F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 37/092 (2006.01) F16L 37/22 (2006.01)
Patent
CA 2166688
A releasable coupling (1) which can grip and retain an object such as a pipe (2) inserted in the hollow body (3) of the coupling, with the gripping effect being releasable such that the object can be removed from the body. A sleeve (6) is movable axially within the body (3) and carries in a plurality of holes (7) around its circumference a number of rollers (9) which are adapted to grip the surface of the pipe (2). As the pipe is inserted the rollers (9) are able to move away from the pipe surface in the body (3) to allow it to enter, but as it is withdrawn, the rollers (9) are entrained and thus brought into contact with the cam surface (5) which forces them towards the pipe axis, thereby gripping the pipe. The gripping effect is released by pushing the sleeve (6) into the body (3) to disengage the rollers (9) from the cam surface (5) thereby permitting removal of the pipe (2). An O-ring seal (14) can be included to provide a fluid-tight seal, if desired.
Accouplement réversible (1) pouvant saisir et retenir un objet tel qu'un tuyau (2) inséré dans son corps creux, ou bien, du fait de sa réversibilité, le libérer. Un manchon mobile axialement dans le corps (6) reçoit dans une série de perforations (7) ménagées à sa circonférence autant de rouleaux (9) conçus pour agripper la surface du tuyaux (2). Lors de l'insertion du tuyau, les rouleaux peuvent s'écarter de sa surface et rentrer dans le corps pour le laisser entrer. Lors du retrait du tuyau, les rouleaux (9) sont entraînés et mis en contact avec la surface de la came (5) qui les pousse vers le centre du corps pour agripper le tuyau. Le relâchement s'obtient en poussant le tuyau dans le corps, ce qui éloigne les rouleaux de la surface de la came (5) et permet de retirer le tuyau (2). Un joint torique (14) peut être ajouté pour assurer l'étanchéité.
Angell Jonathan George Cordy
Shapiro Cohen
LandOfFree
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