EP1707871A2 - Lampe avec des éléments mobiles et dépendants de la température - Google Patents

Lampe avec des éléments mobiles et dépendants de la température Download PDF

Info

Publication number: EP1707871A2
Authority: EP; European Patent Office
Prior art keywords: elements; light bulb; lamp; frame part; lamp according
Prior art date: 2005-04-01
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

EP06075787A

Other languages

German (de)

English (en)

Other versions

EP1707871B1 (fr

EP1707871A3 (fr

Inventor

Harmen Klein Woolthuis

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.)

H F K Engineering

Original Assignee

H F K Engineering

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.)

2005-04-01

Filing date

2006-04-03

Publication date

2006-10-04

2006-04-03 Application filed by H F K Engineering filed Critical H F K Engineering

2006-10-04 Publication of EP1707871A2 publication Critical patent/EP1707871A2/fr

2007-01-24 Publication of EP1707871A3 publication Critical patent/EP1707871A3/fr

2008-10-08 Application granted granted Critical

2008-10-08 Publication of EP1707871B1 publication Critical patent/EP1707871B1/fr

2026-04-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000001419 dependent effect Effects 0.000 title 1
238000004804 winding Methods 0.000 claims description 7
241000234435 Lilium Species 0.000 claims description 2
240000002853 Nelumbo nucifera Species 0.000 claims description 2
235000006508 Nelumbo nucifera Nutrition 0.000 claims description 2
235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 2
241000722921 Tulipa gesneriana Species 0.000 claims description 2
230000000694 effects Effects 0.000 description 3
230000005855 radiation Effects 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1

Images

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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G1/00—Artificial flowers, fruit, leaves, or trees; Garlands
- A41G1/001—Artificial flowers, fruit, leaves, or trees; Garlands characterised by their special functions
- A41G1/005—Artificial flowers, fruit, leaves, or trees; Garlands characterised by their special functions luminous or luminescent

Definitions

the present invention relates to a lamp. More specifically, the invention relates to a lamp for positioning around a light bulb or the like.
lamps or lampshades are known that are placed around a light bulb. These lampshades are static. From the American patent US 2,561,217 a lamp is known, comprised of a thermally deformable member that is placed around a light bulb. Its effect is such that when the light bulb produces heat, the thermally deformable bends away from the light bulb, producing the effect of a so-called simulated flower with thermostatic action.
a drawback of this known lamp is therefore that a poor effect is obtained.
the object of the invention is to provide an improved lamp.
the object of the invention is in particular to provide a lamp with which a simple, quick and even reaction is obtained after the light bulb is switched on or off.
a particular object of the invention is to provide a lamp, with which a technically correct opening and closing of a flower can be created.
the invention provides a lamp for positioning around a light bulb, comprising elements that in a first position are folded around the light bulb and in a second position are moved away from the light bulb, wherein at one of their ends, the elements are by means of a deformable member connected with a frame part, such that at a first temperature, the elements are in the first position, and at a second, higher temperature, the elements are in the second position. Since according to the invention the elements bend substantially near the frame part situated at the fitting of the lamp, a very faithful representation of the opening and closing of a real flower is obtained.
the deformable member may, for example, be a bimetal member.
a bimetal member hereinafter, reference will be made mainly to a bimetal member, while other deforming components are included also.
the invention is, however, in no way limited to the use of only a bimetal member.
the term "bimetal member" to be used hereinafter also covers other thermally deformable members, materials or elements.
the invention provides in particular the advantage that the bimetal members are thus at all times situated close to the light bulb.
bimetal member refers to any element undergoing deformation due to a temperature change. This deformation must of course be such that when applied in the lamp according to the invention, changes in temperature will cause the movement of the elements.
the frame part is placed close to the fitting of a light bulb.
the frame part may, for example, be placed on the fitting before inserting the light bulb into the fitting.
the lamp is thus suitably positioned.
the elements are shaped like petals and are in the first position folded around the light bulb like a flower bud.
the lamp is switched off, only an artificial flower bud will be visible.
suitable materials such a lamp can be made to look like a real flower.
the elements are especially preferred for the elements to be shaped like the petals of a tulip, a lily, or a lotus flower. Because of their shape, such petals are very suitable for covering a light bulb. Elements of a different shape are of course also suitable.
a first end of the bimetal member is connected with a fastening member of the frame part, wherein the bimetal member is also wound around the fastening member, and a second end thereof is connected with an element. Due to this winding the element's movement is even and more stable.
the frame part is provided with a stop.
the second end of the bimetal member may come to rest against this stop, or the element in the form of, for example, a petal, may come to rest against this stop. In this way the lamp will only be able to open to a maximum when the light bulb is switched on.
the bimetal member prefferably has at least two windings, and preferably four windings. By providing two windings, the elements will open more evenly, while a minimum of four windings improves this still further.
the elements may in the unfolded condition form a reflector that converges the light and/or the heat from the light bulb or the like into a focussed beam.
a desired light or heat pattern may be formed.
the invention generally affords the advantage that while a light bulb or the like is not in use, it is protected by the elements.
Figure 1 shows a perspective view of the lamp according to the invention in a closed position.
Figure 2 shows a perspective view of the lamp according to Figure 1 in an open position.
Figure 3 shows a top view of the frame part with one connected element of the lamp according to the invention.
Figure 4 shows a side elevation of the bimetal member in the direction of line A-A in Figure 3.
Figure 5 shows a perspective view of a portion of the frame part with a bimetal member.
Figure 1 shows a lamp 1 according to the invention.
the lamp 1 is folded around a light bulb (not shown) and comprises a frame part 2, bimetal members 3 and elements 4. These elements 4 are shaped like petals. They partly overlap and in that way cover the light bulb (not shown) in a suitable manner.
Figure 3 shows a top view of the frame part 2.
the frame part 2 may be positioned with its circular opening 8 over a light bulb fitting.
the threaded part of the light bulb (not shown) may then be inserted through the opening 8 and screwed into the fitting.
the frame part 2 is then suitably connected with the light bulb.
FIG. 2 shows an embodiment wherein twelve elements can be attached to the frame part 2. Only one element 4 is shown. By means of a bimetal member 3, this element 4 is connected with fastening members 9, suitably embodied for this purpose. One end of each fastening member 9 is attached to the circular portion of the frame part 2.
FIG 4 shows a cross section in the direction of the arrows A-A in Figure 3.
the bimetal member 3 is attached to the frame part 2. This attachment is provided with a central fastening ridge 10 (see Figure 3).
the bimetal member 3 is subsequently wound several times around said fastening ridge 10, through the openings 12, 13 in the fastening member 9.
a light bulb emits heat to the bimetal member 3
the same will move in the direction of the arrow B.
the second end 14 of the bimetal member 3 will come to rest against the stop 11 of the member 9. This determines the maximum deflection of the bimetal member 3, and accordingly of the element 4.
FIG. 5 finally, shows a perspective view of a portion of frame part 2 according to the invention.
the bimetal member 3, the fastening ridge 10 via which the bimetal is connected with the frame part 2, and the stop 11, are clearly visible.
the invention is not limited to the above-described embodiment. Especially a person skilled in the art is able to use a different material than a bimetal to initiate the change of the lamp's form when the light bulb is switched on.

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
General Engineering & Computer Science (AREA)
Non-Portable Lighting Devices Or Systems Thereof (AREA)
Securing Globes, Refractors, Reflectors Or The Like (AREA)
Fastening Of Light Sources Or Lamp Holders (AREA)
Circuit Arrangements For Discharge Lamps (AREA)

EP06075787A 2005-04-01 2006-04-03 Lampe avec des éléments mobiles et dépendants de la température Expired - Lifetime EP1707871B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL1028668A NL1028668C2 (nl)	2005-04-01	2005-04-01	Lamp.

Publications (3)

Publication Number	Publication Date
EP1707871A2 true EP1707871A2 (fr)	2006-10-04
EP1707871A3 EP1707871A3 (fr)	2007-01-24
EP1707871B1 EP1707871B1 (fr)	2008-10-08

Family

ID=36636297

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP06075787A Expired - Lifetime EP1707871B1 (fr)	2005-04-01	2006-04-03	Lampe avec des éléments mobiles et dépendants de la température

Country Status (4)

Country	Link
EP (1)	EP1707871B1 (fr)
AT (1)	ATE410638T1 (fr)
DE (1)	DE602006003002D1 (fr)
NL (1)	NL1028668C2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8025430B2 (en)	2008-03-25	2011-09-27	Avner Ben Natan	Lighting device
CN102261593A (zh) *	2011-08-15	2011-11-30	应江波	一种工艺花灯
CN102878508A (zh) *	2012-09-19	2013-01-16	吴江市物华五金制品有限公司	一种金属外壳灯
GB2520559A (en) *	2013-11-26	2015-05-27	Scmg Entpr Ltd	Light fitting
CN105221992A (zh) *	2015-09-29	2016-01-06	惠州市加迈电器有限公司	仿生灯具
CN107143770A (zh) *	2017-05-17	2017-09-08	中山市乐盈网络科技有限公司	一种可展开的灯具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2561217A (en)	1949-05-10	1951-07-17	Muir James Ogilvie	Simulated flower with thermostatic action
FR2474644A1 (fr)	1980-01-15	1981-07-31	Leneveu Michel	Luminaire anime
JPH07262812A (ja)	1994-03-18	1995-10-13	Kajima Corp	可動式照明セード
DE19548187A1 (de)	1995-07-05	1997-01-09	Serien Raumleuchten Gmbh	Lampe

2005
- 2005-04-01 NL NL1028668A patent/NL1028668C2/nl not_active IP Right Cessation
2006
- 2006-04-03 AT AT06075787T patent/ATE410638T1/de not_active IP Right Cessation
- 2006-04-03 EP EP06075787A patent/EP1707871B1/fr not_active Expired - Lifetime
- 2006-04-03 DE DE602006003002T patent/DE602006003002D1/de not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2561217A (en)	1949-05-10	1951-07-17	Muir James Ogilvie	Simulated flower with thermostatic action
FR2474644A1 (fr)	1980-01-15	1981-07-31	Leneveu Michel	Luminaire anime
JPH07262812A (ja)	1994-03-18	1995-10-13	Kajima Corp	可動式照明セード
DE19548187A1 (de)	1995-07-05	1997-01-09	Serien Raumleuchten Gmbh	Lampe

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8025430B2 (en)	2008-03-25	2011-09-27	Avner Ben Natan	Lighting device
CN102261593A (zh) *	2011-08-15	2011-11-30	应江波	一种工艺花灯
CN102878508A (zh) *	2012-09-19	2013-01-16	吴江市物华五金制品有限公司	一种金属外壳灯
GB2520559A (en) *	2013-11-26	2015-05-27	Scmg Entpr Ltd	Light fitting
CN105221992A (zh) *	2015-09-29	2016-01-06	惠州市加迈电器有限公司	仿生灯具
CN105221992B (zh) *	2015-09-29	2017-12-15	陈伟	仿生灯具
CN107143770A (zh) *	2017-05-17	2017-09-08	中山市乐盈网络科技有限公司	一种可展开的灯具

Also Published As

Publication number	Publication date
EP1707871B1 (fr)	2008-10-08
NL1028668C2 (nl)	2006-10-09
ATE410638T1 (de)	2008-10-15
DE602006003002D1 (de)	2008-11-20
EP1707871A3 (fr)	2007-01-24

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