| 摘要 |
Tubular fold-away legs for support surfaces comprise a joint (13), comprising an element for coupling with the tubular body (15) and an attachment element (16) to said support surface (14), said legs (10) being mobile between a first closed non-operative position (A) and a second open operative position (B), tilted by an angle (alpha) with respect to said surface (14). According to the invention, said joint (13) is equipped with elastic locking means (25) of said two non-operative (A) and operative (B) positions and with stable attachment 15 means (23, 23A and 26) of said operative position (B), comprising matching tilted centring surfaces.
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