F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 7/12 (2006.01) B64D 27/00 (2006.01)
Patent
CA 2485312
The invention relates to a link consisting of a rod (2) comprising a connecting element (3, 4) at each end thereof and a geometrical axis which passes through said two connecting elements (3, 4). The invention is characterised in that the rod (2) comprises: a fusible area (5) in the form of a shrunken section between a first portion of the rod (6), which is connected to a first connecting element (3), and a second portion of the rod (7), which is connected to the second connecting element (4), said fusible area (5) being intended to break when the tensile force exerted on the link is greater than a pre-determined value; and means (10, 11, 14) which ensure that the two portions of rod (6, 7) cannot be disconnected should the fusible area (5) break. The aforementioned means comprise a cylinder (10) which is coaxial to axis X and which is solidly connected to the first portion of rod (6), said cylinder comprising a base (13) through which the second portion of rod (7) passes. The second portion of rod (7) comprises a collar (11) which can slide in the cylinder (10) should the fusible area (5) break. The inner wall of the cylinder comprises teeth (21) which are broken by the collar (11) should the fusible area (5) break.
L'invention concerne une biellette comportant une tige (2) ayant à chaque extrémité un organe de liaison (3, 4) et ayant un axe géométrique passant par les deux organes de liaison (3, 4), caractérisée par le fait que la tige (2) comporte une zone fusible (5) sous forme d'une section rétrécie entre une première portion de tige (6) reliée à un premier organe de liaison (3) et une deuxième portion de tige (7) reliée au deuxième organe de liaison (4), ladite zone fusible (5) étant destinée à rompre lorsque la force de traction supportée par ladite biellette est supérieure à une valeur prédéterminée, et des moyens (10, 11, 14) pour rendre indissociables les deux portions de tige (6, 7) en cas de rupture de la zone fusible (5). Ces moyens comportent un cylindre (10) coaxial à l'axe X et solidaire de la première portion de tige (6) et ayant un fond (13) traversé par la deuxième portion de tige (7). Cette deuxième portion de tige (7) comporte une collerette (11) susceptible de coulisser dans le cylindre (10) en cas de rupture de la zone fusible (5). La paroi interne du cylindre comporte des dents (21) susceptibles d'être cassées par la collerette (11) en cas de rupture de la zone fusible (5).
Dusserre-Telmon Guy
Etoile Gerard
Robic
Snecma
Snecma Moteurs
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