FR2275729A1 - Grille-type light diffuser - has U-section bars with parallel slots at intersection points - Google Patents

Grille-type light diffuser - has U-section bars with parallel slots at intersection points

Info

Publication number
FR2275729A1
FR2275729A1 FR7517343A FR7517343A FR2275729A1 FR 2275729 A1 FR2275729 A1 FR 2275729A1 FR 7517343 A FR7517343 A FR 7517343A FR 7517343 A FR7517343 A FR 7517343A FR 2275729 A1 FR2275729 A1 FR 2275729A1
Authority
FR
France
Prior art keywords
bars
intersection points
grille
slots
type light
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.)
Granted
Application number
FR7517343A
Other languages
French (fr)
Other versions
FR2275729B3 (en
Inventor
Trotschler Johann
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.)
Durlum Leuchten GmbH Lichttechnische Spezialfabrik
Original Assignee
Durlum Leuchten GmbH Lichttechnische Spezialfabrik
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 Durlum Leuchten GmbH Lichttechnische Spezialfabrik filed Critical Durlum Leuchten GmbH Lichttechnische Spezialfabrik
Publication of FR2275729A1 publication Critical patent/FR2275729A1/en
Application granted granted Critical
Publication of FR2275729B3 publication Critical patent/FR2275729B3/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs

Abstract

The intersecting bars are slotted together, the assembly being particularly for use in a patter of large squares. One or more of the bars, all of which are of U-section, has two parallel slots in it at the intersection points and running across it. The width of these slots is the same as the distance between the arms of the U-section intersecting bars. The slots in the lengthwise bars can be open at the top, and those in the transverse bars open at the bottom. The tongues formed between the two slots at an intersection point can have a drilling or an eyelet hole by which they are mounted.
FR7517343A 1974-05-28 1975-05-27 Grille-type light diffuser - has U-section bars with parallel slots at intersection points Granted FR2275729A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742425874 DE2425874A1 (en) 1974-05-28 1974-05-28 GRID LIGHT SHIELDING

Publications (2)

Publication Number Publication Date
FR2275729A1 true FR2275729A1 (en) 1976-01-16
FR2275729B3 FR2275729B3 (en) 1978-12-29

Family

ID=5916722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517343A Granted FR2275729A1 (en) 1974-05-28 1975-05-27 Grille-type light diffuser - has U-section bars with parallel slots at intersection points

Country Status (3)

Country Link
BE (1) BE829457A (en)
DE (1) DE2425874A1 (en)
FR (1) FR2275729A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10322779A1 (en) * 2003-05-19 2005-01-05 Trilux-Lenze Gmbh + Co Kg Electrical lighting unit has a pattern of elements formed by laminate elements set into a reflector frame having output regions

Also Published As

Publication number Publication date
FR2275729B3 (en) 1978-12-29
DE2425874A1 (en) 1976-02-05
BE829457A (en) 1975-09-15

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