EP0004503A2 - Taschenlampengehäuse - Google Patents

Taschenlampengehäuse Download PDF

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Publication number
EP0004503A2
EP0004503A2 EP79400169A EP79400169A EP0004503A2 EP 0004503 A2 EP0004503 A2 EP 0004503A2 EP 79400169 A EP79400169 A EP 79400169A EP 79400169 A EP79400169 A EP 79400169A EP 0004503 A2 EP0004503 A2 EP 0004503A2
Authority
EP
European Patent Office
Prior art keywords
battery
push button
housing
housing according
cradle
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
EP79400169A
Other languages
English (en)
French (fr)
Other versions
EP0004503B1 (de
EP0004503A3 (en
Inventor
Bernard Dizière
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0004503A2 publication Critical patent/EP0004503A2/de
Publication of EP0004503A3 publication Critical patent/EP0004503A3/fr
Application granted granted Critical
Publication of EP0004503B1 publication Critical patent/EP0004503B1/de
Expired legal-status Critical Current

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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
    • F21L2/00—Systems of electric lighting devices

Definitions

  • the present invention relates to the housings of electric pocket lamps powered by batteries.
  • the currently known embodiments always use the same type of contacts, consisting in putting each of the battery terminals in permanent connection with a flexible metal blade, one of which ends at the end of the base of the bulb and the '' comes to rest on the cylindrical part of the sleeve by elastic deformation under the action of a push button movable in translation, thus closing the electrical circuit.
  • These contact blades are either incorporated into the mold before injection of the plastic material, or introduced after demolding the housing in housings provided for this purpose. Both of these manufacturing methods have the disadvantage of being expensive and of being often deteriorated in the areas of implantation of the contact blades due to the variation in elasticity of the plastic materials under the influence of low temperatures or aging.
  • US Patent 1,404,077 provides a removable battery in the housing of an electric lamp.
  • the electric circuit battery-light bulb is closed or opened by actuating a push button outside the housing which allows the battery to be moved axially in order to put the battery pad in contact or out of contact with the base of the bulb.
  • flashlights such as those described in patent FR 69.16.548, which comprise a piece in one piece intended for fixing the lighting head as well as for housing the bulb, said piece being made of an electrically insulating material.
  • This patent FR 69.16.548 describes flashlights only intended for cylindrical batteries and moreover comprising two metal plugs 7 and 9 and a switch device provided with a blade in contact with the pole. of the stack opposite the stud of said cylindrical stack and coming into contact with one of the plugs.
  • Flashlights according to the cited French patent have a complex assembly and are therefore expensive to manufacture.
  • the housing according to the invention makes it possible to avoid all of the drawbacks set out above by limiting the number of metal parts entering into its production to one, which part, possibly, can be easily replaced in the event of deterioration.
  • the housing object of the invention consists mainly of a lower body and an upper body of plastic material assembled by elastic clipping.
  • the upper body comprises the parabolic reflector and the glass as well as a removable shouldered ring made of plastic molded on a metal socket comprising, obtained by pushing back, threads in which the electric bulb is screwed, which metal socket has at its base a flexible metal blade intended to make contact with the pole of the battery.
  • the lower body of rectangular section comprises, in the upper part of one of its small faces, a through groove in the joint plane of the upper and lower bodies in which the axis of a push button moves in translation, which controls the alternating vertical displacement of a cradle supporting the battery so as to bring the terminals of the latter into contact with the metal blade of the socket and of the lamp base to close the electrical circuit.
  • the housing consists of a lower body 1 and an upper body 2 which are assembled by clipping along a horizontal joint.
  • the upper body has in the upper part a hemispherical bulge in which is embedded a parabolic reflector 3 held in position by the positioning of the glass 4 in the recess formed by the edges of the hemispherical bulge, achieving by the elasticity of the material a crimp of the assembly.
  • the reflector 3 carries in its center a bore in which a forced ring 5 made of plastic material molded onto a metal socket 6 having, obtained by pushing back, threads into which the bulb 7 is screwed in.
  • the socket 6 comprises a flexible metal blade 8 intended to make contact with the pole of the battery.
  • the lower body 2 of rectangular section comprises, in the upper part of one of its small faces, a groove 9 opening into the contiguous plane of the upper and lower body in which the axis 10 of a button moves in translation.
  • pusher 11 controlling the alternating vertical movement of a cradle 12 supporting laterally and above and below the stack 13, so as to put or not in contact the terminals thereof with the metal blade 8 of the socket 6 and with the base of the bulb 7.
  • the lateral sides of the cradle are inclined to locate the lower cross member under the middle part of the stack, the retainer upper limit is limited to a few millimeters of overlap of the transverse edge of the stack so as not to interfere with one of the terminals thereof.
  • Immobilization of the pusher 11 in the "on” or “off” position is achieved by cutting the groove 9, which cut is made up of two intersecting circular orifices 9a and 9b, opening onto the joined plane of the upper and lower bodies by a parallel edge groove 9c.
  • the diameter of the orifices 9a and 9b on the one hand and the width of the groove 9c and of the constriction 9d created by the intersection of said orifices on the other hand correspond respectively, apart from the functional clearances, to the stepped diameters 10a and 10b of the axis 10 of the push button.
  • the alternation of these diameters to allow the translation of said push button is obtained by pressing along arrow F, causing a translation of the axis of the push button in this direction, the comparison of the diameter 10b with the thickness of the housing being made possible by the elasticity of the wings of the push button, the curved ends of which are in permanent support on the external face of the housing.
  • the vertical guide in translation of the push button is obtained by means of two ribs 14 laterally framing said push button.
  • the shouldered ring may comprise, executed in the material which constitutes it, the threads in which the bulb is screwed, the flexible metal blade 8 then being alone incorporated into the ring so that its end can come in contact with the socket after screwing it.
  • the invention applies to the production of all electric flashlight housings.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP79400169A 1978-03-29 1979-03-15 Taschenlampengehäuse Expired EP0004503B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7810686 1978-03-29
FR7810686A FR2421335A1 (fr) 1978-03-29 1978-03-29 Nouveau boitier pour lampe electrique de poche

Publications (3)

Publication Number Publication Date
EP0004503A2 true EP0004503A2 (de) 1979-10-03
EP0004503A3 EP0004503A3 (en) 1979-10-31
EP0004503B1 EP0004503B1 (de) 1981-11-25

Family

ID=9206968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79400169A Expired EP0004503B1 (de) 1978-03-29 1979-03-15 Taschenlampengehäuse

Country Status (4)

Country Link
US (1) US4241384A (de)
EP (1) EP0004503B1 (de)
DE (1) DE2961398D1 (de)
FR (1) FR2421335A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227826A (en) * 1989-01-18 1990-08-08 Quintech Corp Vehicle lamp with versatile mounting capability

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD351244S (en) 1993-02-19 1994-10-04 Hip Shing Fat Co., Ltd. Flashlight
US6434338B1 (en) 2000-04-24 2002-08-13 Eastman Kodak Company Camera with dual-function battery/manual operating button unit
DE10311521B4 (de) * 2003-03-17 2010-11-11 Robert Bosch Gmbh Sensorelement, insbesondere Ölstandssensorelement, sowie Fluidsensor damit
US20120314403A1 (en) * 2011-06-08 2012-12-13 Xenonics Holdings, Inc. Long range multi-function illumination device and method of use
DK201100777A (en) * 2011-10-07 2013-04-08 Beck Lars Cykellygte
CN105980767B (zh) 2013-12-12 2019-12-31 科尔曼公司 适于便携式照明装置的电池寿命延长器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1404077A (en) * 1921-01-18 1922-01-17 Vince Joseph Flash light
US2599254A (en) * 1948-08-26 1952-06-03 Gits Molding Corp Angular head flashlight casing, including a readily attachable reflector contact means
NL6906921A (de) * 1968-05-21 1969-11-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227826A (en) * 1989-01-18 1990-08-08 Quintech Corp Vehicle lamp with versatile mounting capability
GB2227826B (en) * 1989-01-18 1992-09-30 Quintech Corp Vehicle lamp with versatile mounting capability

Also Published As

Publication number Publication date
US4241384A (en) 1980-12-23
EP0004503B1 (de) 1981-11-25
FR2421335B1 (de) 1980-10-31
FR2421335A1 (fr) 1979-10-26
EP0004503A3 (en) 1979-10-31
DE2961398D1 (en) 1982-01-28

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