Illumination – Vehicle steering mechanism or element moves pivoted lamp or... – Tie rod element controlled
Patent
1996-06-19
1998-07-07
Husar, Stephen F.
Illumination
Vehicle steering mechanism or element moves pivoted lamp or...
Tie rod element controlled
362294, B60Q 106
Patent
active
057757941
ABSTRACT:
A venting structure is provided on a headlamp adjustor for venting the inside of a sealed stationary component which houses a movable headlamp component in a headlamp arrangement. The headlamp adjustor is mounted to the sealed stationary component and is used to effect pivotal motion of the headlamp component. The headlamp adjustor includes a housing member and an adjusting screw member which is operatively engaged with an axial bore through the housing member. A vent passageway is formed through the housing member or through the screw member. The venting structure is formed of a vent which is connected to headlamp adjustor and is in communication with the vent passageway through the housing member. The vent allows pressure and moisture laden air to pass outwardly from the inside of the sealed stationary component to the atmosphere while only allowing air and a limited amount of moisture to pass from the atmosphere to the inside of the sealed stationary component. The vent may take the form of a microporous filter material housed in tube-like body member; a rubber flapper valve; absorbent material, such as a porous cloth, swab or granulated material enclosed in a housing; a burper housed in a protective housing; a check valve; a bladder or balloon housed in a protective housing; or a condenser.
REFERENCES:
patent: 4796163 (1989-01-01), Dressler
patent: 4802068 (1989-01-01), Mokry
patent: 5355287 (1994-10-01), Denley
patent: 5488547 (1996-01-01), Hiraoka
patent: 5642935 (1997-07-01), Schmitt
Husar Stephen F.
Textron Inc.
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