EP0214424A2 - Support pour lampe électrique à incandescence avec culot à baionnette - Google Patents

Support pour lampe électrique à incandescence avec culot à baionnette Download PDF

Info

Publication number
EP0214424A2
EP0214424A2 EP86110104A EP86110104A EP0214424A2 EP 0214424 A2 EP0214424 A2 EP 0214424A2 EP 86110104 A EP86110104 A EP 86110104A EP 86110104 A EP86110104 A EP 86110104A EP 0214424 A2 EP0214424 A2 EP 0214424A2
Authority
EP
European Patent Office
Prior art keywords
opening
socket
socket according
incandescent lamp
guide tabs
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
EP86110104A
Other languages
German (de)
English (en)
Other versions
EP0214424A3 (en
EP0214424B1 (fr
Inventor
Franz-Josef Böhle
Hans-Peter Brockmeyer
Theodor Brügger
Klaus Panzer
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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 Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Priority to AT86110104T priority Critical patent/ATE66548T1/de
Publication of EP0214424A2 publication Critical patent/EP0214424A2/fr
Publication of EP0214424A3 publication Critical patent/EP0214424A3/de
Application granted granted Critical
Publication of EP0214424B1 publication Critical patent/EP0214424B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/46—Two-pole devices for bayonet type base
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing

Definitions

  • the invention relates to a socket for an electric incandescent lamp with a bayonet base, made from a sheet metal plate into which an opening for inserting the incandescent lamp base is made and from which two receptacles for the base pins projecting radially from the incandescent base and having the opening projecting through the opening End portion of the bulb base on a part of its jacket comprehensive guide tabs are cut, bent and molded.
  • the guide tabs are cut out of the area of the board and bent out, which is punched out as an opening for inserting the bulb base.
  • the length of the guide tab corresponds to at most half the diameter of the opening.
  • a lamp holder for incandescent lamps with a bayonet base is known, which is made into a sleeve by rolling an essentially rectangular plate, from which two slots forming the bayonet catch are cut out.
  • Such a version has the Disadvantage that the sleeve can be bent when inserting the bulb, so that the bulb base does not get a sufficiently good fit.
  • Such expansion of the sleeve occurs in particular when radially directed forces act on the upper edge. This is particularly the case if the incandescent lamp is used tilted.
  • the lamp holder disclosed in DE-AS 15 83 224 has the same disadvantages.
  • This lamp holder is formed by a sleeve with a bottom, the cylindrical wall of which is formed by two wing-shaped areas punched out of the board, each of which is rolled into a ring and completed by right-angled bending to the sleeve wall.
  • the sleeve base serves as a receiving part for the center contact of the incandescent lamp.
  • the object of the invention is to provide a version with the features of the generic term, in which neither the length of the guide tabs nor the arc on which the guide tabs enclose the bulb base is limited by the size of the opening for the passage of the bulb base. However, it should be maintained that the edge region of the opening receiving the bulb base is closed in a ring shape.
  • At least one of the guide tabs is cut out of an area of the circuit board lying outside the opening for the passage of the incandescent lamp base, around a first, tangential or coaxial to the opening and around a second, perpendicular to the first and in Bending line running on the same plane is bent out at least approximately at right angles and the end section bent out by two bending lines is formed as part of a cylinder jacket, the axis of which runs parallel to the second bending line.
  • the incandescent lamps used in practice have such a large diameter in the base that it is often sufficient to punch out one of the guide tabs from an area outside the opening and to punch out the second guide tab from the area which forms the opening after the punching out.
  • the guide tabs in the area between the two bending lines have a latching element for fixing the socket in its receiving part.
  • This latching element is designed as an opening into which a head of a resilient arm of the receptacle of the lamp holder made of plastic protrudes and engages behind an edge of this opening. It is advantageous if the resilient arm extends between the section of the guide tab having the latching element and the bulb base. This embodiment ensures that when the incandescent lamp is inserted, the latching between the lamp base and its receiving part cannot be released, since the resilient arm is supported on the incandescent lamp base.
  • At least one notch in the opening edge goes over such a large arc of the opening circumference that the Slot opening in the guide tabs can be introduced in different positions.
  • the upper edge of the guide tabs protruding into the notches forms an insertion lock for incandescent lamps which do not have the prescribed position of the base pins.
  • the clear width between the two guide tabs is made slightly smaller than the diameter of the bulb. This ensures that the guide tabs enclose the incandescent lamp bulb closely and, if possible, with pretension. In order to still be able to use the light bulb easily, the edge of the guide tabs adjacent to the opening is flared outwards.
  • the blank shown in FIG. 1 is punched out of a sheet metal plate or from a sheet metal strip. It shows the opening 1 for inserting the incandescent lamp, the two guide tabs 2 and 3 with the receiving slots 4 and 5 for the socket pins 27 which protrude radially from the incandescent lamp socket 28.
  • the guide tabs 2 and 3 are formed after they have been formed in a circular arc around the axes 8 , bent at right angles around the bending lines 6 and 7.
  • the socket lies with its outer flange 9 on a flat support 24 of the receiving part 10 made of plastic. So that it assumes the correct position with respect to its receiving part, openings 11 are made in the flange, into which catch pins 12 of the receiving part 10 engage.
  • the guide tabs 2 and 3 are bent away at a right angle around the bending line 7 in the direction of insertion of the bulb base, so that they run parallel to the bulb axis. Furthermore, the guide tabs 2 and 3 are given a further bend, specifically around the bending line 6, so that the section of the guide tabs which has the bayonet slots 4 and 5 and which has previously been bent in a circular arc around the axes 8, forms part of the jacket of a circular cross section Cylinder forms.
  • the bayonet slots 4, 5 receiving the base pins 27 of the incandescent lamp are closed at the bottom as seen in the direction of insertion of the incandescent lamp.
  • the bayonet slots 4 and 5 are open toward the upper edge 14 of the guide tabs 2 and 3, so that the base pins 27 of the incandescent lamp can be inserted into the bayonet slots from above.
  • notches e n 15, 16 are introduced into the edge of the opening, through which the base pins 27 of the incandescent lamp are pushed when inserted.
  • These notches 15, 16 extend over such a large arc of the circumference of the opening 1 that no single notches and thus special tools are required for single-filament and multi-filament incandescent lamps in which the base pins have a different position from one another.
  • the different positions of the base pins for different types of incandescent lamps are taken into account in that the bayonet slots 4, 5 are given a different position in the guide tabs. If an attempt is made to insert a wrong incandescent lamp into the socket, at least one of the two opposite base pins of the incandescent lamp hits the upper edge 14 of the guide tabs 2, 3.
  • the clear diameter between the two guide tabs 2, 3 is selected so that the guide tabs bear against the bulb base under pretension. So that the bulb socket does not hit the edge 14 of the guide tabs 2, 3 when it is inserted and can therefore not be inserted at all or only with difficulty, the upper region 17 is bent outwards in a funnel shape and is thus designed as a run-out slope.
  • the edge 18 of the opening 1 is drawn in in the direction of insertion of the bulb base. This retracted edge 18 facilitates the insertion of the bulb base, in particular if the diameter of the opening 1 is only slightly larger than the diameter of the bulb base 28. This gives the bulb base a firm, non-resilient support in this area.
  • the guide tabs 2, 3 have an opening 19 in the area between the two mutually perpendicular bending lines 6, 7, into which the head 20 of the resilient arms 21 formed on the receiving part 10 engages and engages behind the edge 22.
  • the resilient arms 21 of the receiving part engage from the side of the incandescent lamp into the opening 19 of the guide tabs, so that they extend between the guide tabs 2, 3 and the bulb base 28.
  • FIG. 7 shows a second embodiment of the guide tab on the right side.
  • This guide tab designated as 2a, has on its edge adjacent to the opening 1 a tongue 26 which projects through a recess in the flange 9. The protruding end is angled.
  • the guide tab 2a is fixed so that it cannot be bent back when the bulb 28 is inserted.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Connecting Device With Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP86110104A 1985-08-31 1986-07-23 Support pour lampe électrique à incandescence avec culot à baionnette Expired - Lifetime EP0214424B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86110104T ATE66548T1 (de) 1985-08-31 1986-07-23 Fassung fuer eine elektrische gluehlampe mit bajonettsockel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3531166 1985-08-31
DE3531166A DE3531166C1 (de) 1985-08-31 1985-08-31 Fassung fuer eine elektrische Gluehlampe mit Bajonettsockel

Publications (3)

Publication Number Publication Date
EP0214424A2 true EP0214424A2 (fr) 1987-03-18
EP0214424A3 EP0214424A3 (en) 1988-09-21
EP0214424B1 EP0214424B1 (fr) 1991-08-21

Family

ID=6279845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110104A Expired - Lifetime EP0214424B1 (fr) 1985-08-31 1986-07-23 Support pour lampe électrique à incandescence avec culot à baionnette

Country Status (6)

Country Link
US (1) US4762503A (fr)
EP (1) EP0214424B1 (fr)
AT (1) ATE66548T1 (fr)
BR (1) BR8604128A (fr)
DE (1) DE3531166C1 (fr)
ES (1) ES1000139Y (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7093742B2 (en) * 2003-08-21 2006-08-22 Kyocera Wireless Corp. Belt clip attachment device and method of use
US8267710B2 (en) * 2005-02-23 2012-09-18 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Connection apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1229185A (en) * 1917-03-15 1917-06-05 Henry Von Holle Incandescent-electric-lamp plug.
US1935146A (en) * 1929-10-23 1933-11-14 Harry A Douglas Electric lamp
US1978115A (en) * 1933-11-23 1934-10-23 John M Roper Single contact electric socket
US2110135A (en) * 1935-01-21 1938-03-08 Kingston Products Corp Electric lighting means
GB546041A (en) * 1941-03-05 1942-06-24 Belling & Company Ltd Improvements in electric lamp holders and the like
US2646477A (en) * 1949-10-21 1953-07-21 Wade Electric Products Co Light and switch combination
DE1624383U (de) * 1950-03-15 1951-06-14 Bosch Gmbh Robert Lampentraeger aus blech, insbesondere fuer hilfsleuchten an kraftfahrzeugen.
FR96464E (fr) * 1967-12-20 1972-06-30 Lucas Industries Ltd Support perfectionné pour ampoule électrique, destiné a etre utilisé avec une plaque de circuit imprimé.
GB1458193A (en) * 1973-05-24 1976-12-08 Vega Auto Products Ltd Electric lamps for vehicles
GB1469518A (en) * 1973-09-29 1977-04-06 Butlers Ltd Lamp assembly
FR2416571A1 (fr) * 1978-02-06 1979-08-31 Legrand Sa Douille de support pour lampe, en particulier pour circuit imprime

Also Published As

Publication number Publication date
US4762503A (en) 1988-08-09
ES1000139Y (es) 1988-06-01
EP0214424A3 (en) 1988-09-21
BR8604128A (pt) 1987-04-22
EP0214424B1 (fr) 1991-08-21
ATE66548T1 (de) 1991-09-15
DE3531166C1 (de) 1987-05-07
ES1000139U (es) 1988-01-16

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