| 摘要 |
<p>The assembly piece has a central part (18) with two small collars (10,11) that are coaxial with it, the collars abutting the opposing faces of the panel (12) and being glued to them. The central part has central holes (13,17) that receive screws (15) fixing other pieces such as transverse panels (16) to the main panel. Each small collar or at least those used for jointing have a radial edge as well as a skirt, the latter jointing into a skirt of corresponding shape extending from the large spigot of the central part of the assembly piece.</p> |
