GB2229327B - Lampholder - Google Patents

Lampholder

Info

Publication number
GB2229327B
GB2229327B GB9003903A GB9003903A GB2229327B GB 2229327 B GB2229327 B GB 2229327B GB 9003903 A GB9003903 A GB 9003903A GB 9003903 A GB9003903 A GB 9003903A GB 2229327 B GB2229327 B GB 2229327B
Authority
GB
United Kingdom
Prior art keywords
lampholder
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 - Fee Related
Application number
GB9003903A
Other versions
GB2229327A (en
GB9003903D0 (en
Inventor
Terence Thomas
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.)
Novar ED&S Ltd
Original Assignee
MK Electric 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 MK Electric Ltd filed Critical MK Electric Ltd
Priority to GB9003903A priority Critical patent/GB2229327B/en
Publication of GB9003903D0 publication Critical patent/GB9003903D0/en
Publication of GB2229327A publication Critical patent/GB2229327A/en
Application granted granted Critical
Publication of GB2229327B publication Critical patent/GB2229327B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01R33/05—Two-pole devices
    • H01R33/46—Two-pole devices for bayonet type base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4848—Busbar integrally formed with the spring
GB9003903A 1989-02-22 1990-02-21 Lampholder Expired - Fee Related GB2229327B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9003903A GB2229327B (en) 1989-02-22 1990-02-21 Lampholder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8904003A GB2228838B (en) 1989-02-22 1989-02-22 Lampholders
GB9003903A GB2229327B (en) 1989-02-22 1990-02-21 Lampholder

Publications (3)

Publication Number Publication Date
GB9003903D0 GB9003903D0 (en) 1990-04-18
GB2229327A GB2229327A (en) 1990-09-19
GB2229327B true GB2229327B (en) 1993-11-17

Family

ID=10652099

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8904003A Expired - Fee Related GB2228838B (en) 1989-02-22 1989-02-22 Lampholders
GB9003903A Expired - Fee Related GB2229327B (en) 1989-02-22 1990-02-21 Lampholder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8904003A Expired - Fee Related GB2228838B (en) 1989-02-22 1989-02-22 Lampholders

Country Status (1)

Country Link
GB (2) GB2228838B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005009604U1 (en) * 2005-06-18 2005-09-08 Stocko Contact Gmbh & Co. Kg Centre contact for use in an electrical filament bulb holder is formed as a one piece pressed metal spring element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054982A (en) * 1979-07-28 1981-02-18 Ashley Accessories Ltd Electrical fittings

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB240120A (en) * 1924-09-17 1926-02-18 Nat Carbon Co Inc Spring clip for electrical conductors
GB273607A (en) * 1927-02-14 1927-07-07 Oliver Collins Dennis Improvements in electric vulcanizers
GB962583A (en) * 1961-10-16 1964-07-01 Carr Fastener Co Ltd Improvements in and relating to sockets for electric lamps
FR1492998A (en) * 1966-07-11 1967-08-25 Cibie Projecteurs Improvements to lamp holder assemblies
FR1580960A (en) * 1968-06-13 1969-09-12
GB1297452A (en) * 1971-04-07 1972-11-22
US3742430A (en) * 1972-02-24 1973-06-26 Ford Motor Co Electrical terminal
CH667553A5 (en) * 1985-10-09 1988-10-14 Woertz Oskar SCREWLESS ELECTRICAL TERMINAL.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2054982A (en) * 1979-07-28 1981-02-18 Ashley Accessories Ltd Electrical fittings

Also Published As

Publication number Publication date
GB2228838B (en) 1993-11-17
GB2228838A (en) 1990-09-05
GB8904003D0 (en) 1989-04-05
GB2229327A (en) 1990-09-19
GB9003903D0 (en) 1990-04-18

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19970618

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990222