A hanger for mounting elongated members relative to a wall surface which permits alignment of the elongated member in a direction perpendicular to the surface, and also in both directions along the surface. The uses of the hangers find particular application in hanging elongated fluorescent light troffers...http://www.google.es/patents/US4223861?utm_source=gb-gplus-sharePatente US4223861 - Adjustable hanger for elongated wall mounted members
Adjustable hanger for elongated wall mounted members
