| US 7,556,402 B2 | ||
| Direct-indirect luminaire with shutter | ||
| Bradley Stephen Garrett, Denver, Colo. (US); and Christopher Joseph Pahl, Denver, Colo. (US) | ||
| Assigned to Cooper Technologies Company, Houston, Tex. (US) | ||
| Filed on Mar. 29, 2005, as Appl. No. 11/95,083. | ||
| Claims priority of provisional application 60/557505, filed on Mar. 29, 2004. | ||
| Prior Publication US 2005/0231952 A1, Oct. 20, 2005 | ||
| Int. Cl. F21V 14/08 (2006.01) | ||
| U.S. Cl. 362—279 [362/307] | 23 Claims |
| 1. A direct-indirect luminaire, comprising:
a pair of lamp sockets for receiving at least one tubular fluorescent lamp;
a louver, arranged on one side of the lamp sockets, for controlling downlight emitted from a bottom side of the luminaire;
and
a shutter, arranged on an opposite side of the lamp sockets, for controlling uplight emitted from a top side of the luminaire,
wherein the shutter comprises:
a first member comprising a first plurality of apertures disposed longitudinally along the first member; and
a second member comprising a second plurality of apertures disposed longitudinally along the second member, the first member
positioned adjacent to the second member and slidable relative to the second member;
wherein at least a portion of each of the first plurality of apertures overlaps at least a portion of each of the second plurality
of apertures, the overlap creating a light pathway for emitting light through the overlap in the apertures and out of the
top side of the luminaire.
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