The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 21, 2015

Filed:

Feb. 22, 2010
Applicants:

Uwe Hagenbach, Munich, DE;

Bernhard Grill, Seeshaupt, DE;

Manfred Amling, Ering, DE;

Inventors:

Uwe Hagenbach, Munich, DE;

Bernhard Grill, Seeshaupt, DE;

Manfred Amling, Ering, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 15/02 (2006.01); F21V 3/02 (2006.01); F21V 17/20 (2006.01); F21V 17/00 (2006.01); F21W 131/406 (2006.01);
U.S. Cl.
CPC ...
F21V 3/026 (2013.01); F21V 17/20 (2013.01); F21V 17/007 (2013.01); F21W 2131/406 (2013.01);
Abstract

A light diffuser having a holder device and an inflatable, at least partially light-transmissive box that can be attached to the holder device. The holder device includes an adapter ring formed by a light-transmissive disc, in particular a glass disc, for fastening to a spotlight and for connecting the inflatable box in a substantially airtight manner. The end of the inflatable box can be connected to the adapter ring which is surrounded by an airtight fastening ring that can be tensioned against a radially extending sealing surface on the adapter ring by at least three quick-closures, distributed about the circumference.


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