GB1463508A - Lens holding devices - Google Patents
Lens holding devicesInfo
- Publication number
- GB1463508A GB1463508A GB764074A GB764074A GB1463508A GB 1463508 A GB1463508 A GB 1463508A GB 764074 A GB764074 A GB 764074A GB 764074 A GB764074 A GB 764074A GB 1463508 A GB1463508 A GB 1463508A
- Authority
- GB
- United Kingdom
- Prior art keywords
- body portion
- lens
- groove
- button
- scale
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/005—Blocking means, chucks or the like; Alignment devices
Abstract
1463508 Grinding lens CURRY & PAXTON SERVICES Ltd 20 Feb 1975 [20 Feb 1974] 7640/74 Heading B3D A lens holding device for use in the manufacture of optical lenses comprises a body portion 14 having a first rear surface adapted to be gripped in the collet 8 of a lens generating machine and a front second surface 18 which is concave and receives in sliding relationship a lens carrier 12 having a rear convex surface 36 complementary to surface 18 and a front second surface 38 provided with means 44 to grip a lens-supporting button 4, the construction and arrangement being such that the lens carrier 12 is slidable with respect to the body portion 14 in arcuate movement about a point X on or substantially on a forwardly extended centre line of the body portion. The rear surface 16 of the body portion projects annularly so as to be gripped by the collet 8, and the front surface 18, which is concave and part spherical, of the body portion has a diametral groove 19. A scale ring 22 is rotatably adjustable on the body portion, has screws 24 engaging a circumferential groove 20, and carries an indicator bar 29. A reduced thickness portion of the body portion is provided with a diametral slot 30 and a prism angle scale 32. The lens carrier rear surface 36 slidably engages surface 18 and the front surface 38 receives the button 4 which is secured by moulded alloy 6 to the lens 2, the button being secured by a screw acting on a clamping ring 44. A recess 46 in the button receives an axis pin 48 urged towards the button by a spring 50 in a radially extending groove 51 in the lens carrier, the groove also receiving a stud 28 secured to the indicator bar 29. An insert 52 projects from the rear surface of the carrier and has a projection 51 engaging the groove 50 and a pin 54 which projects through slot 30 and has a graduation for indication against scale 32. A screw 56 extends through the slot 30 into the insert for locking together the body portion and lens carrier. When screw 56 is loosened, the lens carrier may be tilted in the direction determined by engagement of the stud 28 with the groove 51, the stud being adjusted by rotation of the scale ring 22 and bar 29, the movement or angle of prism be indicated by the index on screw 54 against the graduations on scale 32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB764074A GB1463508A (en) | 1974-02-20 | 1974-02-20 | Lens holding devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB764074A GB1463508A (en) | 1974-02-20 | 1974-02-20 | Lens holding devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1463508A true GB1463508A (en) | 1977-02-02 |
Family
ID=9836983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB764074A Expired GB1463508A (en) | 1974-02-20 | 1974-02-20 | Lens holding devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1463508A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4277916A (en) * | 1980-03-14 | 1981-07-14 | American Optical Corporation | Lens chucking apparatus |
| US4341045A (en) * | 1979-06-04 | 1982-07-27 | Cole National Corporation | Adapter chuck for mounting lens blanks |
| EP0628380A1 (en) * | 1993-06-08 | 1994-12-14 | Menicon Co., Ltd. | Holding device for an ophthalmic lens |
| CN103111630A (en) * | 2013-01-29 | 2013-05-22 | 苏州大学 | Machining method of curved surface prism Fery prism |
| CN103212722A (en) * | 2013-04-17 | 2013-07-24 | 苏州大学 | Method for processing Fery prism |
| CN114846173A (en) * | 2019-11-14 | 2022-08-02 | 赛峰电子与防务公司 | System for attaching optical components |
-
1974
- 1974-02-20 GB GB764074A patent/GB1463508A/en not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341045A (en) * | 1979-06-04 | 1982-07-27 | Cole National Corporation | Adapter chuck for mounting lens blanks |
| US4277916A (en) * | 1980-03-14 | 1981-07-14 | American Optical Corporation | Lens chucking apparatus |
| EP0628380A1 (en) * | 1993-06-08 | 1994-12-14 | Menicon Co., Ltd. | Holding device for an ophthalmic lens |
| US5520078A (en) * | 1993-06-08 | 1996-05-28 | Menicon Co., Ltd. | Holding device for cutting an ophthalmic lens |
| CN103111630A (en) * | 2013-01-29 | 2013-05-22 | 苏州大学 | Machining method of curved surface prism Fery prism |
| CN103111630B (en) * | 2013-01-29 | 2014-12-10 | 苏州大学 | Machining method of curved surface prism Fery prism |
| CN103212722A (en) * | 2013-04-17 | 2013-07-24 | 苏州大学 | Method for processing Fery prism |
| CN103212722B (en) * | 2013-04-17 | 2015-11-18 | 苏州大学 | A kind of processing method of fery's prism |
| CN114846173A (en) * | 2019-11-14 | 2022-08-02 | 赛峰电子与防务公司 | System for attaching optical components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |