| 摘要 |
<p>A cover member (10) for mounting in use in a ground surface access assembly includes a plurality of partly coincident forms (20A, 20B 20C, 20D, 20E) each of which is rectangular in plan. Each form (20) includes a first side (22) coincident with at least a part of a first common datum side (14), a second side (24) coincident with at least part of a second common datum side (16) and a first corner (30) coincident with a common datum first corner (18). The cover member (10) includes a body (12) and a plurality of mountings (40, 42, 44, 46) located on an underside in use of the body (12). Each form (20) is provided with four of the mountings (40, 42, 44, 46), each mounting (40, 42, 44, 46) being located at or towards a corner (30, 32, 34, 36) of the respective form (20). The mountings (40, 42, 44, 46) of each form (20) comprise a common first mounting (40) located at or near the datum first corner (18).</p> |
