Patent · US Active

Light fixture and lens assembly for same

US7918589B2 · kind B2 · utility

44Cited by
5References
49Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 2008
Grant dateApr 5, 2011
Priority date
Expiry dateNov 24, 2028

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21Y2113/00
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A light fixture or troffer for directing light emitted from a light source toward an area to be illuminated, including a reflector assembly within which the light source is positioned and a lens assembly detachably secured to a portion of the reflector assembly such that a lens of the lens assembly overlies the light source and such that substantially all of the light emitted from the light source passes through the lens assembly. In one example, the lens includes a curved prismatic surface that can be oriented toward or away from the underlying light source.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.