Service access unit for floors

Claim 1

A service access unit for such services as electrical power, telephone and computer communication and the like in a floor system disposed above a subfloor having elongate trunking with a top portion for one service feed segregated from other service feed or feeds, the unit comprising a frame to extend across such elongate trunking and beyond such elongate trunking at least to one side thereof, the frame being securable relative to and being not larger than an aperture in the floor of greater size than a lesser aperture into the top of the trunking, said less aperture to be within the first mentioned aperture, the frame having sides; and a subsidiary member having flanged sides and fitting within the frame with the flanged sides connected to two of the sides of the frame, such subsidiary member extending into said lesser aperture with the flanges sides closing off upper section portions of the trunking to define a box inser into the trunking and affording outlet for the service in the trunking, outlet for at least one other service whose feed is outside the trunking being available from at least one side of the subsidiary member but within the frame.