Interior lamp for an automotive vehicle

• US 5,357,408 A
• Filed: 10/08/1993
• Issued: 10/18/1994
• Est. Priority Date: 10/08/1993
• Status: Expired due to Term

• Current Assignee: International Automotive Components Group North America (Lear Corporation)
• Original Assignee: United Technologies Automotive, Inc. (Lear Corporation)
• Inventors: Lecznar, Mark T., Mykytiuk, William P.
• Primary Examiner(s): Lazarus, Ira S.
• Assistant Examiner(s): NOT, DEFINED
• Application Number:
  US08/134,095
• Time in Patent Office: 375 Days
• Field of Search: 362/74, 362/80, 362/833, 362/364, 362/365, 296/214
• US Class Current: 362/490
• CPC Class Codes: B60Q 3/51 for mounting lighting devices onto vehicle interior, e.g. onto ceiling or floor

Abstract

A lamp assembly of the present invention is used in the interior of an automotive vehicle and comprises a lens, an illumination source, and a shield. The shield has at least a pair of arms oppositely extending therefrom and each has at least a pair of fingers which engage the top and bottom sides of a headliner panel. The illumination source is affixed upon a mounting portion of the shield and the lens is at least partially attached to the shield. The lamp assembly may be a dome lamp or may alternately be a reading/courtesy lamp.

Claims

1. A lamp assembly for use in the interior of an automotive vehicle comprising:

a lens having a central portion thereof which is substantially optically transparent therethrough, said lens further having an appearance surface and an upper surface both of which are bordered by a peripheral edge therearound, said upper surface of said lens having a first fastening member and a second fastening member extending upward therefrom, said second fastening member being spatially interposed away from said first fastening member;

an illumination source;

an electricity carrying conductive member having said illumination source electrically connected thereto; and

a shield being defined by at least two attachment arms with a central segment therebetween, each of said attachment arms of said shield having at least two projecting fingers extending therefrom such that said fingers are offset from one another, said first fastening member of said lens being fastened to said shield such that said lens is retained therebelow, said central segment of said shield further having a mounting portion proximate therewith such that said illumination source is affixed thereto, said illumination source being substantially juxtapositioned between said central segment of said shield and said upper surface of said lens.

2. The lamp assembly of claim 1 wherein a headliner panel is defined by a headliner substrate and a decorative covering material which is located on a lower side thereof, said headliner panel further has a lower appearance side and an upper back side thereof mounted substantially adjacent to the bottom of a roof of said automotive vehicle, said headliner substrate and said decorative covering material also have an inside edge therein which defines an aperture therethrough, said fingers of said shield attachment arms are engagable with said appearance and back sides of said headliner panel, at least one of said fingers of each of said attachment arms are juxtapositioned to engage said back side of said headliner substrate and another of said fingers of each of said attachment arms are oppositely juxtapositioned and offset therefrom so as to engage said appearance side of said headliner panel, whereby said shield is retained to said headliner panel.

3. The lamp assembly of claim 2 wherein said central segment of said shield has three of said attachment arms triangularly interposed therefrom.

4. The lamp assembly of claim 3 wherein each of said attachment arms of said shield has at least three fingers extending therefrom, the outermost of said fingers is substantially co-planar with each other along said second plane created substantially horizontal therethrough.

5. The lamp assembly of claim 4 wherein:

said first fastening member of said lens has a snap fit construction with a resilient elongated portion upwardly extending therefrom with a barb shaped end thereon, said barb shaped end of said first fastening member is engaged with one of said fingers of said shield; and

said second fastening member of said lens has an inverted L shape thereto with an elongated leg upwardly projecting therefrom and a relatively shorter leg outwardly projecting thereabove, said shorter outwardly projecting leg of said second fastening member is engagable with said upper surface of said headliner panel;

whereby said lens is affixed to said headliner panel.

6. The lamp assembly of claim 2 wherein said substrate of said headliner panel is a compression moldable resin impregnated fibrous material.

7. The lamp assembly of claim 1 wherein said central segment of said shield acts as a light reflector.

8. The lamp assembly of claim 7 wherein said shield is made from a reflective metallic material.

9. The lamp assembly of claim 8 wherein said central segment of said shield is substantially parabolically shaped.

10. The lamp assembly of claim 1 wherein said illumination source further comprises:

a light bulb; and

a bulb socket having an electrical terminal section which retains said bulb and a mounting section which is affixed to said mounting portion of said shield.

11. The lamp assembly of claim 10 further comprising:

said mounting section of said bulb socket having an inside surface transversely oriented therein which defines a tunnel therethrough;

said mounting portion of said shield having an inside surface therein defining a bore therethrough, said bore of said shield being aligned with said tunnel of said bulb socket; and

a fastener being inserted through said tunnel of said bulb socket and through said bore of said shield, whereby said illumination source is mounted to said mounting portion of said shield.

12. The lamp assembly of claim 1 further comprising:

an electrical switch being mounted upon said lamp assembly and being electrically connected to said illumination source, said switch being operably accessible by an occupant of said automotive vehicle, whereby said illumination source can be directly electrically switched on and off.

13. The lamp assembly of claim 1 being preassembled to a modular headliner assembly.

14. A lamp assembly being affixed to a headliner panel in an automotive vehicle, said headliner panel being defined by a headliner substrate and a decorative covering material which is located on a lower side thereof, said headliner panel further having a lower appearance side and an upper back side thereof which is mounted substantially adjacent to the bottom of a roof of said automotive vehicle, said headliner substrate and said decorative covering material also having an inside edge therein defining an aperture therethrough, said lamp assembly further comprising:

a lens having a central portion thereof which is substantially optically transparent therethrough, said lens further having an appearance surface and an upper surface both of which are bordered by a peripheral edge therearound, said upper surface of said lens having a first fastening member and a second fastening member extending upward therefrom, said second fastening member being spatially interposed away from said first fastening member;

an illumination source;

an electricity carrying conductive member having said illumination source electrically connected thereto; and

a shield being defined by at least three triangularly interposed attachment arms with a central segment therebetween, each of said attachment arms of said shield having at least three projecting fingers extending therefrom, said fingers of said shield attachment arms being engagable with said appearance and back sides of said headliner panel, at least one of said fingers of each of said attachment arms being juxtapositioned to engage said back side of said headliner substrate and at least one other of said fingers of each of said attachment arms being oppositely juxtapositioned so as to engage said appearance side of said headliner panel whereby said shield is retained to said headliner panel, said first fastening member of said lens being fastened to said shield such that said lens is retained therebelow, said central segment of said shield further having a mounting portion proximate therewith such that said illumination source is affixed thereto and is substantially juxtapositioned between said central segment of said shield and said upper surface of said lens.

15. The lamp assembly of claim 14 wherein:

said first fastening member of said lens has a snap fit construction with a resilient elongated portion upwardly extending therefrom with a barb shaped end thereon, said barb shaped end of said first fastening member is engaged with one of said fingers of said shield; and

said second fastening member of said lens has an inverted L shape thereto with an elongated leg upwardly projecting therefrom and a relatively shorter leg outwardly projecting thereabove, said shorter outwardly projecting leg of said second fastening member is engagable with said upper surface of said headliner panel;

whereby said lens is affixed to said headliner panel.

16. The lamp assembly of claim 14 wherein said illumination source further comprises:

a light bulb; and

a bulb socket having an electrical terminal section which retains said bulb and a mounting section which is affixed to said mounting portion of said shield.

17. The lamp assembly of claim 16 further comprising:

said mounting section of said bulb socket having an inside surface transversely oriented therein which defines a tunnel therethrough;

said mounting portion of said shield having an inside surface therein defining a bore therethrough, said bore of said shield being aligned with said tunnel of said bulb socket; and

a fastener being inserted through said tunnel of said bulb socket and through said bore of said shield, whereby said illumination source is mounted to said mounting portion of said shield.

18. The lamp assembly of claim 14 further comprising:

an electrical switch being mounted upon said lamp assembly and being electrically connected to said illumination source, said switch being operably accessible by an occupant of said automotive vehicle, whereby said illumination source can be directly electrically switched on and off.