EP0157356A2 - Lampe de poche - Google Patents

Lampe de poche Download PDF

Info

Publication number
EP0157356A2
EP0157356A2 EP85103645A EP85103645A EP0157356A2 EP 0157356 A2 EP0157356 A2 EP 0157356A2 EP 85103645 A EP85103645 A EP 85103645A EP 85103645 A EP85103645 A EP 85103645A EP 0157356 A2 EP0157356 A2 EP 0157356A2
Authority
EP
European Patent Office
Prior art keywords
lamp
head
halogen
sliding connection
pocket
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
EP85103645A
Other languages
German (de)
English (en)
Other versions
EP0157356B1 (fr
EP0157356A3 (en
Inventor
Udo Prof. Geissler
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6232509&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0157356(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0157356A2 publication Critical patent/EP0157356A2/fr
Publication of EP0157356A3 publication Critical patent/EP0157356A3/de
Application granted granted Critical
Publication of EP0157356B1 publication Critical patent/EP0157356B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • F21V14/045—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors in portable lighting devices
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • F21V14/065—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors in portable lighting devices
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • F21V14/085—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters in portable lighting devices

Definitions

  • the invention relates to a pocket lamp, consisting of a lamp head in which a reflector and possibly a lens and diaphragm system is attached, and a lamp body, which at its front end facing the lamp head in the axis of the lamp one over the lamp body protruding halogen incandescent lamp, and which also has a compartment for receiving batteries or accumulators, the lamp head being slidable in the axial direction by a sliding connection relative to the lamp body and thus the reflector system attached to the lamp head relative to the halogen lamp.
  • Such flashlights equipped with halogen incandescent lamps have recently become increasingly available on the market, with the four times brighter light of the halogen incandescent lamp - compared to a miniature incandescent lamp - achieving a much better illumination of the image area.
  • the lamp bulb in the known lamps By moving the lamp head by means of a sliding connection, the lamp bulb in the known lamps always remaining within the reflector system, the opening angle of the light cone emitted by the lamp can be varied so that differently sized image areas are illuminated.
  • the luminaires equipped in this way are signal lights for emergency situations and therefore to additionally provide them with a hazard warning system equip.
  • the previously known warning lights have only miniature incandescent lamps as lighting elements.
  • the previously known warning lights which in addition to a yellow flashing light also produce a white headlight-like continuous light, have further disadvantages. Some of the lights require two separate lamps for the exercise of the two operating modes, so that there is a complicated and costly structure of the lamp.
  • the luminaire head is usually made of yellow plastic material, with a white clear cover inserted into the head end.
  • the reflector Since with these hazard warning lights the reflector is designed in such a way that light is emitted on all sides, both during continuous and flashing operation, ie both through the white clear cover and through the remaining yellow plastic part of the lamp head, a considerable amount remains in each operating mode Part of the luminous flux generated by the miniature incandescent lamp is not used.
  • the aim of the invention is therefore to provide a flashlight in which either a bright headlight-like continuous light or by means of a cover a flashing colored light can be generated with only one halogen incandescent lamp.
  • the entire luminous flux generated by the halogen incandescent lamp should only be available for the desired operating mode and as little light as possible should be absorbed in the luminaire itself.
  • the flashlight with the features mentioned in the preamble of the main claim is characterized according to the invention in that the sliding connection is designed so that the reflector system is subtracted from the halogen incandescent lamp when there is sufficient displacement of the lamp head, and at least the part of the halogen incandescent lamp surrounding the filament comes to lie completely freely between the lamp body and the lamp head and thus 360-round radiation of the halogen incandescent lamp in relation to the longitudinal axis of the lamp is made possible.
  • the sliding connection consists of a hollow cylindrical tube, which at least surrounds the halogen incandescent lamp when the lamp head is displaced.
  • the tube is transparent in the section surrounding the lamp and is made of glass or better plastic.
  • the lamp head can advantageously be pulled so far from the lamp body that the entire lamp comes to lie behind the reflector system.
  • the reflector is not connected to the lamp itself and has an opening at its apex which allows the lamp to be displaced.
  • the lamp is switched on, only the negligible proportion of light that reaches it through the small opening in the reflector then emerges to the front.
  • Practically all of the luminous flux generated by the halogen incandescent lamp is available for the flashing process. So that this luminous flux is not absorbed by the rear wall of the reflector or the holder and its surroundings, these parts are provided with a reflective layer or color.
  • the halogen incandescent lamp is located entirely within the reflector system, so that the entire luminous flux generated by the lamp is directed forward in the direction of the Luminaire longitudinal axis is given.
  • the hollow cylindrical tube is preferably firmly connected to the lamp head, since the lamp body has more space for an optimal configuration of the sliding device. But it is also conceivable to firmly connect the hollow cylindrical tube to the lamp body and to integrate the sliding device in the lamp head.
  • the easiest way to construct the flashlight is when both the lamp head and the lamp body consist of hollow cylinders with the same inner diameters, and the hollow cylindrical tube of the sliding connection has an outer diameter that matches the inner diameter of the hollow cylinders of the lamp head and lamp body.
  • the hollow cylindrical tube is firmly connected to the lamp head, the tube on the other side only has to reach a larger part into the lamp body.
  • the inner wall of the lamp body housing then forms the rail on which the extended end of the tube of the sliding device slides along when the lamp head is moved. This results in a switching mechanism that has no susceptibility to interference.
  • the hollow cylindrical tube has a corrugation on the inner wall in the section which surrounds the halogen incandescent lamp when the lamp head is displaced. This causes an increased scattering of the light in all directions perpendicular to the longitudinal axis of the lamp.
  • this section can be colored to produce even more luminous signals.
  • a switch which is connected to the circuit of the halogen incandescent lamp is advantageously actuated at the same time and causes the latter to flash.
  • the flashlight 1 shown in Figures 1 and 2 has a cylindrical housing made of plastic with a height of approximately 180 mm and a diameter of approximately 40 mm.
  • the housing is composed of a lamp body 2 and a lamp head 3 that is both rotatable and displaceable in the axial direction relative to the lamp body 2. Both parts have the same outside diameter and are optically separated from the outside by a metal ring 4 connected to the lamp head 3.
  • the lamp head 3 carries at its end facing the lamp body 2 a reflector 5, consisting of an elliptical reflector part 6 and a spherical zone-shaped reflector part 7.
  • an aperture 8 with a variable aperture 9 and an aspherical converging lens 10 are arranged in the direction of radiation.
  • the lamp body 2 At its end facing the lamp head 3, the lamp body 2 has a lamp holder 11 which is connected to a holder 12 is connected to the housing. Behind the lamp holder 11 there is a compartment 13 for receiving batteries or accumulators, which is accessible through a cover 14 at the rear end of the lamp body 2. In the cover 14, a magnet 15 is also embedded in the form of a circular ring, which allows the flashlight 1 to be attached to metallic parts.
  • the lamp head 3 lies in the inserted state with the metal ring 4 firmly against the lamp body 2.
  • the halogen lamp 16 inserted into the lamp holder 11 is in this case with its lamp bulb completely inside the reflector 5.
  • the halogen lamp 16 is switched on via a switching mechanism, not shown, and light is emitted in the direction of the lamp longitudinal axis through the aspherical converging lens 10.
  • the aperture 9 of the pinhole 8 can be changed by rotating the lamp head 3 and light cones of different sizes can be generated.
  • the lamp head 3 In order to generate a flashing light radiating perpendicular to the longitudinal axis of the lamp, on the other hand, the lamp head 3 is pushed forward in the axial direction. The lamp head 3 slides with the help of the hollow cylindrical tube 17, which is firmly connected to the head 3, on the inner wall of the lamp body 2 until the halogen bulb 16 is completely free between the lamp head 3 and the lamp body 2. The halogen incandescent lamp 16 is then only surrounded by a section 18 of the hollow cylindrical tube 17 in the lateral direction of radiation. This section 18 has a yellow color and corrugation for better visibility of the flashing light.
  • both the rear side of the elliptical reflector part 6 and the mount 11 and the holder 12 are designed to be reflective.
  • a switch (not shown here) is also actuated, which causes the halogen incandescent lamp 16 to flash.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP85103645A 1984-04-03 1985-03-27 Lampe de poche Expired - Lifetime EP0157356B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843412437 DE3412437A1 (de) 1984-04-03 1984-04-03 Taschenleuchte
DE3412437 1984-04-03

Publications (3)

Publication Number Publication Date
EP0157356A2 true EP0157356A2 (fr) 1985-10-09
EP0157356A3 EP0157356A3 (en) 1988-06-15
EP0157356B1 EP0157356B1 (fr) 1991-01-16

Family

ID=6232509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85103645A Expired - Lifetime EP0157356B1 (fr) 1984-04-03 1985-03-27 Lampe de poche

Country Status (5)

Country Link
US (1) US4609976A (fr)
EP (1) EP0157356B1 (fr)
DE (2) DE3412437A1 (fr)
HK (1) HK57991A (fr)
SG (1) SG60991G (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334431A3 (en) * 1988-03-22 1990-01-31 Philips Patentverwaltung Gmbh Circuit arrangement for producing a consumer's pulse supply voltage from a dc voltage

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001455A (en) * 1989-03-23 1991-03-19 Maniolos/Starchevic Portable signaling device
US4984141A (en) * 1990-02-15 1991-01-08 Plum Industrial Co., Ltd. Warning and lighting flash light
US5203624A (en) * 1992-05-07 1993-04-20 G.A. Thompson Company, Inc. Hazard warning device
US5345371A (en) * 1992-11-05 1994-09-06 Cunningham David W Lighting fixture
JPH088001B2 (ja) * 1993-05-11 1996-01-29 株式会社協友 信号灯付き懐中電灯
US5363092A (en) * 1993-05-25 1994-11-08 Jovanka Starchevich Portable signaling device
US5412548A (en) * 1993-06-21 1995-05-02 Yee; Vincent M. Multi-function lighting device
US5347438A (en) * 1993-06-25 1994-09-13 Lerner Robert A Combined illumination and safety lamp
US5469346A (en) * 1993-10-26 1995-11-21 Paul R. Haut Time settable flashing light
GB2285855B (en) * 1994-01-24 1997-08-20 John Mfg Ltd A dual-purpose torch for projecting ordinary and hazard warning light
USD363563S (en) 1994-04-07 1995-10-24 John Manufacturing Limited Combined fluorescent lantern and flashlight
US5642932A (en) * 1994-12-22 1997-07-01 Laser Products Corporation Combat-oriented flashlight
US5765937A (en) * 1995-11-27 1998-06-16 Shiau; Shoei-Shuh Multi-function lighting device
EP0779473A1 (fr) * 1995-12-15 1997-06-18 Shoei-Shuh Shiau Dispositif d'éclairage à fonctions multiples
USD389364S (en) 1996-08-09 1998-01-20 Michael Vallarella Illuminated device for a beverage glass
US5816688A (en) * 1996-09-20 1998-10-06 Shui-Shang; Chen Multi-functional lighting apparatus
US5735594A (en) * 1996-12-30 1998-04-07 Own; James Flashlight
US5816685A (en) * 1997-04-24 1998-10-06 Hou; Hsien-Te Combined umbrella handle and flashlight
US6031958A (en) * 1997-05-21 2000-02-29 Mcgaffigan; Thomas H. Optical light pipes with laser light appearance
US6004003A (en) * 1997-09-30 1999-12-21 Eveready Battery Company, Inc. Portable lighting device
US6004008A (en) * 1998-03-26 1999-12-21 Plum Industrial Co., Ltd. Multi-functional flashlight
AU2003204329B2 (en) * 1998-06-19 2006-11-30 Eveready Battery Company, Inc. A Lighting Device
AUPP422498A0 (en) 1998-06-19 1998-07-09 Eveready Battery Company Inc. A lighting device
DE10013922C1 (de) * 2000-03-21 2001-10-25 Sidler Gmbh & Co Leuchtenanordnung
US6585391B1 (en) * 2000-05-31 2003-07-01 Nordic Technologies, Inc. Flashlight and flashlight electrical connectors
US6942357B2 (en) * 2002-05-06 2005-09-13 Armament Systems And Procedures, Inc. Miniature flashlight having replaceable battery pack and multiple operating modes
CN2572207Y (zh) * 2002-09-23 2003-09-10 飞龙发展有限公司 可实现远距离及360度范围照明的手提式电筒
USD481816S1 (en) 2003-01-02 2003-11-04 Streamlight, Incorporated Light
US7163314B2 (en) * 2003-01-06 2007-01-16 Streamlight, Inc. Flashlight having an adjustable grip
USD603988S1 (en) 2003-09-02 2009-11-10 Streamlight, Inc. Light
CN100465506C (zh) * 2003-10-27 2009-03-04 永备电池有限公司 带有孔径开关的可转换的闪光和区域照明
FR2864203B1 (fr) * 2003-12-19 2006-08-11 Alexandre Chavanne Dispositif d' eclairage
USD521170S1 (en) 2005-04-04 2006-05-16 Streamlight, Inc. Light
US8365918B1 (en) 2010-01-19 2013-02-05 Andino Jose E Emergency notification flashing system
NL2010708C2 (en) * 2013-04-25 2014-10-29 Life Safety Products B V Safety torch and set comprising a torch and a cartridge.
US20180347794A1 (en) * 2017-06-01 2018-12-06 Matthew Sieckert Portable light holding apparatus
USD879345S1 (en) 2018-02-01 2020-03-24 E. Mishan & Sons, Inc. Flashlight
US12188634B1 (en) 2024-02-20 2025-01-07 Walter Griffin Flashlight with illuminating dome member

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1608195A (en) * 1925-01-31 1926-11-23 French Battery Company Portable electrical flash lamp
US1674650A (en) * 1926-11-19 1928-06-26 Bright Star Battery Company Portable electric light
GB521613A (en) * 1938-11-23 1940-05-27 Frederick John Miller Improvements in, or relating to, electric torches
US2647254A (en) * 1950-08-16 1953-07-28 Brunnhoelzl William Combined flashlight and emergency light
US3078761A (en) * 1959-01-26 1963-02-26 Zorn Werner Flashlight having projection pointer
GB1400701A (en) * 1974-02-15 1975-07-23 Lam Lan Fai Electric torch or lantern
US4286311A (en) * 1978-04-07 1981-08-25 Anthony Maglica Flashlight
GB2037416B (en) * 1978-12-21 1983-05-11 Sassmannshause K Lamps
GB2091863B (en) * 1981-01-28 1985-06-05 Freezinhot Bottle Co Ltd Torch
DE3212541C2 (de) * 1982-04-03 1985-05-23 Mitralux International AG, Basel Handleuchte zur Verwendung an explosionsgefährdeten Orten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0334431A3 (en) * 1988-03-22 1990-01-31 Philips Patentverwaltung Gmbh Circuit arrangement for producing a consumer's pulse supply voltage from a dc voltage

Also Published As

Publication number Publication date
HK57991A (en) 1991-08-02
EP0157356B1 (fr) 1991-01-16
DE3581302D1 (de) 1991-02-21
EP0157356A3 (en) 1988-06-15
US4609976A (en) 1986-09-02
SG60991G (en) 1991-12-13
DE3412437A1 (de) 1985-10-03

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