GB281977A - A new or improved lock and protector for electric lamps - Google Patents

A new or improved lock and protector for electric lamps

Info

Publication number
GB281977A
GB281977A GB2262327A GB2262327A GB281977A GB 281977 A GB281977 A GB 281977A GB 2262327 A GB2262327 A GB 2262327A GB 2262327 A GB2262327 A GB 2262327A GB 281977 A GB281977 A GB 281977A
Authority
GB
United Kingdom
Prior art keywords
holder
protector
ring
new
electric lamps
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
GB2262327A
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.)
HENRY ERNEST ASHDOWN
Original Assignee
HENRY ERNEST ASHDOWN
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 HENRY ERNEST ASHDOWN filed Critical HENRY ERNEST ASHDOWN
Priority to GB2262327A priority Critical patent/GB281977A/en
Publication of GB281977A publication Critical patent/GB281977A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling 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
    • H01R33/97—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held
    • H01R33/973—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held for bayonet type coupling devices

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

281,977. Ashdown, H. E. Aug. 29, 1927. Holders. - In devices for preventing the removal of bulbs until the glass thereof is broken away, and of the kind wherein a ring e provided with projections k for closing the bayonet slots of the holder is maintained in engagement with the holder bv a spring l encircling the cap of the bulb, access to these parts being prevented by an enclosing sleeve b engaging at one end with the bulb and at the other with the shade ring n or other part of the holder, the sleeve b is made of insulating material and is provided internally at its upper part with ribs d adapted to key with notches in the ring e when this springs into the locking position.
GB2262327A 1927-08-29 1927-08-29 A new or improved lock and protector for electric lamps Expired GB281977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2262327A GB281977A (en) 1927-08-29 1927-08-29 A new or improved lock and protector for electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2262327A GB281977A (en) 1927-08-29 1927-08-29 A new or improved lock and protector for electric lamps

Publications (1)

Publication Number Publication Date
GB281977A true GB281977A (en) 1927-12-15

Family

ID=10182422

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2262327A Expired GB281977A (en) 1927-08-29 1927-08-29 A new or improved lock and protector for electric lamps

Country Status (1)

Country Link
GB (1) GB281977A (en)

Similar Documents

Publication Publication Date Title
GB281977A (en) A new or improved lock and protector for electric lamps
GB230171A (en) Improvements in or relating to locking devices for electric incandescent lamps
GB198538A (en) Improvements in and relating to locking devices for electric incandescent lamps
GB353973A (en) Improvements in and relating to bases for electric incandescent lamps and similar devices
GB291954A (en) Improvements in and relating to locking devices for electric incandescent lamps
GB322965A (en) Improvements in and relating to locks or guards for electric lamp holders
GB243900A (en) Improvements in or relating to means for securing and locking electric lamps in position
GB201462A (en) Improvements in electric bulb holders
GB274305A (en) Improvements in electric lamp and shade holders
GB314162A (en) An improvement in devices for locking incandescent bulbs in their holders
GB210243A (en) Improvements in means for preventing theft or unauthorised removal of electric lamp bulbs
GB305581A (en) Contact-preventing devices for electric incandescent lamps
GB250150A (en) Improvements in holders for incandescent electric lamps
GB342503A (en) Improvements in lampshade holders
GB113007A (en) A New or Improved Device for Supporting the Shades or Reflectors upon Incandescent Lamp Holders and for Locking the Lamp to its Holder.
GB242408A (en) Improvements in, or relating to, electric lamp holders
GB363924A (en) Device for preventing the theft of incandescent electric lamps
GB265739A (en) Improvements in holders for electric incandescent lamps
GB305537A (en)
GB191025897A (en) Improvements in or relating to Holders for Electric Lamps.
GB190901673A (en) Improvements in Lamp Holders for Electric Incandescent Lamps.
GB521953A (en) Improvements in means for locking electric lamps in lamp holders
GB474487A (en) Improved means for preventing theft or unauthorised removal of electric lamp bulbs
GB286852A (en) Improvements in or relating to electric lamp holders
GB187602A (en) Improvements in or relating to electric light globe attachments