GB2360833A - Light fitting with spring clip to support lamp - Google Patents

Light fitting with spring clip to support lamp Download PDF

Info

Publication number
GB2360833A
GB2360833A GB0008036A GB0008036A GB2360833A GB 2360833 A GB2360833 A GB 2360833A GB 0008036 A GB0008036 A GB 0008036A GB 0008036 A GB0008036 A GB 0008036A GB 2360833 A GB2360833 A GB 2360833A
Authority
GB
United Kingdom
Prior art keywords
lamp
light fitting
spring clip
lampholder
lamp housing
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.)
Granted
Application number
GB0008036A
Other versions
GB0008036D0 (en
GB2360833B (en
Inventor
Dan Warman
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.)
Illuma Lighting Ltd
Original Assignee
Illuma Lighting 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 Illuma Lighting Ltd filed Critical Illuma Lighting Ltd
Priority to GB0008036A priority Critical patent/GB2360833B/en
Publication of GB0008036D0 publication Critical patent/GB0008036D0/en
Publication of GB2360833A publication Critical patent/GB2360833A/en
Application granted granted Critical
Publication of GB2360833B publication Critical patent/GB2360833B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • 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
    • F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

A light fitting comprises a lamp housing (1), a lampholder (2) mounted in the lamp housing and adapted to receive and support a lamp (7) and a spring clip (3) mounted on the lamp housing and adapted to bear on the lamp to assist in supporting it.

Description

2360833 9574:CP LIGHT FITTING The invention relates to light fittings of
the kind in which a lampholder adapted to receive and support a high voltage (eg 240 V) lamp is mounted in a lamp housing. In known light fittings of this type, the lamp is supported on the lamp housing purely through its mechanical engagement with the lampholder.
In certain cases, however, and particularly in the case of twist-and-lock lamps, the mechanical engagement with the lampholder is not sufficiently tight to prevent the lamp drooping under its own weight from the desired position in which the lamp is perfectly centred in the lamp housing.
The invention attempts to alleviate or overcome this problem by providing an additional support to assist in supporting the lamp.
is Accordingly, the invention provides a light fitting comprising: a lamp housing; a lampholder mounted in the lamp housing and adapted to receive and support a lamp; and a spring clip mounted on the lamp housing and adapted to bear on a lamp received in the lampholder to assist in supporting the lamp.
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
Figure 1 is an exploded side view, partially in section, of the components of a light 9574:CP -2- fitting; Figure 2 is a side view, partially in section, of the assembled light fitting; Figure 3 is a cross-sectional view through a spring clip; and Figure 4 is an end view of the spring clip. 5 The components of the light fitting, as shown in Figures 1 and 2, are a lamp housing 1, a lwnp holder 2 and a spring clip 3.
The lwnp housing, as shown, is of the type which is pivotally mounted on a stem 4 for connection to a power track (not shown) in known manner. The lamp housing is formed integrally with a formation 6 adapted to receive and support a standard lampholder 2. In this case, the lampholder is of the type (industry standard GU10) which receives and supports a twist-andlock lamp 7 (industry standard PAR 16). The formation 6 includes a pin 8 and a recess 9 which are spaced apart by a distance corresponding to the spacing between two through-holes formed in the lampholder. In assembly, the pin 8 locates in one of the holes in the lanipholder whilst a screw (not shown) passes through the other hole in the lampholder and taps into the recess 9. This arrangement is well known.
The improvement provided by the present invention is in the spring clip 3 which is mounted between the lamp housing 1 and the lainpliolder 2.
The spring clip 3 is generally U-shaped and is formed from a single strip of spring steel to comprise a base 10 which is mounted to the lamp housing by means of the pin 8 and 9574:CP -3- the screw (not shown) which pass through two holes 11 in the base 10. A pair of resilient arms 12 extend away from opposite ends of the base and are kinked towards their free ends so as to engage the lamp 7 and to assist in supporting it.
9574:CP

Claims (5)

1. A light fitting, comprising:
a lamp housing; a lampholder mounted in the lamp housing and adapted to receive and support a lamp; and a spring clip mounted on the lamp housing and adapted to bear on a lamp received in the lampholder to assist in supporting the lamp.
2. A light fitting according to Claim 1, wherein the spring clip is mounted between the lamp housing and the lanipholder.
3. A light fitting according to Claim 1 or Claim 2, wherein the spring clip is generally U-shaped and is formed from a single strip of spring steel to comprise a base mounted to the lamp housing and a pair of resilient aims extending from opposite ends of the base and adapted to engage the lamp towards their free ends.
4. A light fitting according to any preceding claim, wherein the lampholder is a twist and-lock lampholder.
5. A light fitting substantially as described herein with reference to the accompanying drawings.
GB0008036A 2000-04-01 2000-04-01 Light fitting Expired - Fee Related GB2360833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0008036A GB2360833B (en) 2000-04-01 2000-04-01 Light fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0008036A GB2360833B (en) 2000-04-01 2000-04-01 Light fitting

Publications (3)

Publication Number Publication Date
GB0008036D0 GB0008036D0 (en) 2000-05-24
GB2360833A true GB2360833A (en) 2001-10-03
GB2360833B GB2360833B (en) 2003-11-19

Family

ID=9889000

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0008036A Expired - Fee Related GB2360833B (en) 2000-04-01 2000-04-01 Light fitting

Country Status (1)

Country Link
GB (1) GB2360833B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003062703A1 (en) * 2002-01-23 2003-07-31 Aurora Limited Lamps

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071157A1 (en) * 1981-07-28 1983-02-09 Vossloh-Werke GmbH Socket for a discharge lamp
US4387417A (en) * 1981-12-30 1983-06-07 General Electric Company Lamp retaining means within luminaire
EP0147934A1 (en) * 1983-11-19 1985-07-10 Carello Lighting Plc Light assembly
GB2153986A (en) * 1984-02-11 1985-08-29 Emi Plc Thorn Improvements in lamps and lamp holders for display lighting
US4704668A (en) * 1986-09-30 1987-11-03 Sterner Lighting Systems Incorporated Sleeve type lamp stabilizer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0071157A1 (en) * 1981-07-28 1983-02-09 Vossloh-Werke GmbH Socket for a discharge lamp
US4387417A (en) * 1981-12-30 1983-06-07 General Electric Company Lamp retaining means within luminaire
EP0147934A1 (en) * 1983-11-19 1985-07-10 Carello Lighting Plc Light assembly
GB2153986A (en) * 1984-02-11 1985-08-29 Emi Plc Thorn Improvements in lamps and lamp holders for display lighting
US4704668A (en) * 1986-09-30 1987-11-03 Sterner Lighting Systems Incorporated Sleeve type lamp stabilizer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003062703A1 (en) * 2002-01-23 2003-07-31 Aurora Limited Lamps
US7255461B2 (en) 2002-01-23 2007-08-14 Aurora Limited Lamp reflector having a plurality of reflecting elements

Also Published As

Publication number Publication date
GB0008036D0 (en) 2000-05-24
GB2360833B (en) 2003-11-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070401