GB272653A - Improvements in or relating to incandescent electric lamp holders - Google Patents

Improvements in or relating to incandescent electric lamp holders

Info

Publication number
GB272653A
GB272653A GB1062226A GB1062226A GB272653A GB 272653 A GB272653 A GB 272653A GB 1062226 A GB1062226 A GB 1062226A GB 1062226 A GB1062226 A GB 1062226A GB 272653 A GB272653 A GB 272653A
Authority
GB
United Kingdom
Prior art keywords
springs
socket
bulb
relating
electric lamp
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
GB1062226A
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.)
HERBERT CHRISTOPHER WHEAT
British Thomson Houston Co Ltd
Original Assignee
HERBERT CHRISTOPHER WHEAT
British Thomson Houston Co 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 HERBERT CHRISTOPHER WHEAT, British Thomson Houston Co Ltd filed Critical HERBERT CHRISTOPHER WHEAT
Priority to GB1062226A priority Critical patent/GB272653A/en
Publication of GB272653A publication Critical patent/GB272653A/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Connecting Device With Holders (AREA)

Abstract

272,653. British Thomson-Houston Co., Ltd., and Wheat, H. C. April 22, 1926. Holders. - To facilitate focusing the filament of a lamp bulb a with respect to a reflector b, the socket d of the bulb-holder is slidable axially in a supporting- tube c and an insulating plug k carrying contacts j is freely slidable within the socket, being pressed towards the bulb by springs o, while the socket and the plug may be moved together against the action' bf the springs by an adjusting-screw f. The springs oare mounted on conducting rods m extending from the terminals n and secured to conductors j<1> extending from the contacts j.
GB1062226A 1926-04-22 1926-04-22 Improvements in or relating to incandescent electric lamp holders Expired GB272653A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1062226A GB272653A (en) 1926-04-22 1926-04-22 Improvements in or relating to incandescent electric lamp holders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1062226A GB272653A (en) 1926-04-22 1926-04-22 Improvements in or relating to incandescent electric lamp holders

Publications (1)

Publication Number Publication Date
GB272653A true GB272653A (en) 1927-06-23

Family

ID=9971241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1062226A Expired GB272653A (en) 1926-04-22 1926-04-22 Improvements in or relating to incandescent electric lamp holders

Country Status (1)

Country Link
GB (1) GB272653A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995025246A2 (en) * 1994-03-15 1995-09-21 Megatar Limited Lamp fitting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995025246A2 (en) * 1994-03-15 1995-09-21 Megatar Limited Lamp fitting
WO1995025246A3 (en) * 1994-03-15 1995-10-12 Megatar Limited Lamp fitting

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