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.
Patent No.:
Date of Patent:
Nov. 03, 2009
Filed:
Nov. 26, 2004
Applicant:
Hartmut S. Engel, 71634 Ludwigsburg, DE;
Inventor:
Hartmut S. Engel, 71634 Ludwigsburg, DE;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S 8/02 (2006.01); F21V 21/04 (2006.01); F21V 21/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a lighting unit, in particular a lighting fixture for ceilings and/or walls comprising a coupled housing frame () and a functional frame () which is pivotally mounted with respect to the housing frame. A closing device is provided between the housing and functional frames and consists of a specially shaped wire spring () which interacts with the rest reception area () of the functional frame () and comprises a spring leg () interacting with the functional frame () in a predefined pivoting area under a preload effect.