Horizontal zero viewing port assembly

An adjustable headlamp assembly having a housing, an adjustable component such as a reflector retained in said housing, means for horizontally aiming said component, means for vertically aiming said component, a viewing port in a surface of said housing for viewing inside said housing, and a headlamp calibration assembly;

• said headlamp calibration assembly comprising:
• a lens covering said viewing port and being movably attached to said housing;
• vertical position indicating means disposed inside said housing and being operatively associated with said component, said vertical position indicating means being visible through said lens and viewing port for indicating a relative vertical position of said component;
• horizontal position indicia disposed inside said housing and being operatively associated with said component, said horizontal position indicia being viewable through said lens and said viewing port for indicating a relative horizontal position of said component;
• a zero adjustment indicia represented on said horizontal position indicia for indicating a desired horizontal adjustment of said headlamp;
• and
• sight means operatively associated with said lens for sighting said horizontal position indicia to determine whether adjustment of said horizontal and vertical adjustment means is required and to sight said horizontal position indicia to said zero adjustment when adjustment is required.

An adjustable headlamp assembly having a housing, an adjustable component such as a reflector adjustably retained in said housing, means for horizontally aiming said adjustable component, means for vertically aiming said adjustable component, a viewing port in a surface of said housing for viewing inside said housing, and a headlamp calibration assembly;

• said headlamp calibration assembly comprising:
• a lens covering said viewing port, said lens being movably attached to said housing;
• vertical position indicating means disposed inside said housing and operatively associated with said adjustable component, said vertical position indicating means being visible through said lens and viewing port for indicating a vertical position of said adjustable component;
• horizontal position indicia depending from said adjustable component, said horizontal position indicia being viewable through said lens and said viewing port for indicating a horizontal position of said adjustable component;
• a zero adjustment element on said horizontal position indicia for indicating a desired horizontal adjustment of said headlamp;
• a magnifier portion associated with said lens for magnifying said horizontal position indicia;
• and
• sight means operatively associated with said magnifier portion for sighting said horizontal position indicia to determine whether said headlamp is in a desired horizontal adjustment and to sight said zero adjustment element of horizontal position indicia when adjusting said horizontal adjustment means.

A headlamp calibration assembly for use with an adjustable headlamp assembly having a housing, an adjustable component such as a reflector operatively associated with said housing, means for horizontally aiming said adjustable component, and a viewing port in a surface of said housing for viewing inside said housing, said headlamp calibration assembly comprising:

• a lens operatively associated with said viewing port;
• horizontal position indicia operatively associated with said adjustable component and positioned for viewing through said lens and viewing port;
• a zero adjustment represented on said horizontal position indicia for indicating a desired horizontal adjustment of said headlamp;
• sight means operatively associated with said lens for sighting said horizontal position indicia to determine whether adjustment of said horizontal and vertical adjustment means is required and to sight said horizontal position indicia to said zero adjustment when adjustment is required.

A method of indicating a relative vertical and horizontal position and calibrating an adjustable headlamp assembly for a vehicle, said adjustable headlamp assembly including a housing, an adjustable component such as a reflector operatively associated with said housing, a viewing port in a surface of said housing for viewing inside said housing, vertical position indicating means operatively associated with said adjustable component, a lens operatively associated said viewing port, horizontal position indicia operatively associated with said adjustable component and positioned for viewing through said lens and viewing port, and sight means disposed on said lens;

• said method comprising the steps of:
• selecting a desired vertical and horizontal position of said adjustable component;
• calibrating said vertical position indicating means to specifically identify the desired vertical position;
• positioning said lens to align said sight means with a selected portion of said horizontal position indicia to specifically identify the desired horizontal position.