ES462372A1 - Luminaire raising and lowering system - Google Patents

Luminaire raising and lowering system

Info

Publication number
ES462372A1
ES462372A1 ES462372A ES462372A ES462372A1 ES 462372 A1 ES462372 A1 ES 462372A1 ES 462372 A ES462372 A ES 462372A ES 462372 A ES462372 A ES 462372A ES 462372 A1 ES462372 A1 ES 462372A1
Authority
ES
Spain
Prior art keywords
support
pulleys
raising
lamps
lowering system
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
ES462372A
Other languages
Spanish (es)
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.)
GAR DESIGN RESEARCH
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 ES462372A1 publication Critical patent/ES462372A1/en
Expired 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
    • 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)

Abstract

A system for raising and lowering lamps or the like from the upper parts of hollow posts comprising: (a) support means towards the top of said post including a plurality of pulleys, (b) a support disposed normally adjacent to said means of support, said support including a plurality of lamps or the like and hanging from said support means by a plurality of elongated means of high tensile strength associated respectively with pulleys selected from said pulleys and having its first ends connected to said support. (Machine-translation by Google Translate, not legally binding)
ES462372A 1976-09-14 1977-09-14 Luminaire raising and lowering system Expired ES462372A1 (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
ES462372A1 true ES462372A1 (en) 1978-06-01

Family

ID=24904835

Family Applications (1)

Application Number Title Priority Date Filing Date
ES462372A Expired ES462372A1 (en) 1976-09-14 1977-09-14 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
FR2364402B1 (en) 1984-03-16
CA1101394A (en) 1981-05-19
FR2364402A1 (en) 1978-04-07
GB1576261A (en) 1980-10-08
ZA775412B (en) 1978-07-26

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980202