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Patent Searching and Data


Title:
LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2012069370
Kind Code:
A
Abstract:

To provide a lighting device capable of reducing the parts number and device thickness by simplification of a power-supplying structure, a cooling structure and an enclosed waterproof structure.

The lighting device 1 comprises a hemispherical lens 5 rotatably held in a housing 3 and an LED (light source) 10 irradiating light L toward the lens 5 fixed to the housing 3. Here, a hemispherical surface of the lens 5 is to be a light-incident surface 5a, and a surface other than the hemispherical surface is to be an emission surface 5b, of light. At least a central part of the light emission surface 5b is to be a convex curved surface of 5b-1 in a direction of light emission. Further, the lens 5 is rotatably held in the housing 3 through guide rings 6, 7, and a waterproof rubber 8 is mounted on the guide ring 7 at a contact part with the lens 5.


Inventors:
HIKI SEI
Application Number:
JP2010212973A
Publication Date:
April 05, 2012
Filing Date:
September 24, 2010
Export Citation:
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Assignee:
STANLEY ELECTRIC CO LTD
International Classes:
F21V14/06; B60Q3/02; F21S8/02; F21V17/00; F21V17/02; F21V31/00; F21Y101/02
Domestic Patent References:
JPS61204841U1986-12-24
JPS361093Y1
JPS3512090Y1
JPS4410626Y11969-04-28
JP2007294356A2007-11-08
JPS58122235A1983-07-20
JPS58126231A1983-07-27
JPS59123901U1984-08-21
JPS5717450Y21982-04-12
JP2006302538A2006-11-02
JPS6290847U1987-06-10
JP2007035381A2007-02-08
JPS5613708U1981-02-05
Attorney, Agent or Firm:
Ryoichi Yamashita