CA1101394A - Luminaire raising and lowering system - Google Patents
Luminaire raising and lowering systemInfo
- Publication number
- CA1101394A CA1101394A CA286,599A CA286599A CA1101394A CA 1101394 A CA1101394 A CA 1101394A CA 286599 A CA286599 A CA 286599A CA 1101394 A CA1101394 A CA 1101394A
- Authority
- CA
- Canada
- Prior art keywords
- tensile strength
- high tensile
- pulleys
- elongated
- carrier
- 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
Links
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72309976A | 1976-09-14 | 1976-09-14 | |
| US723,099 | 1976-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1101394A true CA1101394A (en) | 1981-05-19 |
Family
ID=24904835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,599A Expired CA1101394A (en) | 1976-09-14 | 1977-09-13 | Luminaire raising and lowering system |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1101394A (Direct) |
| ES (1) | ES462372A1 (Direct) |
| FR (1) | FR2364402A1 (Direct) |
| GB (1) | GB1576261A (Direct) |
| ZA (1) | ZA775412B (Direct) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2500577A1 (fr) * | 1981-02-23 | 1982-08-27 | Gotlibowicz Jean | Dispositif de suspension par fils |
| CN113091007B (zh) * | 2021-04-14 | 2023-05-02 | 河南大朋电子有限公司 | 一种便于检修的环保节能型路灯 |
| CN113503497B (zh) * | 2021-07-14 | 2023-01-17 | 四川华体照明科技股份有限公司 | 一种高灯杆 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE456057C (de) * | 1926-06-16 | 1928-02-14 | Siemens Schuckertwerke G M B H | Lastaufhaengevorrichtung |
| US2089143A (en) * | 1936-03-13 | 1937-08-03 | Severn A White | Elevator cable equalizer |
| DE710997C (de) * | 1939-06-15 | 1941-09-24 | Demag Akt Ges | Mehrseilfoerderung |
| US3035804A (en) * | 1953-03-17 | 1962-05-22 | Wilson Wesley | Fluorescent lighting fixture |
| FR1238615A (fr) * | 1958-10-18 | 1960-08-12 | Gutehoffnungshuette Sterkrade | Dispositif d'équilibrage des câbles pour installations d'extraction multicâbles, notamment installations d'extraction de puits de mines |
| 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 |
-
1977
- 1977-09-08 ZA ZA00775412A patent/ZA775412B/xx unknown
- 1977-09-12 FR FR7727457A patent/FR2364402A1/fr active Granted
- 1977-09-13 CA CA286,599A patent/CA1101394A/en not_active Expired
- 1977-09-13 GB GB38209/77A patent/GB1576261A/en not_active Expired
- 1977-09-14 ES ES462372A patent/ES462372A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA775412B (en) | 1978-07-26 |
| FR2364402A1 (fr) | 1978-04-07 |
| ES462372A1 (es) | 1978-06-01 |
| FR2364402B1 (Direct) | 1984-03-16 |
| GB1576261A (en) | 1980-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |