applicants Hao Chen
Wenzhou Medical University
Jun Jiang
Wenzhou FocuSee Vision Care Technologies Co., Ltd.
Doke Atsuhiro
Menicon Co., Ltd.
Ying Shi
Changru Cai
Inventors Hao Chen
Jun Jiang
Doke Atsuhiro
Ying Shi
Changru Cai
Agents Osha • Liang LLP
Title
(EN) High precision rigid gas-permeable contact lens edge curve polishing lathe
Abstract
(EN)

A high precision rigid gas-permeable contact lens edge curve polishing lathe includes a base provided at the bottom of a machine body. A first crank and a second crank are respectively provided on two sides of the base. A detent mechanism is provided on both the first crank and the second crank. The detent mechanism includes an ejector pin matching the rotational direction of the first crank and the second crank and a numerical display unit revealing the position of the ejector pin. The contact position of a polishing sponge on a spindle of the polishing lathe and a lens can be precisely positioned through numerical reading, realizing quantized control of the polishing of a lens edge, and enabling improvement and modification to the design of the lens edge to become simpler.

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