LIGHTING FIXTURE FOR VEHICLE

PROBLEM TO BE SOLVED: To suppress effectively occurrence of optical shaft slippage due to thermal deformation of a lamp body accompanying lighting of a lamp, in a lighting fixture for vehicle in which a lamp unit structure is supported capable of inclining through an aiming mechanism to the lamp bod...

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Bibliographic Details
Main Author OKAWA MASAO
Format Patent
LanguageEnglish
Published 31.05.2012
Subjects
BLASTING
HEATING
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
LIGHTING
MECHANICAL ENGINEERING
NON-PORTABLE LIGHTING DEVICES
SYSTEMS THEREOF
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To suppress effectively occurrence of optical shaft slippage due to thermal deformation of a lamp body accompanying lighting of a lamp, in a lighting fixture for vehicle in which a lamp unit structure is supported capable of inclining through an aiming mechanism to the lamp body with a front end opening.SOLUTION: The thickness of a corner part 12C to connect a peripheral wall 12A and a rear wall 12B in the lamp body 12 is established to be a larger value than that of the regions other than that in a supporting part near region 12Ca to be located in the vicinity of the support part 12Ba for supporting the rear end of each of aiming shaft members 62A, 62B, 62C. Thereby, the rigidity of the lamp body 12 is increased in each support part 12Ba more than the other portions. Then, the thermal deformation of the lamp body 12 accompanying lighting of the lamp is allowed in a portion other than each support part 12Ba, but it is effectively suppressed that the effect of this thermal deformation is given to each support part 12Ba and the aiming shaft members 62A, 62B, 62C are inclined downward to cause optical shaft slippage.
Bibliography:Application Number: JP20100249437