EP0236649A1 - Elektrische Lampe, insbesondere Taschenlampe - Google Patents

Elektrische Lampe, insbesondere Taschenlampe Download PDF

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Publication number
EP0236649A1
EP0236649A1 EP86402891A EP86402891A EP0236649A1 EP 0236649 A1 EP0236649 A1 EP 0236649A1 EP 86402891 A EP86402891 A EP 86402891A EP 86402891 A EP86402891 A EP 86402891A EP 0236649 A1 EP0236649 A1 EP 0236649A1
Authority
EP
European Patent Office
Prior art keywords
housing
bulb
longitudinal
longitudinal direction
pressure means
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.)
Withdrawn
Application number
EP86402891A
Other languages
English (en)
French (fr)
Inventor
Jean-Pierre Rousseau
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 EP0236649A1 publication Critical patent/EP0236649A1/de
Withdrawn legal-status Critical Current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

  • an electric lamp of the kind defined above is characterized in that the pressure means are provided at a longitudinal end of the housing and comprise at least one tongue partially cut out from the wall of the housing and connected to the latter by an edge, the transverse elasticity of the tongue being provided by the material of the housing.
  • Pressure means P are also provided on the housing 2 to be actuated by the user and to control the closing of the supply circuit comprising the connection means C to cause the light bulb 6 to light up.
  • the pressure means P are advantageously provided at one longitudinal end of the housing 2, the upper end as shown in FIGS. 1 and 2, while the other end 10 extrémemper of the housing is open.
  • These pressure means P comprise, in the example illustrated, several tongues 11 cut partially in the cylindrical wall of the housing and connected to the latter by a transverse edge 12 (FIGS. 1 and 2). It is clear that the expression “cut” must be understood in a broad sense and essentially means that the tongues are separated from each other by slots 13 which can come directly from molding, without requiring a cutting operation.
  • the tongues 11 as well as the slots 13 are oriented in the longitudinal direction L.
  • the bearing surface B for each tongue, is constituted by an inclined surface 17 forming a ramp, provided at the end 15 of each spout.
  • This surface 17 deviates from the axis A when it is directed towards the inside of the housing 2 in the direction L.
  • the set of surfaces 17 determines a crown of frustoconical surface, located on a cone whose apex is located outside the housing 2, on the axis A, on the side of the spouts 14 opposite the housing 2.
  • the conjugate surface D is constituted by the convex surface of the globe 7 of the bulb, and more precisely by the area of this surface convex which is in contact with the surfaces 17. This area of the surface of the globe 7 is also inclined relative to the axis A; generally, the globe 7 has a spherical shape.
  • the convex surface of the globe 7 projects, partially, outward through the opening 16 limited by the spouts 14.
  • the electrical connection means C comprise a compression spring 18 which has a frustoconical helical shape.
  • the end 19 of smaller diameter of this spring is used to hold the bulb 2.
  • the base 8 can be engaged inside the turns of the spring 18.
  • the bulb can rest against the end of small diameter of the spring, only the frustoconical part of the insulator, which separates the central stud 9 from the base 8, being engaged in the spring.
  • the larger 20 ⁇ end of this spring bears against the peripheral edge 21 of the adjacent transverse end of the battery 4 and establishes electrical contact with this edge 21 which is connected to a pole of the battery, such as the pole.
  • the entire outer cylindrical envelope of the stack 4 constitutes the pole - of the stack.
  • the other pole of this battery is constituted by a central patch 22, electrically isolated from the envelope, and located at the end of the battery next to the bulb 6. At rest, when the circuit is open, a distance j ( Figure 1) exists between the patch 22 and the central stud 9 of the bulb. In operation (FIG. 2) the central stud 9 comes to bear and in electrical contact against the pad 22.
  • this assembly After installing the base 8 of the bulb 6 in the turns of the spring 18, by the small diameter end 19 of this spring, this assembly is buried in the housing 2, by the open end 10 ⁇ so that the globe 7 of the bulb comes to bear against the ends of the spouts 14 and slightly protrude outwards through the opening 16.
  • the user exerts the pressure force on at least two diametrically opposite tongues 11 by tightening the end of the housing 2 between the thumb and the index finger.
  • the housing 2 by holding the housing 2 in the palm of the hand and by exerting a tightening on the end of this housing provided with the tongues 11, the user acts on almost all of the tongues.
  • the holding of the housing 2 in the palm of the hand and the lighting control by pressure on the end of the housing are particularly simple and of practical implementation, making it possible to establish good contact electric.
  • the bulb 6 is pushed back by the spring 18, so that the circuit opens and the bulb goes out.
  • the force of the spring 18 is chosen so that an inadvertent ignition of the lamp, for example when this lamp is in the pocket of a user, and is subjected to the weight of another object contained in this pocket, does not could happen.
  • the element E mounted movable in the longitudinal direction L could be constituted by the stack 4 itself, the displacement of this stack also being caused by the transformation of a radial force into longitudinal force.
EP86402891A 1986-01-02 1986-12-22 Elektrische Lampe, insbesondere Taschenlampe Withdrawn EP0236649A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8600005A FR2592459B1 (fr) 1986-01-02 1986-01-02 Lampe electrique, notamment lampe de poche
FR8600005 1986-01-02

Publications (1)

Publication Number Publication Date
EP0236649A1 true EP0236649A1 (de) 1987-09-16

Family

ID=9330796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402891A Withdrawn EP0236649A1 (de) 1986-01-02 1986-12-22 Elektrische Lampe, insbesondere Taschenlampe

Country Status (4)

Country Link
US (1) US4747026A (de)
EP (1) EP0236649A1 (de)
CA (1) CA1274227A (de)
FR (1) FR2592459B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9909726B2 (en) 2013-12-12 2018-03-06 The Coleman Company, Inc. Battery life extender for portable lighting

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8703342D0 (en) * 1987-02-13 1987-03-18 Pullman B C Torches
WO1994019644A1 (en) * 1993-02-18 1994-09-01 Tomico Products, Inc. Low wattage light-enhancing collar
GB2299856B (en) * 1995-04-13 1999-03-24 Motorola Israel Ltd Position-determining input device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392186A (en) * 1980-12-15 1983-07-05 Avi Cziment Key with light in handle
EP0090393A1 (de) * 1982-03-26 1983-10-05 Jean-Pierre Rousseau Miniaturtaschenlampe
US4441142A (en) * 1981-07-21 1984-04-03 Amf Inc. Underwater flashlight

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2377083A1 (fr) * 1977-01-11 1978-08-04 Rousseau Jean Pierre Commutateur pour lampe de poche
DE8505037U1 (de) * 1985-02-22 1985-05-23 Trautz & Co Inh. Hans Spindler, 7530 Pforzheim Einwegtaschenlampe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392186A (en) * 1980-12-15 1983-07-05 Avi Cziment Key with light in handle
US4441142A (en) * 1981-07-21 1984-04-03 Amf Inc. Underwater flashlight
EP0090393A1 (de) * 1982-03-26 1983-10-05 Jean-Pierre Rousseau Miniaturtaschenlampe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9909726B2 (en) 2013-12-12 2018-03-06 The Coleman Company, Inc. Battery life extender for portable lighting
US10184620B2 (en) 2013-12-12 2019-01-22 The Coleman Company, Inc. Battery life extender for portable lighting

Also Published As

Publication number Publication date
FR2592459A1 (fr) 1987-07-03
CA1274227A (en) 1990-09-18
FR2592459B1 (fr) 1989-03-10
US4747026A (en) 1988-05-24

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