GB692959A - Improvements in and relating to fixtures for electric lamps - Google Patents

Improvements in and relating to fixtures for electric lamps

Info

Publication number
GB692959A
GB692959A GB4515/51A GB451551A GB692959A GB 692959 A GB692959 A GB 692959A GB 4515/51 A GB4515/51 A GB 4515/51A GB 451551 A GB451551 A GB 451551A GB 692959 A GB692959 A GB 692959A
Authority
GB
United Kingdom
Prior art keywords
chassis
reflector
panels
supported
latches
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
GB4515/51A
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Publication of GB692959A publication Critical patent/GB692959A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

692,959. Electric lamp fittings. SYLVANIA ELECTRIC PRODUCTS, Inc. Feb. 23, 1951 [Feb. 28, 1950], No. 4515/51_ Classes 75(ii) and 75(iv) An electric lamp fixture comprises a chassis 1 having end plates 2 on the inner face of each of which are disposed projecting tabs 15, engaged by a flanged portion or flanged portions 20 of one or more lightcontrolling panel or panels 5. Latches 17 pivotally mounted on the end plates 2 hold the panels 5 in position. Fluorescent lamps 12 are supported by lampholders 6, fastened either to the end plates 2, or, as shown, to the inside faces of and projecting through apertures in the chassis 1. A V-section reflector 3 is supported by spring latches 13 and the plates 2 beneath the chassis 1, and is slotted to receive louvre fins 4 having hooked ends 16 for seating the lower edges of the panels 5. Each fin 4 is locked to the reflector 3 by a tab 14 formed integrally with the fin and deformed after the latter has been positioned in the reflector slot. The reflector 3 may be supported, when access is required to the chassis 1 for maintenance purposes by a pair of chains 18 after it has been disengaged from the latches 13. Specifications 692,960 and 692,961 are referred to.
GB4515/51A 1950-02-28 1951-02-23 Improvements in and relating to fixtures for electric lamps Expired GB692959A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US692959XA 1950-02-28 1950-02-28

Publications (1)

Publication Number Publication Date
GB692959A true GB692959A (en) 1953-06-17

Family

ID=22088019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4515/51A Expired GB692959A (en) 1950-02-28 1951-02-23 Improvements in and relating to fixtures for electric lamps

Country Status (1)

Country Link
GB (1) GB692959A (en)

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