GB642512A - Improvements relating to electric light units - Google Patents

Improvements relating to electric light units

Info

Publication number
GB642512A
GB642512A GB2564548A GB2564548A GB642512A GB 642512 A GB642512 A GB 642512A GB 2564548 A GB2564548 A GB 2564548A GB 2564548 A GB2564548 A GB 2564548A GB 642512 A GB642512 A GB 642512A
Authority
GB
United Kingdom
Prior art keywords
fitting
electric light
improvements relating
light units
globe
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
GB2564548A
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.)
Victor Products Wallsend Ltd
Victor Products Ltd
Original Assignee
Victor Products Wallsend Ltd
Victor Products 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 Victor Products Wallsend Ltd, Victor Products Ltd filed Critical Victor Products Wallsend Ltd
Priority to GB2564548A priority Critical patent/GB642512A/en
Publication of GB642512A publication Critical patent/GB642512A/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
    • F21V15/00Protecting lighting devices from damage
    • F21V15/04Resilient mountings, e.g. shock absorbers 

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

642,512. Portable lamps. VICTOR PRODUCTS (WALLSEND), Ltd., and MANN, R. W. Oct. 1, 1948, No. 25645 [Classes 75(iii) and 75(iv)] In a lamp fitting suitable for use in coal mines the lamp bulb D is held between the turns of a helical spring K compressed against seatings formed inside the fitting. The bulb is enclosed by a globe E cemented to a ring G secured to the metal body A of the fitting and the ends of the spring K are seated in curved grooves between prisms formed on the inside of the globe.
GB2564548A 1948-10-01 1948-10-01 Improvements relating to electric light units Expired GB642512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2564548A GB642512A (en) 1948-10-01 1948-10-01 Improvements relating to electric light units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2564548A GB642512A (en) 1948-10-01 1948-10-01 Improvements relating to electric light units

Publications (1)

Publication Number Publication Date
GB642512A true GB642512A (en) 1950-09-06

Family

ID=10231029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2564548A Expired GB642512A (en) 1948-10-01 1948-10-01 Improvements relating to electric light units

Country Status (1)

Country Link
GB (1) GB642512A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694649A (en) * 1970-07-22 1972-09-26 Gen Electric Lamp support device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694649A (en) * 1970-07-22 1972-09-26 Gen Electric Lamp support device

Similar Documents

Publication Publication Date Title
GB642512A (en) Improvements relating to electric light units
GB409403A (en) Improvements in or relating to portable electric illuminating devices
GB539202A (en) Combined key and flashlight
GB848783A (en) Improvements in electric torches
GB699478A (en) Mine lamp with fluorescent tube
GB756317A (en) Improvements relating to electric lighting lanterns more particularly for street lighting
CA466317A (en) Gas discharge lamp
GB789074A (en) An electric discharge lamp
ES14359U (en) Pocket flashlight. (Machine-translation by Google Translate, not legally binding)
GB727352A (en) Improvements connected with lamps or lanterns primarily intended for highway lighting
GB683179A (en) Improvements relating to miners' lamps and the like
GB569352A (en) Improvements in or relating to electric torches
GB767352A (en) A lighting unit for illuminating surgical operations
GB568738A (en) Improvements relating to electric lamp bulb holders
CA462685A (en) Street lighting luminaire and refractor therefor
GB145913A (en) Improvements relating to miners' electric lamps
GB756318A (en) Improvements relating to electric lighting lanterns more particularly for street lighting
ES16669U (en) Flashlight for electric lighting (Machine-translation by Google Translate, not legally binding)
AU147073B2 (en) Searchlight having a linear source of light and two parabolic reflectors
GB1059662A (en) Portable lamp
GB595175A (en) Improvements in base closure caps for portable electric flashlights
CA446173A (en) Lighting system and lanterns for use therein
ES11984U (en) Portable lighting lamp. (Machine-translation by Google Translate, not legally binding)
CA448884A (en) Flashlight lamp
GB164496A (en) Improvements in or connected with miners' safety and other electric hand lamps