ZA767580B - Portable electric lamp - Google Patents

Portable electric lamp

Info

Publication number
ZA767580B
ZA767580B ZA00767580A ZA767580A ZA767580B ZA 767580 B ZA767580 B ZA 767580B ZA 00767580 A ZA00767580 A ZA 00767580A ZA 767580 A ZA767580 A ZA 767580A ZA 767580 B ZA767580 B ZA 767580B
Authority
ZA
South Africa
Prior art keywords
portable electric
electric lamp
lamp
portable
electric
Prior art date
Application number
ZA00767580A
Inventor
H Morton
Original Assignee
Oldham & Son Ltd
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 Oldham & Son Ltd filed Critical Oldham & Son Ltd
Publication of ZA767580B publication Critical patent/ZA767580B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L14/00—Electric lighting devices without a self-contained power source, e.g. for mains connection
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/12—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures of slot type
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • F21V14/085—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters in portable lighting devices
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
ZA00767580A 1975-12-22 1976-12-21 Portable electric lamp ZA767580B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB52385/75A GB1508220A (en) 1975-12-22 1975-12-22 Portable electric lamp

Publications (1)

Publication Number Publication Date
ZA767580B true ZA767580B (en) 1978-08-30

Family

ID=10463731

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00767580A ZA767580B (en) 1975-12-22 1976-12-21 Portable electric lamp

Country Status (6)

Country Link
AU (1) AU501154B2 (en)
CA (1) CA1071602A (en)
DE (1) DE2655760A1 (en)
FR (1) FR2336629A1 (en)
GB (1) GB1508220A (en)
ZA (1) ZA767580B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513313A1 (en) * 1985-04-13 1986-10-23 CEAG Licht- und Stromversorgungstechnik GmbH, 6800 Mannheim A portable hand-held lamp
DE4204673A1 (en) * 1992-02-17 1993-08-19 Abb Patent Gmbh Flameproof battery operated hand-lamp with auxiliary light source - has auxiliary lamp behind small aperture in main reflector and ellipsoidal reflector for projecting conical auxiliary beam
FR2708714B1 (en) * 1993-08-03 1995-09-08 Zedel Electric lighting lamp with bright double focus.
FR2988159B1 (en) * 2012-03-14 2014-03-28 Zedel PORTABLE ELECTRICAL LAMP WITH COMPACT HOUSING COMPRISING A LIGHTING MODULE CONTROLLED BY A ROTARY ACTUATOR

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1005463B (en) * 1952-08-27 1957-04-04 Alfred Paul Emil Letsch Dimming device for motor vehicle headlights
GB873422A (en) * 1960-02-15 1961-07-26 Koehler Mfg Co Improvements in or relating to portable electric lamps

Also Published As

Publication number Publication date
DE2655760A1 (en) 1977-06-30
GB1508220A (en) 1978-04-19
CA1071602A (en) 1980-02-12
AU1957376A (en) 1978-05-18
AU501154B2 (en) 1979-06-14
FR2336629A1 (en) 1977-07-22

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