GB115400A - Improvements in Electric-light Fittings. - Google Patents

Improvements in Electric-light Fittings.

Info

Publication number
GB115400A
GB115400A GB340818A GB340818A GB115400A GB 115400 A GB115400 A GB 115400A GB 340818 A GB340818 A GB 340818A GB 340818 A GB340818 A GB 340818A GB 115400 A GB115400 A GB 115400A
Authority
GB
United Kingdom
Prior art keywords
key
screw
head
shank
cap
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
GB340818A
Inventor
Edwin Robert Hough
Laurence Harrison
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB115400A publication Critical patent/GB115400A/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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/02—Cages

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

115,400. Hough, E. R., and Harrison, L. Feb. 26, 1918. Addition to 2928/15. Guards and protectors; globe-holders. - In the electric lamp fitting described in the parent Specification in which a ring c carrying the lamp guard engages internal spiral slots in a cap or dome a and is provided with a locking-screw g for securing it in position, the cap or shield h surrounding the locking-screw so as to prevents its improper operation is provided with a lateral extension k having an aperture l for the head of the key to be introduced sideways, the shank of the key being then slid along a lateral slot o in the extension k until the head of the key is brought into position to pass into a second shield surrounding the head of the screw. The key may have a flat shank and the inner end p of the slot o is then sufficiently enlarged to enable the shank of the key to turn.
GB340818A 1915-02-23 1918-02-26 Improvements in Electric-light Fittings. Expired GB115400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191502928T 1915-02-23

Publications (1)

Publication Number Publication Date
GB115400A true GB115400A (en) 1918-05-09

Family

ID=32843721

Family Applications (2)

Application Number Title Priority Date Filing Date
GB191502928D Expired GB191502928A (en) 1915-02-23 1915-02-23 Improvements in Electric-light Fittings or Brackets.
GB340818A Expired GB115400A (en) 1915-02-23 1918-02-26 Improvements in Electric-light Fittings.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB191502928D Expired GB191502928A (en) 1915-02-23 1915-02-23 Improvements in Electric-light Fittings or Brackets.

Country Status (1)

Country Link
GB (2) GB191502928A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592208A (en) * 1949-08-31 1952-04-08 Edison Inc Thomas A Bezel lock for electric safety lamps
FR2681091A1 (en) * 1991-09-10 1993-03-12 Lenzi Ste Ind Device for locking the opening panels (doors) of equipment accessible to the public and equipment provided with at least one such device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592208A (en) * 1949-08-31 1952-04-08 Edison Inc Thomas A Bezel lock for electric safety lamps
FR2681091A1 (en) * 1991-09-10 1993-03-12 Lenzi Ste Ind Device for locking the opening panels (doors) of equipment accessible to the public and equipment provided with at least one such device

Also Published As

Publication number Publication date
GB191502928A (en) 1915-07-24

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