ZA727861B - Automatic locking of high-level luminairs - Google Patents

Automatic locking of high-level luminairs

Info

Publication number
ZA727861B
ZA727861B ZA727861A ZA727861A ZA727861B ZA 727861 B ZA727861 B ZA 727861B ZA 727861 A ZA727861 A ZA 727861A ZA 727861 A ZA727861 A ZA 727861A ZA 727861 B ZA727861 B ZA 727861B
Authority
ZA
South Africa
Prior art keywords
luminairs
level
automatic locking
locking
automatic
Prior art date
Application number
ZA727861A
Inventor
C Boemer
Original Assignee
C Boemer
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 C Boemer filed Critical C Boemer
Priority to ZA727861A priority Critical patent/ZA727861B/en
Priority to US411215A priority patent/US3862744A/en
Priority to GB5086473A priority patent/GB1447383A/en
Publication of ZA727861B publication Critical patent/ZA727861B/en

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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/36—Hoisting or lowering devices, e.g. for maintenance
    • F21V21/38—Hoisting or lowering devices, e.g. for maintenance with a cable
ZA727861A 1972-11-06 1972-11-06 Automatic locking of high-level luminairs ZA727861B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ZA727861A ZA727861B (en) 1972-11-06 1972-11-06 Automatic locking of high-level luminairs
US411215A US3862744A (en) 1972-11-06 1973-10-31 Automatic locking of high-level luminaires
GB5086473A GB1447383A (en) 1972-11-06 1973-11-01 Automatic locking of high-level luminairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA727861A ZA727861B (en) 1972-11-06 1972-11-06 Automatic locking of high-level luminairs

Publications (1)

Publication Number Publication Date
ZA727861B true ZA727861B (en) 1974-02-27

Family

ID=25565576

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA727861A ZA727861B (en) 1972-11-06 1972-11-06 Automatic locking of high-level luminairs

Country Status (3)

Country Link
US (1) US3862744A (en)
GB (1) GB1447383A (en)
ZA (1) ZA727861B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001573A (en) * 1975-03-17 1977-01-04 Roger Derasp Lighting pole
EP0148254A1 (en) * 1983-07-11 1985-07-17 JONES, William Edward Improvements in lighting assemblies
AU567035B2 (en) * 1983-07-11 1987-11-05 Jones, William Edward Improvements in lighting assemblies
FR2617947B1 (en) * 1987-07-09 1991-10-04 Fontena Ateliers Const LIGHTWEIGHT STRUCTURE FOR SLIDING LIGHTING ON A MAT
GB2211540A (en) * 1987-08-27 1989-07-05 Hunter Douglas Ind Bv Latch for blind
FR2692340A1 (en) * 1992-06-15 1993-12-17 Tipco Sarl Lighting standard assembly with movable lighting installation - comprises fixed hollow vertical mast, enclosing cable and pulley system for adjustably suspending lighting support arms from top of mast
CN104406111A (en) * 2014-10-20 2015-03-11 昆山博文照明科技有限公司 Umbrella-shaped lamp panel lifting-type high-pole lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US504082A (en) * 1893-08-29 Hanger for electric lights
US3670159A (en) * 1970-05-13 1972-06-13 Paul A Millerbernd High level light pale including means for lowering lights for servicing
US3721816A (en) * 1971-06-18 1973-03-20 Holophane Co Inc Luminaire

Also Published As

Publication number Publication date
US3862744A (en) 1975-01-28
GB1447383A (en) 1976-08-25

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