GB489515A - Improvements in or relating to means for securing an electric lamp to a holder - Google Patents

Improvements in or relating to means for securing an electric lamp to a holder

Info

Publication number
GB489515A
GB489515A GB600337A GB600337A GB489515A GB 489515 A GB489515 A GB 489515A GB 600337 A GB600337 A GB 600337A GB 600337 A GB600337 A GB 600337A GB 489515 A GB489515 A GB 489515A
Authority
GB
United Kingdom
Prior art keywords
ring
holder
cap
bayonet
securing
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
GB600337A
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.)
DANIEL HERBERT ROBBINS
Original Assignee
DANIEL HERBERT ROBBINS
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 DANIEL HERBERT ROBBINS filed Critical DANIEL HERBERT ROBBINS
Priority to GB600337A priority Critical patent/GB489515A/en
Publication of GB489515A publication Critical patent/GB489515A/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

489,515. Two-part couplings. ROBBINS, D. H. March 1, 1937, No. 6003. [Class 38 (i)] A device for locking an ordinary bayonet-cap lamp in its holder consists of a ring 1 to surround the cap 4 having projections 5 to enter the bayonet slots 12 of the holder and a key operated looking screw 7 to engage above the usual shoulder on the lamp cap to secure the ring 1 in place. The screw 7 is set at an angle in a socket 6 and has an angular head 10 for engagement by a key. The ring 1 has an internal flange at its lower edge with slots for passing over the bayonet pins 3 and the projections 6 extend above and inwardly from the upper edge of the ring.
GB600337A 1937-03-01 1937-03-01 Improvements in or relating to means for securing an electric lamp to a holder Expired GB489515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB600337A GB489515A (en) 1937-03-01 1937-03-01 Improvements in or relating to means for securing an electric lamp to a holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB600337A GB489515A (en) 1937-03-01 1937-03-01 Improvements in or relating to means for securing an electric lamp to a holder

Publications (1)

Publication Number Publication Date
GB489515A true GB489515A (en) 1938-07-28

Family

ID=9806632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB600337A Expired GB489515A (en) 1937-03-01 1937-03-01 Improvements in or relating to means for securing an electric lamp to a holder

Country Status (1)

Country Link
GB (1) GB489515A (en)

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