Title:
REFLECTOR MOVABLE TYPE PROJECTOR LAMP
Document Type and Number:
Japanese Patent JP3226976
Kind Code:
B2
Abstract:
PURPOSE: To form the pattern of an emitted luminous flux by a clear cutoff line, and provide a light distribution pattern suitable to the running environment of a vehicle.
CONSTITUTION: A collimator lens 1 is arranged on the optical axis in the front of 4 reflector 3 having a nearly elliptic reflecting mirror surface 3a having a bulb 5 fixed in a first focus F1 position, and a shade 6 is fixed to the collimator lens, 1 between it and the bulb 5. The reflector 3 integrated with the bulb 5 is pivotally provided through a vertical displacement support mechanism in such a manner as to be laterally or vertically displaceable to the optical axis, and the reflector 3 is displaced horizontally or vertically by a reflector displacement driving device formed on a lighting fixture body 2. The shade 6 is constituted in the form laid along the focal plan formed on the focus of the collimator lens 1.
Inventors:
Masatoshi Kobayashi
Application Number:
JP22217092A
Publication Date:
November 12, 2001
Filing Date:
July 29, 1992
Export Citation:
Assignee:
Koito Manufacturing Co., Ltd.
International Classes:
F21S8/12; B60Q1/12; F21S8/10; F21V13/00; F21V14/00; F21V14/04; F21W101/10; F21Y101/00; (IPC1-7): F21S8/10; B60Q1/12; F21V14/00
Domestic Patent References:
| JP6417301A | ||||
| JP6364201A | ||||
| JP186103U | ||||
| JP67102U | ||||
| JP572005U |
Attorney, Agent or Firm:
Kazuo Maeda