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:
Oct. 23, 2007
Filed:
Aug. 03, 2005
Eric J. Haugaard, Kenosha, WI (US);
Kurt Wilcox, Libertyville, IL (US);
Eric J. Haugaard, Kenosha, WI (US);
Kurt Wilcox, Libertyville, IL (US);
Ruud Lighting, Inc., Racine, WI (US);
Abstract
An industrial light fixture of the type including a housing with a base member and a top member and containing power-related components includes spring-spacer apparatus between the base member and the ballast, such that, with the top member closed with respect to the base member, the spring-spacer apparatus biases the ballast into heat-exchange engagement with at least one surface of the top member and provides an air gap between the ballast and the base member. The base member and top member are preferably formed of die-cast metal and a variety of preferred features are disclosed.