Patent ID: 9689565
Date: 2017-06-27
CPC Classifications: F21S,F21V

Claim:
1. An adjustment mechanism for a directional recessed luminaire comprising: a tilt adjustment screw engaged with a bearing ring of a directional recessed luminaire, the tilt adjustment screw being oriented in a vertical direction and accessible for rotation by a tool inserted through an open center of the bearing ring, the tilt adjustment screw being configured to adjust a vertical tilt of a lamp carrier frame supported on the bearing ring, to vertically lift or lower a direction of light from a light source in the lamp carrier frame, with respect to an area to be illuminated by the light source; a rotation adjustment screw engaged with the bearing ring in an adjacent position to the tilt adjustment screw, the rotation adjustment screw being oriented in the vertical direction and accessible for rotation by the tool inserted through the open center of the bearing ring, the rotation adjustment screw being configured to adjust a horizontal angle orientation of the lamp carrier frame by rotating the bearing ring, to horizontally rotate the direction of light from the light source, with respect to the area to be illuminated; a follower in threaded engagement with the tilt adjustment screw, the follower being configured to travel in the vertical direction on the tilt adjustment screw when the tilt adjustment screw is rotated; a drive link connected to both the follower and a first linkage of a four bar linkage adjustment mechanism of the directional recessed luminaire, the drive link being configured to transfer force from the follower to the first linkage when the tilt adjustment screw is rotated; the first linkage and a second linkage of the four bar linkage adjustment mechanism, being configured to pivot about respective first and second anchor points on a third linkage that is part of the bearing ring; the first and second linkages being pivotally connected to respective first and second pivots on a fourth linkage of the four bar linkage adjustment mechanism, the fourth linkage being part of the lamp carrier frame that supports the light source of the directional recessed luminaire; and the pivoting of the first and second linkages, being configured to move the fourth linkage, lamp carrier frame, and light source along a path defined by the four bar linkage adjustment mechanism, when the tilt adjustment screw is rotated.