Industry Patents
Patent: 4769743
Apparatus for Mechanically Adjusting Lighting Fixture Azimuth and Elevation
(Click image for PDF of full patent)
| Patent Number: |
4769743 |
| Title: |
Apparatus for Mechanically Adjusting Lighting Fixture Azimuth and Elevation |
| Abstract: |
An improved apparatus for adjusting the azimuth and elevation of a light
projector suitable for entertainment lighting, comprising a light source
with associated light collecting and beam forming means producing an
elongated beam having an optical centerline is disclosed. A means,
typically a mirror, is used to redirect the beam at substantially right
angles to the optical centerline, and is rotated to vary beam azimuth
through a first plane. Both the light source and the means for redirecting
are coupled to a common mechanical support, which is rotated around an
effective pivot point perpendicular to the optical centerline and parallel
to first plane, to vary beam elevation through a second plane at
substantially right angles to the first plane. The unique advantages of
the apparatus for remotely-adjusting fixtures and for systems mounting a
plurality of lighting fixtures to a common mechanical support are
disclosed.
|
| Country of Issue: |
US |
| First Named Inventor: |
Callahan |
| Assignee: |
|
| Continuation or Divisional of: |
4697227 |
| International Classification: |
G03B 15/02 |
| US Classification: |
362/18 |
| Issue Date: |
09-06-1988 |
| Filing Date: |
12-12-1986 |
| Application : |
940934 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
4769743 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
4769743 at Google Patents |
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after the patent has issued - they take a while to get new patents in their systems.
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