GB288297A - Improvements in and relating to supporting devices for colour screens, lenses or the like - Google Patents
Improvements in and relating to supporting devices for colour screens, lenses or the likeInfo
- Publication number
- GB288297A GB288297A GB10046/28A GB1004628A GB288297A GB 288297 A GB288297 A GB 288297A GB 10046/28 A GB10046/28 A GB 10046/28A GB 1004628 A GB1004628 A GB 1004628A GB 288297 A GB288297 A GB 288297A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lens
- lenses
- screen
- spring
- colour screens
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
288,297. Scheuchzer, O., (Assignee of Feba Akt.-Ges. der Vereinigten Firmen Dr. Finckh & Eissner). April 5, 1927, [Convention date]. Lens mounts; colour screens.-A mount for lenses, colour screens, &c. consists of a supporting ring a provided internally with a seat a' for the screen or lens, and externally with a groove a<2> in which is placed a spring b. The wall of the ring a is broken away at several points c, permitting the spring to project inwardly to hold the screen or lens resiliently in position against the seat a'. When inserting the screen or lens it is pressed against the spring which is forced outwards and then returns to secure the element in place.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH288297X | 1927-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB288297A true GB288297A (en) | 1928-08-23 |
Family
ID=4486169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10046/28A Expired GB288297A (en) | 1927-04-05 | 1928-04-03 | Improvements in and relating to supporting devices for colour screens, lenses or the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB288297A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2159541A (en) * | 1984-05-30 | 1985-12-04 | Balzers Hochvakuum | A multiple holding device for substrates |
-
1928
- 1928-04-03 GB GB10046/28A patent/GB288297A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2159541A (en) * | 1984-05-30 | 1985-12-04 | Balzers Hochvakuum | A multiple holding device for substrates |
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