ZA775412B - Luminaire raising and lowering system - Google Patents

Luminaire raising and lowering system

Info

Publication number
ZA775412B
ZA775412B ZA00775412A ZA775412A ZA775412B ZA 775412 B ZA775412 B ZA 775412B ZA 00775412 A ZA00775412 A ZA 00775412A ZA 775412 A ZA775412 A ZA 775412A ZA 775412 B ZA775412 B ZA 775412B
Authority
ZA
South Africa
Prior art keywords
lowering system
luminaire
raising
luminaire raising
lowering
Prior art date
Application number
ZA00775412A
Inventor
J Garchinsky
Original Assignee
Gar Design Research
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 Gar Design Research filed Critical Gar Design Research
Publication of ZA775412B publication Critical patent/ZA775412B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Jib Cranes (AREA)
  • Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
ZA00775412A 1976-09-14 1977-09-08 Luminaire raising and lowering system ZA775412B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72309976A 1976-09-14 1976-09-14

Publications (1)

Publication Number Publication Date
ZA775412B true ZA775412B (en) 1978-07-26

Family

ID=24904835

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00775412A ZA775412B (en) 1976-09-14 1977-09-08 Luminaire raising and lowering system

Country Status (5)

Country Link
CA (1) CA1101394A (en)
ES (1) ES462372A1 (en)
FR (1) FR2364402A1 (en)
GB (1) GB1576261A (en)
ZA (1) ZA775412B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500577A1 (en) * 1981-02-23 1982-08-27 Gotlibowicz Jean Cable suspension arrangement for theatrical spotlight - includes two wires with detector sensing relative movement between cable drums in order to brake drums in event of cable breakage
CN113091007B (en) * 2021-04-14 2023-05-02 河南大朋电子有限公司 Environment-friendly energy-saving street lamp convenient to overhaul
CN113503497B (en) * 2021-07-14 2023-01-17 四川华体照明科技股份有限公司 High lamp post

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE456057C (en) * 1926-06-16 1928-02-14 Siemens Schuckertwerke G M B H Load suspension device
US2089143A (en) * 1936-03-13 1937-08-03 Severn A White Elevator cable equalizer
DE710997C (en) * 1939-06-15 1941-09-24 Demag Akt Ges Multi-rope conveyance
US3035804A (en) * 1953-03-17 1962-05-22 Wilson Wesley Fluorescent lighting fixture
FR1238615A (en) * 1958-10-18 1960-08-12 Gutehoffnungshuette Sterkrade Cable balancing device for multi-cable extraction installations, in particular mine shaft extraction installations
US3856639A (en) * 1969-12-15 1974-12-24 Rohm Mfg Co High-level light tower with light lowering device and control system therefor
US3958116A (en) * 1973-09-27 1976-05-18 Jones Clifton E Luminaire ring lowering mechanism
US3949842A (en) * 1975-04-03 1976-04-13 Mogens Kiehn Free fall safety device

Also Published As

Publication number Publication date
ES462372A1 (en) 1978-06-01
CA1101394A (en) 1981-05-19
FR2364402B1 (en) 1984-03-16
GB1576261A (en) 1980-10-08
FR2364402A1 (en) 1978-04-07

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