A lighting fixture mechanically connected to an object utilizing a lamp supporting body. The lamp supporting body is rotated about an axis and includes a swivel member having a swivel arm which moves over the exterior of the lamp supporting body. A boss mechanically connected to the object extends outwardly...http://www.google.se/patents/US4713737?utm_source=gb-gplus-sharePatent US4713737 - Electrical lighting fixture with multiple rotation mechanism
