Patent ID: 6481867
Filing Date: 2002-11-19
Classification: F21V

Abstract:
In a mounting arm assembly adapted for connection to a support and mounting an optical assembly for providing illumination, the optical assembly being energized by a source of power through an electrical assembly mounted within the mounting arm assembly, the mounting arm assembly comprising:a housing within which the electrical assembly is contained; an access door mounted to the housing and movable between open and closed positions to allow access to the interior of the housing and to close the housing to prevent exposure of the interior of said housing and the electrical assembly contained therein to environmental conditions, the access door being removable from the housing and the electrical assembly being mounted to the access door; means for mounting the access door to the housing for removal from said housing; and, electrical disconnect means carried by the electrical assembly or the mounting arm assembly for disconnection of the electrical assembly from the source of power and from the optical assembly, thereby enabling rapid removal of the access door from the housing, said access door bearing said electrical assembly, thereby allowing ready for maintenance or replacement of a substitute access door and electrical assembly mounted thereto.