GB641883A - Improvements in or relating to lamp holders - Google Patents

Improvements in or relating to lamp holders

Info

Publication number
GB641883A
GB641883A GB24001/46A GB2400146A GB641883A GB 641883 A GB641883 A GB 641883A GB 24001/46 A GB24001/46 A GB 24001/46A GB 2400146 A GB2400146 A GB 2400146A GB 641883 A GB641883 A GB 641883A
Authority
GB
United Kingdom
Prior art keywords
lamp holder
relating
lamp holders
ridges
plate
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
GB24001/46A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB641883A publication Critical patent/GB641883A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/06Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05Two-pole devices
    • H01R33/22Two-pole devices for screw type base, e.g. for lamp

Landscapes

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

Abstract

641,883. Lamp holders. PHILIPS LAMPS, Ltd. Aug. 13, 1946, No. 24001. Convention date, Nov. 5, 1942. [Class 38 (i)] A lamp holder 1 consists of insulating material with one or more ridges 3, arranged externally on the bottom of the lamp holder. That part of the bottom not provided with ridges 3 is provided with an aperture 4 for a screw which secures the lamp holder on a plate 5, provided with an aperture corresponding in shape with that of the ridge 3. A protective cap may be used to cover the bottom of the lamp holder, the fastening screw passing into the cap through the lamp holder and plate 5 (Fig. 3, not shown).
GB24001/46A 1942-11-05 1946-08-13 Improvements in or relating to lamp holders Expired GB641883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL641883X 1942-11-05

Publications (1)

Publication Number Publication Date
GB641883A true GB641883A (en) 1950-08-23

Family

ID=19791795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24001/46A Expired GB641883A (en) 1942-11-05 1946-08-13 Improvements in or relating to lamp holders

Country Status (1)

Country Link
GB (1) GB641883A (en)

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