Integrated cardan mechanism for adjustable luminaires

A rotatable luminaire comprising:

• a luminaire housing;
• a cardan mechanism rotatably connected to the luminaire housing;
• and
• a light source housing rotatably connected to the cardan mechanism;
• wherein the cardan mechanism comprises:
• a generally circular ring having a first inward connector having a through hole and extending inwardly a predetermined distance from the generally circular ring along a first axis;
• a second inward connector of the generally circular ring having a through hole and extending inwardly a predetermined distance from the generally circular ring along the first axis opposite the first inward connector;
• a first outward connector of the generally circular ring comprising a through hole and a first tab and extending outwardly a predetermined distance from the generally circular ring along a second axis;
• and
• a second outward connector of the generally circular ring comprising a second through hole and a tab and extending outwardly a predetermined distance from the generally circular ring along the second axis opposite the first outward connector;
• and
• wherein the light source housing comprises:
• first and second holes positioned for accepting a first fastener inserted through the through hole of the first inward connecter of the generally circular ring and a second fastener inserted through the through hole of the second inward connector of the generally circular ring.