| CPC F21V 23/002 (2013.01) [F21S 8/03 (2013.01); F21V 15/01 (2013.01); F21V 21/30 (2013.01)] | 7 Claims |

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1. A directional lighting device comprising:
a supporting structure;
a ball-joint structure mounted to the supporting structure;
a housing configured to accommodate a light emitting source;
electric wiring fed from the supporting structure through the ball-joint structure and electrically connecting the light emitting source;
the ball-joint structure configured to direct the housing relative to the supporting structure and the light emitting source,
wherein the light emitting source is mounted to a mounting plate, wherein the mounting plate has an outer dimension which is smaller than the inner dimension of the housing, and
wherein a cup-shaped tensioning element having an outer dimension which is smaller than the inner dimension of the housing is clamped between the ball-joint structure and the mounting plate.
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