EP2715214B1 - Lampe de poche à faisceau focalisable - Google Patents

Lampe de poche à faisceau focalisable Download PDF

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Publication number
EP2715214B1
EP2715214B1 EP12740290.7A EP12740290A EP2715214B1 EP 2715214 B1 EP2715214 B1 EP 2715214B1 EP 12740290 A EP12740290 A EP 12740290A EP 2715214 B1 EP2715214 B1 EP 2715214B1
Authority
EP
European Patent Office
Prior art keywords
clamping
lamp head
flashlight
clamping device
clamping body
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.)
Active
Application number
EP12740290.7A
Other languages
German (de)
English (en)
Other versions
EP2715214A2 (fr
Inventor
Rainer Opolka
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.)
Zweibrueder Optoelectronics GmbH
Original Assignee
Zweibrueder Optoelectronics GmbH
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 Zweibrueder Optoelectronics GmbH filed Critical Zweibrueder Optoelectronics GmbH
Priority to EP14167489.5A priority Critical patent/EP2789895B1/fr
Priority to PL12740290T priority patent/PL2715214T3/pl
Publication of EP2715214A2 publication Critical patent/EP2715214A2/fr
Application granted granted Critical
Publication of EP2715214B1 publication Critical patent/EP2715214B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F21L4/022—Pocket lamps
    • F21L4/027—Pocket lamps the light sources being a LED
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/04—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/04—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
    • F21L4/045—Pocket lamps
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a flashlight with a housing, a light source, a lamp head with an attachment optics, which is longitudinally axially displaceable for focusing the emitted light cone relative to the light source and a clamping device for fixing the lamp head in a selectable longitudinal axial position.
  • Flashlights are already known in the art.
  • DE 29 50 850 C2 describes a luminaire which emits a substantially parallel light beam when the luminous body is at the focal point of the paraboloid of the reflector.
  • the beam can be changed by moving the bulb and the battery housing axially with respect to the lamp head and the reflector.
  • Such an axial displacement can be achieved by moving the cylinder sleeve axially with respect to the battery housing.
  • This axial movement can be done either by a simple axial sliding movement or by a rotational movement, together with a thread or with a slanted-slot guide system, for example, an oblique slot is provided in the lamp head, in which a pin engages, which is arranged on the battery housing ,
  • a disadvantage of such a flashlight is that the setting of the relative position between the lamp head or reflector and light source should be as smooth as possible, but this has the consequence that the relative position between the lamp head or reflector and light source already moved unintentionally even with slight shocks can be, which adjusts the set focus.
  • this problem is frequently observed.
  • a flashlight which can be focused and whose Larnpenkopf is fixed by means of a clamping device in a selectable longitudinal axial position, goes out US 4,398,238 out.
  • the clamping device has a clamping body which is rotatable about the longitudinal axis of the flashlight and has at least one clamping element which is arranged at the end and can be pivoted or spread in the radial direction.
  • the possibility is advantageously created to connect a smooth and precisely adjustable focusing mechanism with a fixation possibility of the lamp head, so that the set focus position can not be adjusted.
  • a frictional or positive fixing of the lamp head is provided, wherein the clamping device is preferably operable via a rotational movement of the lamp head relative to the housing.
  • the focus position can be easily and precisely adjusted by longitudinal axial displacement of the lamp head, wherein the position can be fixed by a rotational movement of the lamp head. Both settings can be performed with one hand, which also increases the usability of the flashlight.
  • constructions are conceivable in which the longitudinal axial displacement of the reflector is effected relative to the light source by a rotational movement and the fixation by a longitudinal axial displacement of the lamp head.
  • the use of an expansion cone is suitable.
  • the clamping element slides on a rotation of the clamping body on a Bearing surface which is arranged so that the clamping element is increasingly pivoted or spread with increasing rotation of the clamping body in the radial direction.
  • the ramp surface on the one hand arranged parallel to the peripheral line of the flashlight and the clamping element may be tapered, or the ramp surface is aligned at an angle to the peripheral line of the flashlight and the clamping element has a constant thickness.
  • the lamp head In the assembled state of the flashlight, the lamp head surrounds the clamping device, so that an annular gap arises between the clamping device and the lamp head.
  • the clamping element is not pivoted or spread in the radial direction, so that the desired focus position can be adjusted.
  • the clamping element is preferably pivoted radially in such a way that it presses against the inner lateral surface of the lamp head, so that the lamp head is fixed in a frictionally engaged manner.
  • the clamping body has a driver, which engages in a groove of the lamp head, so that the clamping body is rotatable by rotation of the lamp head.
  • the clamping device maintains the set position even with strong shocks, preferably the clamping device in the clamping state in a detent position can be transferred, including the clamping body, in particular the clamping element, and / or the support surface, a groove and / or a corresponding locking lug.
  • the clamping device engages at a certain swept angle of rotation in a locked position, so that the lamp head is not unintentionally turned back into the unfixed position.
  • the present invention is not limited to clamping bodies having a single clamping element, but Klemrri emotions are also provided which have a plurality, preferably two, clamping elements.
  • the clamping body and in particular the clamping elements are formed as plastic injection molded parts.
  • the clamping device 1 has a clamping body 2 which is rotatably mounted about the longitudinal axis A of the flashlight 3.
  • the clamping body 1 rests on a base 5, on which in central position a light source, preferably an LED 21, is arranged.
  • a light source preferably an LED 21
  • the outer surfaces of the kidney-shaped elements 6, 6 'as run-on surfaces 7, 7' are formed.
  • the kidney-shaped elements 6, 6 ' serve as spacers for a cover plate 8 (see Fig. 2 ), which covers the clamping device 1 for attachment optics 20.
  • the clamping body 2 consists essentially of a along the diameter of the flashlight 3 arranged web 9, wherein for the implementation of the LED 21, a central recess 10 is provided. On the web 9, two clamping elements 11, 11 'are pivotally mounted in the radial direction, in abutment with the ramp surfaces 7, 7 'are.
  • the clamping body 2 has a radially projecting driver 12, which rests in the assembled state in a groove 13 of the lamp head 14.
  • an annular gap 17 is formed between the lamp head 14 and the housing 16 or the base 5, so that the lamp head 14 can be displaced in the longitudinal axial direction (arrow 4).
  • Fig. 2a shows an exploded view of a flashlight 3 with the housing 16, the lamp head 14, the base 5, the clamping body 2 and the cover plate. 8
  • the operation of the present flashlight is based on the sectional view of Fig. 3 to recognize.
  • the flashlight housing 16 has at its front end a base 5 which is connected to the cover plate 8 spaced. Between the cover plate 8 and the base 5, the clamping device 1 with the clamping elements 11, 11 'is arranged. Flashlight housing 16, base 5, clamping device 1 and cover plate 8 are encompassed by the lamp head 14, on the front side of an attachment optics 20 is arranged. In the unfixed position, the lamp head 14 can be moved longitudinally with respect to the LED 21, whereby the desired focus adjustment can be selected.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Stroboscope Apparatuses (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Claims (7)

  1. Lampe de poche comprenant un boîtier (16), une source de lumière, une tête de lampe (14) ayant une optique auxiliaire (20), qui, pour focaliser le cône de lumière émis, est déplaçable suivant la direction de l'axe longitudinal par rapport à la source de lumière, ainsi qu'un dispositif de serrage (1) pour la fixation de la tête de lampe (14) dans une position choisissable suivant l'axe longitudinal,
    caractérisée par le fait que ledit dispositif de serrage (1) possède un corps de serrage (2) tournant autour de l'axe longitudinal de la lampe de poche (3) et ayant au moins un élément de serrage (11, 11') disposé à l'extrémité et apte à être pivoté ou écarté dans la direction radiale.
  2. Lampe de poche selon la revendication 1, caractérisée par une fixation entraînée par friction ou à engagement positif de la tête de lampe (14), ledit dispositif de serrage (1) pouvant être manoeuvré de préférence par l'intermédiaire d'un mouvement rotatif de la tête de lampe (14).
  3. Lampe de poche selon la revendication 1, caractérisée par le fait que, lors d'une rotation du corps de serrage (2), ledit élément de serrage (11, 11') glisse sur une surface formant rampe (7, 7') qui est disposée de telle manière que, plus le corps de serrage (2) est tourné, plus ledit élément de serrage (11, 11') est pivoté ou écarté dans la direction radiale.
  4. Lampe de poche selon la revendication 3, caractérisée par le fait que
    a) ladite surface formant rampe (7, 7') est disposée parallèlement à la ligne circonférentielle de la lampe de poche (3) et ledit élément de serrage (11, 11') est réalisé de manière à se rétrécir, ou
    b) ladite surface formant rampe (7, 7') est orientée de façon angulaire par rapport à la ligne circonférentielle de la lampe de poche (3) et ledit élément de serrage (11, 11') présente une épaisseur (15) constante.
  5. Lampe de poche selon l'une quelconque des revendications 1 à 4, caractérisée par le fait que ledit élément de serrage (11, 11'), lors de son pivotement radial, pousse contre la nappe intérieure de la tête de lampe (14) de telle sorte que la tête de lampe (14) est logée par friction.
  6. Lampe de poche selon l'une quelconque des revendications 1 à 5, caractérisée par le fait que ledit corps de serrage (2) présente un entraîneur (12) qui s'engage dans une rainure (13) de la tête de lampe (14) de sorte que le corps de serrage (2) peut être tourné par une rotation de la tête de lampe (14).
  7. Lampe de poche selon l'une quelconque des revendications 1 à 6, caractérisée par le fait que, en état de serrage, on peut faire passer le dispositif de serrage (1) dans une position d'arrêt ce pour quoi le corps de serrage (2), en particulier l'élément de serrage (11, 11'), et/ou la surface formant rampe (7, 7') présente une rainure (13) et/ou un nez d'arrêt (19, 19') correspondant.
EP12740290.7A 2011-05-25 2012-05-10 Lampe de poche à faisceau focalisable Active EP2715214B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14167489.5A EP2789895B1 (fr) 2011-05-25 2012-05-10 Lampes de poche focalisables
PL12740290T PL2715214T3 (pl) 2011-05-25 2012-05-10 Latarka kieszonkowa z możliwością ogniskowania

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2011001148 2011-05-25
DE202011109155U DE202011109155U1 (de) 2011-05-25 2011-12-15 Fokussierbare Taschenlampe
PCT/DE2012/000481 WO2012159601A2 (fr) 2011-05-25 2012-05-10 Lampe de poche à faisceau focalisable

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP14167489.5A Division EP2789895B1 (fr) 2011-05-25 2012-05-10 Lampes de poche focalisables
EP14167489.5A Division-Into EP2789895B1 (fr) 2011-05-25 2012-05-10 Lampes de poche focalisables

Publications (2)

Publication Number Publication Date
EP2715214A2 EP2715214A2 (fr) 2014-04-09
EP2715214B1 true EP2715214B1 (fr) 2015-11-18

Family

ID=46967644

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14167489.5A Active EP2789895B1 (fr) 2011-05-25 2012-05-10 Lampes de poche focalisables
EP12740290.7A Active EP2715214B1 (fr) 2011-05-25 2012-05-10 Lampe de poche à faisceau focalisable

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP14167489.5A Active EP2789895B1 (fr) 2011-05-25 2012-05-10 Lampes de poche focalisables

Country Status (11)

Country Link
US (1) US9086195B2 (fr)
EP (2) EP2789895B1 (fr)
JP (1) JP5881819B2 (fr)
CN (1) CN103249987B (fr)
AU (1) AU2012261379B2 (fr)
DE (1) DE202011109155U1 (fr)
DK (1) DK2715214T3 (fr)
ES (1) ES2560828T3 (fr)
PL (1) PL2715214T3 (fr)
RU (1) RU2571948C2 (fr)
WO (1) WO2012159601A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203147299U (zh) 2013-02-26 2013-08-21 陈贤青 一种双透镜变焦手电筒
CN107420800B (zh) * 2017-08-22 2023-03-10 漳州立达信光电子科技有限公司 一种3d旋转筒灯
USD879345S1 (en) 2018-02-01 2020-03-24 E. Mishan & Sons, Inc. Flashlight
DE102019122679B4 (de) * 2019-08-23 2025-07-03 Ledlenser GmbH & Co. KG Fokussierbare Taschenlampe

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286311A (en) * 1978-04-07 1981-08-25 Anthony Maglica Flashlight
GB2037416B (en) 1978-12-21 1983-05-11 Sassmannshause K Lamps
US4398238A (en) * 1981-12-04 1983-08-09 Kel-Lite Industries, Inc. Variable focus flashlight
US5806964A (en) * 1984-09-06 1998-09-15 Mag Instrument, Inc. Miniature flashlight
US4656565A (en) * 1984-09-06 1987-04-07 Mag Instrument, Inc. Flashlight
GB2239937B (en) * 1990-01-16 1993-02-17 Howard Wang Flashlight
US5138537A (en) * 1991-10-28 1992-08-11 Howard Wang Variable light beam flashlight
US6004008A (en) * 1998-03-26 1999-12-21 Plum Industrial Co., Ltd. Multi-functional flashlight
US8733966B2 (en) * 2004-08-20 2014-05-27 Mag Instrument, Inc. LED flashlight
TW200813365A (en) * 2006-09-15 2008-03-16 Wen-Chin Shiau LED flashlight
CN101757282B (zh) * 2008-12-24 2012-02-29 天津中新药业集团股份有限公司乐仁堂制药厂 一种治疗胃肠疾病的中药巴布剂及其制备方法
US8152327B2 (en) * 2009-10-02 2012-04-10 Coast Cutlery Company Focusing lens system
CN201787347U (zh) * 2010-08-06 2011-04-06 深圳市威火科技开发有限公司 一种可快速调焦的手电筒
CN202048383U (zh) * 2011-04-28 2011-11-23 叶秀敏 一种led手电筒

Also Published As

Publication number Publication date
US20140168959A1 (en) 2014-06-19
EP2715214A2 (fr) 2014-04-09
JP5881819B2 (ja) 2016-03-09
ES2560828T3 (es) 2016-02-23
PL2715214T3 (pl) 2016-05-31
US9086195B2 (en) 2015-07-21
NZ628111A (en) 2016-02-26
RU2571948C2 (ru) 2015-12-27
DK2715214T3 (en) 2016-02-01
NZ611309A (en) 2014-08-29
AU2012261379A1 (en) 2013-08-01
RU2013147675A (ru) 2015-06-27
WO2012159601A2 (fr) 2012-11-29
EP2789895B1 (fr) 2015-11-18
CN103249987A (zh) 2013-08-14
WO2012159601A3 (fr) 2013-04-04
JP2014517994A (ja) 2014-07-24
CN103249987B (zh) 2017-03-01
DE202011109155U1 (de) 2012-08-30
AU2012261379B2 (en) 2015-02-05
EP2789895A1 (fr) 2014-10-15

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