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 like

Info

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
Application number
GB10046/28A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB288297A publication Critical patent/GB288297A/en
Expired legal-status Critical Current

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.
GB10046/28A 1927-04-05 1928-04-03 Improvements in and relating to supporting devices for colour screens, lenses or the like Expired GB288297A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2159541A (en) * 1984-05-30 1985-12-04 Balzers Hochvakuum A multiple holding device for substrates

Cited By (1)

* Cited by examiner, † Cited by third party
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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