Patent ID: 7314011

Claim:
Tubular fold-away legs for a support surface, each comprising a joint ( 13 ), comprising an element for coupling with a tubular body ( 15 ), a tubular body ( 12 ) capable of being secured to the element for coupling with a tubular body ( 15 ), and an attachment element attachable ( 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), tiltable by an angle ({acute over (α)}) with respect to said surface ( 14 ), said joint ( 13 ) being equipped with elastic locking means ( 25 ) of said two non-operative (A) and operative (B) positions and with stable attachment means ( 23 , 23 A and 26 ) of said operative position (B), comprising matching tilted centering surfaces characterized in that said elastic locking means ( 25 ) consists of an elastic U-bolt comprising a central pressing surface ( 32 ) and two side arms ( 31 ) carrying engagement elements ( 33 ) housed in symmetrical through seats ( 30 ) of said element for coupling with the tubular body ( 15 ) and capable of engaging in pairs of seats ( 24 a ) or ( 24 b ) of said attachment element ( 16 ).