US 7,517,119 B2
Externally adjustable directional luminaire
Robert E. Kaeser, Cincinnati, Ohio (US); James E. Lawrence, Madeira, Ohio (US); and Michael D. Wyatt, Hamilton, Ohio (US)
Assigned to LSI Industries, Inc., Cincinnati, Ohio (US)
Filed on Nov. 15, 2006, as Appl. No. 11/560,132.
Claims priority of provisional application 60/737304, filed on Nov. 16, 2005.
Prior Publication US 2007/0109799 A1, May 17, 2007
Int. Cl. F21S 8/00 (2006.01)
U.S. Cl. 362—427  [362/428; 362/153; 362/429; 362/269; 362/372; 362/282; 362/364; 362/365] 17 Claims
OG exemplary drawing
 
1. An adjustment mechanism for directing the emitted light from a lamp of a luminaire, the luminaire comprising a luminaire support structure; a door frame attached to the structure; a lamp shroud assembly comprising a shroud rotatably attached to the door frame and having an opening, and a lamp socket sized to receive the base of a replaceable lamp and electrically connectable to an electric power source, the adjustment mechanism comprising:
a. a movable external adjustment member; and
b. an internal mechanism attached to the external adjustment member though the shroud and indirectly connected to a portion of the lamp socket,
the internal mechanism being movable in response to movement of the external adjustment member, wherein movement of the external adjustment member alters the position of the lamp socket within the shroud, wherein the angle of direction of light emitted from the replaceable lamp through the opening of the shroud is adjusted.