GB2360833A - Light fitting with spring clip to support lamp - Google Patents
Light fitting with spring clip to support lamp Download PDFInfo
- 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
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003062703A1 (en) * | 2002-01-23 | 2003-07-31 | Aurora Limited | Lamps |
Citations (5)
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 |
-
2000
- 2000-04-01 GB GB0008036A patent/GB2360833B/en not_active Expired - Fee Related
Patent Citations (5)
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)
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 |