CA987282A - Light - Google Patents

Light

Info

Publication number
CA987282A
CA987282A CA144,739A CA144739A CA987282A CA 987282 A CA987282 A CA 987282A CA 144739 A CA144739 A CA 144739A CA 987282 A CA987282 A CA 987282A
Authority
CA
Canada
Prior art keywords
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.)
Expired
Application number
CA144,739A
Other languages
French (fr)
Other versions
CA144739S (en
Inventor
Robert D. Zeller
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.)
Holophane Corp
Original Assignee
Holophane Corp
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 Holophane Corp filed Critical Holophane Corp
Application granted granted Critical
Publication of CA987282A publication Critical patent/CA987282A/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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CA144,739A 1971-06-18 1972-06-14 Light Expired CA987282A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15432271A 1971-06-18 1971-06-18

Publications (1)

Publication Number Publication Date
CA987282A true CA987282A (en) 1976-04-13

Family

ID=22550887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA144,739A Expired CA987282A (en) 1971-06-18 1972-06-14 Light

Country Status (2)

Country Link
US (1) US3721816A (en)
CA (1) CA987282A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA727861B (en) * 1972-11-06 1974-02-27 C Boemer Automatic locking of high-level luminairs
AU567035B2 (en) * 1983-07-11 1987-11-05 Jones, William Edward Improvements in lighting assemblies
EP0148254A1 (en) * 1983-07-11 1985-07-17 JONES, William Edward Improvements in lighting assemblies
US5975726A (en) * 1997-09-19 1999-11-02 Quality Lighting High mast lighting system
US20080003077A1 (en) * 2005-01-06 2008-01-03 Anderson Ormand G Latch assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US504082A (en) * 1893-08-29 Hanger for electric lights
US1042150A (en) * 1909-04-05 1912-10-22 Albert Scheible Supporting mechanism.
US1139138A (en) * 1912-10-15 1915-05-11 Willy Schmidt Device for relieving the pull on the rope for coupling devices for electric conductors.
US1967124A (en) * 1933-01-04 1934-07-17 Utilities Service Company Inc Supporting hanger
FR1274626A (en) * 1960-09-15 1961-10-27 Sncf Socket for high-rise lighting fixtures
GB1189409A (en) * 1968-03-27 1970-04-29 London Electric Firm Ltd Suspension Gear for Lanterns

Also Published As

Publication number Publication date
US3721816A (en) 1973-03-20

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