| 摘要 |
PCT No. PCT/US86/00571 Sec. 371 Date Jun. 19, 1986 Sec. 102(e) Date Jun. 19, 1986 PCT Filed Mar. 19, 1986 PCT Pub. No. WO86/05833 PCT Pub. Date Oct. 9, 1986.A service access unit for a floor system having elongate trunking for one service feed segregated from other service feed or feeds, has a frame to extend across and beyond such trunking at least to one side. The frame is securable in an aperture in the floor of greater size than an included lesser aperture into the top of the trunking. A subsidiary member fits within the frame and extends into said lesser aperture in affording outlet for the service in the trunking. Outlet for at least one other service whose feed is outside the trunking can be taken from at least one side of the subsidiary member but within the frame. |
