Valve guard assembly

Details Valve guard assembly Valve guard assembly

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 1/30 (2006.01)

Patent

CA 2620043

A valve guard assembly for a gas cylinder has a mounting collar (2), which is adapted to fit around and to engage the neck of the gas cylinder. The mounting collar (2) has an outer surface (6) in which there is an endless first coupling member in the form of a circumferential slot (8). A valve guard (10) has an integral coupling ring (12) with a second coupling member in the form of an endless inward projection (14) engageable with the circumferential slot (8). A means for acting against disengagement of the first and second coupling members is provided. This means takes the form of a locking band (30).

La présente invention concerne un ensemble arrêt de soupape, destiné à une bouteille à gaz, qui comprend un collier de fixation (2) conçu pour s~ajuster autour et introduire le goulot de la bouteille à gaz. Le collier de fixation (2) possède une surface externe (6) dans laquelle se trouve un élément de couplage sans fin se présentant sous la forme d~une fente circonférentielle (8). Un arrêt de soupape (10) comprend une bague de couplage intégrale (12) dotée d~un second élément de couplage se présentant sous la forme d~une projection interne sans fin (14) qui peut être introduite dans la fente circonférentielle (8). L~invention porte également sur un dispositif destiné à empêcher le désengagement des premiers et seconds éléments de couplage. Ce dispositif se présente sous la forme d~une bande de verrouillage (30).

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