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US4456947A Expired / Lapsed US ⏱️ 0.0 years remaining

Motor vehicle headlight with contact lug defining adhesive reservoir

Assignee: Osram Sylvania Inc
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Filing: 1982-06-07
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Granted: 1984-06-26
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Expires: 2002-06-07
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Abstract

Abstract A motor vehicle headlight having an improved lug and eyelet construction in which there is a reservoir formed between the lug and a boss formed on the reflector. This reservoir is for trapping and containing excess adhesive which is present during the assembly of such headlights.

Inventors

  • 👤 Kenneth E. Alexander

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-10 01:54
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/10; F21S41/19; F21S41/192

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 218 words
In a motor vehicle headlight including an electric lamp, a glass reflector defining at least one opening therein and having a first reflective surface for reflecting light from said electric lamp and a second external surface including a boss portion extending above said second surface and surrounding said opening, a metal eyelet positioned substantially within said opening and including an outer end portion projecting above said boss portion, a quantity of adhesive located within said opening and surrounding said eyelet, an external contact lug having a base portion positioned on said boss portion and including an aperture therein, said outer end portion of said eyelet secured to said base portion of said contact lug, and a lead-in support wire extending through said metal eyelet and said aperture within said base portion of said contact lug for being electrically connected to said electric lamp, the improvement wherein said base portion of said external contact lug includes a peripheral edge portion for resting on said boss portion of said reflector and an elevated portion extending upwardly from said edge portion and having said aperture therein, said base portion defining a reservoir immediately adjacent said opening within sad glass reflector and extending above said boss portion for accommodating excessive amounts of said adhesive which may occur during assembly of said headlight.
Claim 2
Dependent Claim 218 words
In a motor vehicle headlight including an electric lamp, a glass reflector defining at least one opening therein and having a first reflective surface for reflecting light from said electric lamp and a second external surface including a boss portion extending above said second surface and surrounding said opening, a metal eyelet positioned substantially within said opening and including an outer end portion projecting above said boss portion, a quantity of adhesive located within said opening and surrounding said eyelet, an external contact lug having a base portion positioned on said boss portion and including an aperture therein, said outer end portion of said eyelet secured to said base portion of said contact lug, and a lead-in support wire extending through said metal eyelet and said aperture within said base portion of said contact lug for being electrically connected to said electric lamp, the improvement wherein said base portion of said external contact lug includes a peripheral edge portion for resting on said boss portion of said reflector and an elevated portion extending upwardly from said edge portion and having said aperture therein, said base portion defining a reservoir immediately adjacent said opening within sad glass reflector and extending above said boss portion for accommodating excessive amounts of said adhesive which may occur during assembly of said headlight.
Claim 3
Dependent Claim 31 words
The improvement according to claim 1 wherein said base portion of said external contact lug is capable of being flexed during securement of said outer end portion of said eyelet thereto.
Claim 4
Dependent Claim 39 words
The improvement according to claim 1 wherein the securement of said outer end portion of said eyelet to said base portion of said contact lug provides securement for both said eyelet and said contact lug to said glass reflector.
Claim 5
Dependent Claim 17 words
The improvement according to claim 1 wherein said elevated portion of said lug is of stepped configuration.
Claim 6
Dependent Claim 17 words
The improvement according to claim 1 wherein said elevated portion of said lug is of tapered configuration.
Claim 7
Dependent Claim 38 words
The improvement according to claim 1 further including solder means located substantially on said base portion of said contact lug and joining said base portion, said outer end portion of said metal eyelet, and said lead-in support wire.
Claim 8
Dependent Claim 24 words
The improvement according to claim 1 wherein said external contact lug further includes an upstanding connector engaging arm portion extending from said base portion.
Claim 9
Dependent Claim 15 words
The improvement according to claim 1 wherein said external contact lug is comprised of brass.
Claim 10
Dependent Claim 28 words
The improvement according to claim 1 wherein the material for said metal eyelet is selected from the group consisting of aluminum, brass, copper, steel, and a nickel-iron alloy.
Claim 11
Dependent Claim 13 words
The improvement according to claim 1 wherein said adhesive is an epoxy resin.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-06-26 1987-12-26 1988-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-06-26 1991-12-26 1992-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-06-26 1995-12-26 1996-06-26 $7700.00 Window Closed / Lapsed

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