Industry Patents
Patent: 4843528
Illumination Lamp Apparatus
(Click image for PDF of full patent)
| Patent Number: |
4843528 |
| Title: |
Illumination Lamp Apparatus |
| Abstract: |
An illumination lamp including a frame formed of plastics material support
boards (10-12) mounted in parallel relation perpendicular to the main axis
of the lamp and spacers (14, 16) spacing said support boards from one
another. Mounted on the frame is an illumination source (24), projecting a
beam of light therefrom along the main axis of the lamp. A gobo disk (44)
rotatable about an axis parallel to the main axis and includes a plurality
of shaped apertures (52-57) distributed circumferentially of the gobo disk
and selectively positionable in the beam; an iris (40) is mounted
forwardly of gobo disk and a lens assembly (36) is mounted forwardly of
the iris. The lens assembly (36) is moved so that its focal point is
either accurately in the plane of gobo disk (44) or in the plane of the
iris (40).
|
| Country of Issue: |
US |
| First Named Inventor: |
Pearce-Harvey, Tomlinson, French |
| Assignee: |
Tasco |
| Continuation or Divisional of: |
|
| International Classification: |
F21P 5/04 |
| US Classification: |
362/277 |
| Issue Date: |
06-27-1989 |
| Filing Date: |
09-10-1987 |
| Application : |
95093 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
4843528 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
4843528 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
Disclaimer: This web site is not intended to offer comprehensive or sufficient
information to enable a full legal analysis of a patent or potential
infringement. The information provided on this web site is intended
as general information only, and is not intended to serve as legal
opinion, legal advice or as a substitute for legal counsel. If you
have a question about a specific factual situation, you should
contact an attorney directly
|
