Locking device and a line fitting provided therewith

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 19/00 (2006.01)

Patent

CA 2529763

The inventive device (1) is fixed to a nut (4) and comprises a coupling unit (42) insertable into a hexagonal configuration (11) of a spigot end (2) at a reduced axial distance being coupled by mutually interpenertratable gears (49, 51) with a stop unit (38) which axially sliding in a body (18) oppositely to a compression spring (36). The gears (49, 51) are symmetric and are insertable into each other with a predetermined elastic resistance by the action of compression or loosing torque. The inventive device is embodied in one piece which is mounted by assembling with the nut without effecting the spigot ends (2, 3). Said invention is used for locking a coupling in a systematic manner and makes it possible to unlock it without any preliminary voluntary operation.

Le dispositif (1) fixé sur l'écrou (4) comprend un organe de couplage (42) capable de s'emboîter, sur une longueur axiale réduite, sur la conformation à six-pans (11) de l'embout mâle (2) tout en étant en prise de dentures interpénétrées (49, 51) avec un organe d'arrêt (38) qui est axialement coulissant dans un corps (18) à l'encontre d'un ressort de compression (36). Les dents (49, 51) sont symétriques et peuvent se franchir mutuellement avec une résistance élastique prédéterminée sous l'action du couple de serrage ou de desserrage. Le dispositif (1) forme un seul bloc monté par assemblage sur l'écrou sans affecter les embouts de canalisation (2, 3). Utilisation pour verrouiller un accouplement de façon systématique et permettre son déverrouillage sans aucune manoeuvre volontaire préalable.

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