GB2043369A - Lamp holder - Google Patents

Lamp holder Download PDF

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Publication number
GB2043369A
GB2043369A GB8003115A GB8003115A GB2043369A GB 2043369 A GB2043369 A GB 2043369A GB 8003115 A GB8003115 A GB 8003115A GB 8003115 A GB8003115 A GB 8003115A GB 2043369 A GB2043369 A GB 2043369A
Authority
GB
United Kingdom
Prior art keywords
lamp holder
casing
spring clips
edge
oven
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
GB8003115A
Other versions
GB2043369B (en
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.)
Industrie Zanussi SpA
Original Assignee
Industrie Zanussi SpA
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 Industrie Zanussi SpA filed Critical Industrie Zanussi SpA
Publication of GB2043369A publication Critical patent/GB2043369A/en
Application granted granted Critical
Publication of GB2043369B publication Critical patent/GB2043369B/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/008—Illumination for oven cavities
    • 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
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/307—Lighting for domestic or personal use for ovens

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Heating (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

In order to simplify the construction and installation of a lamp holder for use in a cooker or oven, the lamp holder comprises a ceramic body 5 into which the lamp 16 is screwed; a protective glass casing 6 and at least two spring clips 12 which are hooked with one end over the edge of the ceramic body and with the other end over an edge of the casing, the spring clips having a body portion 14 which is so shaped as to permit resilient fixing of the lamp holder in an aperture in the wall 7 of the oven. <IMAGE>

Description

SPECIFICATION Lamp holder The present invention relates to a lamp holder, for use in cookers and ovens of domestic type.
A lamp holder of known type used in ovens comprises a hollow body of ceramic material, which is mounted externally of the wall of the oven and is provided with through contacts for the electrical supply to the lamp. Within the oven, the lamp is protected by a casing of glass which is resistant to high temperatures. The ceramic body is fixed to the wall of the oven by means of a transversely disposed leaf spring and screws, or by means of metal ring clips.
In turn, the protective casing is connected or screwed to the ceramic body. In order to limit heat losses, it is usual for a seal of insulating material to be interposed between the lamp holder and the wall of the oven. This lamp holder, which is the simplest of those previously known, suffers from some difficulties in assembly, does not guarantee a sufficient fit, and projects somewhat inwardly of the oven, thereby reducing the useful volume thereof.
According to the present invention, there is provided a lamp holder comprising: a ceramic body into which, in use, the lamp is screwed; a casing, for pro tectingthe lamp, of glass which is resistant to high temperature; and at least two spring clips which are hooked with one of their ends over an edge of said ceramic body and with the other of their ends over an edge of said casing, the spring clips having a body portion which is so shaped as to permit resi lientfixing of the lamp holder in an aperture.
This construction makes it possible to eliminate the mounting seal and the screws for fixing the conventional leaf spring, providing a rigid mounting which is a perfect fit against the wall of the oven, while making use of the lamp holder much more convenient and simpler.
The invention will be further described with reference to the accompanying drawing, wherein: Figure 1 shows a sectional view of an embodiment of the lamp holder according to the invention; and Figure 2 shows the lamp holder of Figure 1, seen from the interior of the oven.
Referring to the drawings, the lamp holder according to the invention comprises a hollow ceramic body 5 and a protective casing 6 of glass which is resilient to high temperatures. The ceramic body 5 is disposed outside the wall 7 of the oven and is provided with an edge 8 of annular projecting configuration 9, which has a recess 10 and an undercut portion 11. The front part of the edge 8 which is inserted in a suitable hole in the wall 7 of the oven is so shaped as to be mated to the complementary edge of the cas ing 6.
Two spring clips 12 which work in a bending mode and which are so shaped as to embrace the configuration 9 are disposed with one of their ends inserted into the recess 10 while the other end is engaged against the edge of the casing 6 so as to urge the body 5 and the casing 6 together. The spring clips 12 are also inserted in suitable grooves 13 provided in the outside peripheral surface of the edge 8.
The body portion of the spring clips 12 is suitably bent to follow the contour of the configuration 9, in particular the portion 11, and also a bent portion 14 is provided to be engaged in the hole in the wall 7, ensuring that the lamp holder is held against the wall 7. The hole in the wall 7 is provided with two seats 15 for housing the springs 12 and for preventing them from moving upon screwing and unscrewing the lamp 16 and the casing 6.
The edge 17 of the casing 6 is provided with two lugs 18 (Figure 2) for stopping rotary movement of the casing against the spring clips 12, and with two openings 19to permit the casing to befitted under the ends of the spring clips 12.
Finally, provided on the edge 17 are two oppositely disposed inclined surface portions 20 for holding the casing under the spring clips 12, to prevent unscrewing thereof.
The electrical terminals are fixed in the ceramic body 5. The internal terminals are rerepresented by the tongue portion 21 which is secured by the screw 22, and by the more outwardly disposed portion of the connecting base 23 in the hollow part of the body 5 (see Figure 1).
The external electrical connections (which are of known type and which are not shown in the drawings) are fixed to the body 5 by means of screws 24.
For assembling the lamp holder, the springs 12 are first inserted into the grooves 13 in the ceramic body 5 which is then inserted into the hole in the wall 7 of the oven. After the lamp 16 has been screwed in, the casing 6 is inserted, with the spring clips being passed through the openings 19, and with the casing being rotated in such a way as to cause the inclined surface portions 20 to engage under the spring clips 12 until the lugs 18 bear against the spring clips. This system, in a very simple and convenient manner, provides both a perfect seal between the body 5 and the casing 6 and secure fixing of the lamp holder in its entirety by means of the spring clips 12 which thus perform a double function.
This arrangement also guarantees an optimum seal against heat losses, by virtue of the resilient engagement of the inclined portions 14 of the spring clips 12 against the edge of the hole in the wall 7 of the oven.
1. A lamp holder comprising: a ceramic body into which, in use, the lamp is screwed; a casing, for protecting the lamp, of glass which is resistant to high temperature; and at least two spring clips which are hooked with one of their ends over an edge of said ceramic body and with the other of their ends over an edge of said casing, the spring clips having a body portion which is so shaped as to permit resilient fixing of the lamp holder in an aperture.
2. A lamp holder according to Claim 1, wherein said ceramic body has an enlarged edge portion which provides a recess, an undercut portion and grooves for inserting and engaging the spring clips.
3. A lamp holder according to Claim 1 wherein the spring clips are provided with a bent and inclined portion arranged to engage with the edge of the hole in the wall ofthe oven in order to ensure that the
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (6)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Lamp holder The present invention relates to a lamp holder, for use in cookers and ovens of domestic type. A lamp holder of known type used in ovens comprises a hollow body of ceramic material, which is mounted externally of the wall of the oven and is provided with through contacts for the electrical supply to the lamp. Within the oven, the lamp is protected by a casing of glass which is resistant to high temperatures. The ceramic body is fixed to the wall of the oven by means of a transversely disposed leaf spring and screws, or by means of metal ring clips. In turn, the protective casing is connected or screwed to the ceramic body. In order to limit heat losses, it is usual for a seal of insulating material to be interposed between the lamp holder and the wall of the oven. This lamp holder, which is the simplest of those previously known, suffers from some difficulties in assembly, does not guarantee a sufficient fit, and projects somewhat inwardly of the oven, thereby reducing the useful volume thereof. According to the present invention, there is provided a lamp holder comprising: a ceramic body into which, in use, the lamp is screwed; a casing, for pro tectingthe lamp, of glass which is resistant to high temperature; and at least two spring clips which are hooked with one of their ends over an edge of said ceramic body and with the other of their ends over an edge of said casing, the spring clips having a body portion which is so shaped as to permit resi lientfixing of the lamp holder in an aperture. This construction makes it possible to eliminate the mounting seal and the screws for fixing the conventional leaf spring, providing a rigid mounting which is a perfect fit against the wall of the oven, while making use of the lamp holder much more convenient and simpler. The invention will be further described with reference to the accompanying drawing, wherein: Figure 1 shows a sectional view of an embodiment of the lamp holder according to the invention; and Figure 2 shows the lamp holder of Figure 1, seen from the interior of the oven. Referring to the drawings, the lamp holder according to the invention comprises a hollow ceramic body 5 and a protective casing 6 of glass which is resilient to high temperatures. The ceramic body 5 is disposed outside the wall 7 of the oven and is provided with an edge 8 of annular projecting configuration 9, which has a recess 10 and an undercut portion 11. The front part of the edge 8 which is inserted in a suitable hole in the wall 7 of the oven is so shaped as to be mated to the complementary edge of the cas ing 6. Two spring clips 12 which work in a bending mode and which are so shaped as to embrace the configuration 9 are disposed with one of their ends inserted into the recess 10 while the other end is engaged against the edge of the casing 6 so as to urge the body 5 and the casing 6 together. The spring clips 12 are also inserted in suitable grooves 13 provided in the outside peripheral surface of the edge 8. The body portion of the spring clips 12 is suitably bent to follow the contour of the configuration 9, in particular the portion 11, and also a bent portion 14 is provided to be engaged in the hole in the wall 7, ensuring that the lamp holder is held against the wall 7. The hole in the wall 7 is provided with two seats 15 for housing the springs 12 and for preventing them from moving upon screwing and unscrewing the lamp 16 and the casing 6. The edge 17 of the casing 6 is provided with two lugs 18 (Figure 2) for stopping rotary movement of the casing against the spring clips 12, and with two openings 19to permit the casing to befitted under the ends of the spring clips 12. Finally, provided on the edge 17 are two oppositely disposed inclined surface portions 20 for holding the casing under the spring clips 12, to prevent unscrewing thereof. The electrical terminals are fixed in the ceramic body 5. The internal terminals are rerepresented by the tongue portion 21 which is secured by the screw 22, and by the more outwardly disposed portion of the connecting base 23 in the hollow part of the body 5 (see Figure 1). The external electrical connections (which are of known type and which are not shown in the drawings) are fixed to the body 5 by means of screws 24. For assembling the lamp holder, the springs 12 are first inserted into the grooves 13 in the ceramic body 5 which is then inserted into the hole in the wall 7 of the oven. After the lamp 16 has been screwed in, the casing 6 is inserted, with the spring clips being passed through the openings 19, and with the casing being rotated in such a way as to cause the inclined surface portions 20 to engage under the spring clips 12 until the lugs 18 bear against the spring clips. This system, in a very simple and convenient manner, provides both a perfect seal between the body 5 and the casing 6 and secure fixing of the lamp holder in its entirety by means of the spring clips 12 which thus perform a double function. This arrangement also guarantees an optimum seal against heat losses, by virtue of the resilient engagement of the inclined portions 14 of the spring clips 12 against the edge of the hole in the wall 7 of the oven. CLAIMS
1. A lamp holder comprising: a ceramic body into which, in use, the lamp is screwed; a casing, for protecting the lamp, of glass which is resistant to high temperature; and at least two spring clips which are hooked with one of their ends over an edge of said ceramic body and with the other of their ends over an edge of said casing, the spring clips having a body portion which is so shaped as to permit resilient fixing of the lamp holder in an aperture.
2. A lamp holder according to Claim 1, wherein said ceramic body has an enlarged edge portion which provides a recess, an undercut portion and grooves for inserting and engaging the spring clips.
3. A lamp holder according to Claim 1 wherein the spring clips are provided with a bent and inclined portion arranged to engage with the edge of the hole in the wall ofthe oven in order to ensure that the lamp holder is held against the wall of the oven.
4. A lamp holder according to Claim 1 wherein the casing has an edge which is provided with raised lugs and with inclined surfaces for fixing said spring clips, and openings for inserting said casing under the ends of said spring clips.
5. A lamp holder constructed and arranged substantially as hereinbefore described with reference to the accompanying drawings.
6. A cooker or oven incorporating at least one lamp holder according to any one of the preceding claims.
GB8003115A 1979-02-12 1980-01-30 Lamp holder Expired GB2043369B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3400779U IT7934007V0 (en) 1979-02-12 1979-02-12 LAMP HOLDER, IN PARTICULAR FOR KITCHENS AND OVENS.

Publications (2)

Publication Number Publication Date
GB2043369A true GB2043369A (en) 1980-10-01
GB2043369B GB2043369B (en) 1983-01-19

Family

ID=11238553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8003115A Expired GB2043369B (en) 1979-02-12 1980-01-30 Lamp holder

Country Status (4)

Country Link
DE (1) DE8002830U1 (en)
FR (1) FR2448687A3 (en)
GB (1) GB2043369B (en)
IT (1) IT7934007V0 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2229326A (en) * 1989-03-17 1990-09-19 Ariel Pressings Ltd A lamp holder adapted for mounting in an aperture in a board
US5380208A (en) * 1994-01-03 1995-01-10 Ying; Lu C. Lamp socket mounting device
WO2001056118A2 (en) * 2000-01-29 2001-08-02 Zf Friedrichshafen Ag Electric connector
EP1260763A1 (en) * 2001-05-22 2002-11-27 Newmat, S.A Assembly for mounting a self-supporting spotlight on a tensioned ceiling
CN100359238C (en) * 2003-02-21 2008-01-02 乐金电子(天津)电器有限公司 Mounting structure of microwave oven spare parts
CN102853339A (en) * 2012-08-30 2013-01-02 宁波罗特电器有限公司 Built-in LED (light-emitting diode) lamp device
RU2483244C1 (en) * 2011-11-10 2013-05-27 Зиновьев Андрей Анатольевич Lighting fixtures of stretch ceiling lamps
CN110081354A (en) * 2019-04-28 2019-08-02 浙江长兴金盛光电科技有限公司 A kind of LED light
EP3820249A1 (en) * 2019-11-06 2021-05-12 BJB GmbH & Co. KG Seal arrangement for a cooking device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123314A1 (en) * 1981-06-12 1982-12-30 Pistor Entwicklungs- und Verwaltungs KG, 5880 Lüdenscheid Electric baking oven light
DE3428329A1 (en) * 1984-08-01 1986-02-13 Hurst & Schröder GmbH, 5980 Werdohl Electric baking-oven lamp
DE3502804A1 (en) * 1985-01-29 1986-07-31 Hurst & Schröder GmbH, 5980 Werdohl Oven lamp
DE3643364A1 (en) * 1986-12-18 1988-07-07 Bosch Siemens Hausgeraete LIGHTING DEVICE FOR A STOVE WITH MICROWAVE ENERGY, ESPECIALLY A HOUSEHOLD
DE8911756U1 (en) * 1989-10-03 1989-11-23 Pistor + Boss Gmbh, 5880 Luedenscheid, De

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2229326A (en) * 1989-03-17 1990-09-19 Ariel Pressings Ltd A lamp holder adapted for mounting in an aperture in a board
GB2229326B (en) * 1989-03-17 1994-04-27 Ariel Pressings Ltd Improvements in or relating to lamp holders
US5380208A (en) * 1994-01-03 1995-01-10 Ying; Lu C. Lamp socket mounting device
US6685493B2 (en) 2000-01-29 2004-02-03 Zf Friedrichshafen Ag Electric connector
WO2001056118A3 (en) * 2000-01-29 2002-04-25 Zahnradfabrik Friedrichshafen Electric connector
WO2001056118A2 (en) * 2000-01-29 2001-08-02 Zf Friedrichshafen Ag Electric connector
EP1260763A1 (en) * 2001-05-22 2002-11-27 Newmat, S.A Assembly for mounting a self-supporting spotlight on a tensioned ceiling
WO2002095286A1 (en) * 2001-05-22 2002-11-28 Newmat, S.A. Assembly for mounting a self-supporting spotlight on a stretched ceiling
FR2825137A1 (en) * 2001-05-22 2002-11-29 Newmat Sa ASSEMBLY FOR MOUNTING A SELF-SUPPORTING SPOT ON A TIGHT CEILING
US7070306B2 (en) 2001-05-22 2006-07-04 Newmat, S.A. Assembly for mounting a self-supporting spotlight on a stretched ceiling
CN100359238C (en) * 2003-02-21 2008-01-02 乐金电子(天津)电器有限公司 Mounting structure of microwave oven spare parts
RU2483244C1 (en) * 2011-11-10 2013-05-27 Зиновьев Андрей Анатольевич Lighting fixtures of stretch ceiling lamps
CN102853339A (en) * 2012-08-30 2013-01-02 宁波罗特电器有限公司 Built-in LED (light-emitting diode) lamp device
CN110081354A (en) * 2019-04-28 2019-08-02 浙江长兴金盛光电科技有限公司 A kind of LED light
CN110081354B (en) * 2019-04-28 2023-12-26 浙江长兴金盛光电科技有限公司 LED lamp
EP3820249A1 (en) * 2019-11-06 2021-05-12 BJB GmbH & Co. KG Seal arrangement for a cooking device

Also Published As

Publication number Publication date
FR2448687A3 (en) 1980-09-05
IT7934007V0 (en) 1979-02-12
GB2043369B (en) 1983-01-19
FR2448687B3 (en) 1981-02-20
DE8002830U1 (en) 1980-07-31

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PCNP Patent ceased through non-payment of renewal fee