| 摘要 |
C:/NRPortb]/DCC/CAB/5057234_I.DOC-9/04/2013 A louvre assembly with a frame; louvre blades supported in the frame; and a link arm coupled to the blades to open and close the blades; wherein the arm includes a cover section overlying the frame; the blades have a centre pivot at each end and an associated coupling connecting the blades into the frame, each coupling providing a moveable pivot connection with the frame; and wherein the cover section is arranged so as to inhibit ingress of material between the coupling and the frame. @ |
