← Back to Patent Explorer
US5091829A Expired / Lapsed US ⏱️ 0.0 years remaining

Headlamp for a motor vehicle

Assignee: Hella GmbH and Co KGaA
•
Filing: 1991-04-30
•
Granted: 1992-02-25
•
Expires: 2011-04-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A headlamp includes an adjusting mechanism for adjusting a reflector (3) of the headlamp about at least one axis (8). The adjusting mechanism comprises a threaded nut (9) attached to the reflector and a threaded shaft (12) which is rotatably mounted on a stationary part (1) of the headlamp. Adjustment of the reflector is displayed by a scale-like indicator mechanism which includes a fixed part (24) and an adjustable part (15). According to the invention, the adjustable part is formed of an idling toothed wheel (15) that meshes with a pinion (21) of the threaded shaft but which can be disengaged therefrom by axial displacement of the toothed wheel.

Inventors

  • 👤 Wolfgang Hendrischk
  • 👤 Franz Kathmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 15:21
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/06; B60Q1/068; B60Q1/0683

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 127 words
In a headlamp for motor vehicles of a type including an adjusting device for pivoting a reflector at least about one axis, wherein the adjusting device comprises a threaded nut mounted on the reflector and a threaded shaft mounted on a stationary part of the headlamp to be rotatable thereon but not substantially moveable in an axial direction, and wherein the adjusting device includes a scale type indicating mechanism which shows the position of the pivotable reflector, with said indicating mechanism comprising a fixed part and a movable part; the improvement wherein the moveable part of the indicating mechanism is a loose idling toothed wheel which meshes with a pinion mounted on the threaded shaft, said toothed wheel being moveable axially for disengagement thereof, from said pinion.
Claim 2
Dependent Claim 127 words
In a headlamp for motor vehicles of a type including an adjusting device for pivoting a reflector at least about one axis, wherein the adjusting device comprises a threaded nut mounted on the reflector and a threaded shaft mounted on a stationary part of the headlamp to be rotatable thereon but not substantially moveable in an axial direction, and wherein the adjusting device includes a scale type indicating mechanism which shows the position of the pivotable reflector, with said indicating mechanism comprising a fixed part and a movable part; the improvement wherein the moveable part of the indicating mechanism is a loose idling toothed wheel which meshes with a pinion mounted on the threaded shaft, said toothed wheel being moveable axially for disengagement thereof, from said pinion.
Claim 3
Dependent Claim 30 words
In a headlamp according to claim 1 wherein said toothed wheel is mounted on an axle which is inserted into the stationary part of the headlamp holding the threaded shaft.
Claim 4
Dependent Claim 39 words
In a headlamp according to claim 2 wherein the toothed wheel is made of plastic and includes a coaxial sleeve which is longitudinally slit and which has an internal bead for elastically engaging a ring groove of the axle.
Claim 5
Dependent Claim 29 words
In a headlamp according to claim 2 wherein an end of the axle engaged with the stationary part of the headlamp is press fitted thereto and is knurled thereat.
Claim 6
Dependent Claim 33 words
In a headlamp according to claim 1 wherein the toothed wheel is formed to be open, or hollow, on one side with an outer rim extending outwardly and formed as a toothed flange.
Claim 7
Dependent Claim 32 words
In a headlamp according to claim 5 wherein the toothed wheel is cup shaped to have an indentation therein and wherein said axle includes a flange which is receivable in the indentation.
Claim 8
Dependent Claim 42 words
In a headlamp according to claim 1 wherein an adjusting wheel is mounted on the threaded shaft between the pinion of the threaded shaft and the receiving stationary part of the headlamp to be manipulated by hand for rotating the threaded shaft.
Claim 9
Dependent Claim 23 words
In a headlamp according to claim 7 wherein the pinion is formed as one piece of a resinous plastic with the adjusting wheel.
Claim 10
Dependent Claim 26 words
In a headlamp according to claim 1 wherein the toothed wheel includes an indicia scale and the fixed part of the headlamp includes an indicator thereon.
Claim 11
Dependent Claim 39 words
In a headlamp according to claim 1 wherein the toothed wheel is made of plastic and includes a coaxial sleeve which is longitudinally slit and which has an internal bead for elastically engaging a ring groove of the axle.

References Cited (Backward Citations)

EP0006569A1 Cited
EP0023851A1 Cited
DE3028892A1 Cited
EP0138217A2 Cited
US4733333A Cited
US4731707A Cited
US5032964A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-02-24 1995-08-26 1996-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-02-24 1999-08-26 2000-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-02-24 2003-08-26 2004-02-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag