Bi-functional headlamp having a linear shifting sleeve with integral actuator
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United States of America Patent
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N/A
Issued Date -
Oct 28, 2004
app pub date -
Apr 22, 2003
filing date -
Apr 22, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An automotive headlamp assembly comprises a reflector positioned within a housing. The reflector defines a lamp cavity where a light source is positioned. The reflector includes a first portion designed to reflect light in a low beam pattern and a second portion designed to reflect light in a high beam pattern. An actuator is also positioned within the lamp cavity. The actuator is operable to move a light shield in a linear direction parallel to the optical axis of the reflector. In particular, the actuator is operable to move the light shield between a low beam position that exposes the light source to the first portion of the reflector and a high beam position that exposes the light source to both the first portion and the second portion of the reflector.
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