Lockable coupling

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

Patent

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Details

F16L 37/18 (2006.01)

Patent

CA 2245800

A cam lever (8) for a cam and groove coupling of the type having a male coupling member (2) that includes a groove (3) for engagement with one or more cams (16) provided on a corresponding female coupling member (1). The cam lever (8) includes a cam (16) and the cam lever (8) is selectively positionable to position the cam (16) to engage or disengage the male (2) and female (1) coupling members. The cam lever (8) also has locking mechanism (24) which may be engaged to maintain the cam (16) in position in which the coupling members are engaged. The engagement of the locking means (24) is independent of the external surfaces of the female coupling member (1) which provides the advantage that the locking mechanism (24) is unlikely to snag on other objects in use and thus inadvertently open which can be a problem with prior art constructions.

L'invention porte sur un levier à came (8) destiné à un raccord à came et à rainure du type composé d'un élément de raccord mâle (2) comportant une rainure (3) dans laquelle viennent s'engager une ou plusieurs cames (16) montées sur un élément de raccord femelle (1) correspondant. Le levier à came (8) comprend une came (16) et il peut se placer de manière sélective afin de positionner la came (16) pour que puisse s'effectuer l'emboîtement ou le déboîtement des éléments mâle (2) et femelle (1). Ce levier à came comporte également un mécanisme de verrouillage (24) que l'on peut enclencher afin de maintenir en place la came (16), lorsque les éléments du raccord sont emboîtés. L'enclenchement des moyens de verrouillage (24) est indépendant des surfaces extérieures de l'élément femelle (1), ce qui présente l'avantage que ce mécanisme (24) ne risque guère de s'accrocher sur d'autres objets, lors de son utilisation, et ainsi de s'ouvrir de façon inopportune, ce qui peut être le cas avec les constructions réalisées selon des techniques actuelles.

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