G - Physics – 10 – D
Patent
G - Physics
10
D
G10D 7/00 (2006.01) G10D 9/04 (2006.01)
Patent
CA 2210066
The invention relates to a wind instrument comprising a basic body in which extends a central duct which is bounded by a peripheral wall of the basic body, a plurality of openings in the peripheral wall which connect the duct with the surrounding air, a plurality of valves mounted on the basic body and each comprising a closure member co-acting with an opening and comprising control means connected to said valves. The control means guide the closure member for movement between a closed position in which the opening is closed by the closure member and an open position in which the opening is left clear. The closure member comprises a plate of stiff material which is provided on the side facing toward the opening with sealing material and which in the closed position engages sealingly around the opening. The closure member is connected to the control means by yieldable means.
L'invention porte sur un instrument à vent constitué d'un corps de base incluant un conduit central délimité par une paroi périphérique du corps de l'instrument, de plusieurs ouvertures dans la paroi périphérique mettant le conduit en relation avec l'air extérieur, de plusieurs clés disposées sur le corps de base dont chacune comprend un élément de fermeture qui, fonctionnant de concert avec une ouverture, est doté d'organes de commande raccordés auxdites clés. Ces organes de commande guident l'élément de fermeture dans sa course entre une position fermée, l'élément de fermeture obturant alors l'ouverture, et une position ouverte dans laquelle l'ouverture est dégagée. L'élément de fermeture comprend une plaque rigide dont la face latérale donnant sur l'ouverture est pourvue d'un matériau assurant l'étanchéité et qui, en position fermée, vient s'appuyer hermétiquement autour de l'ouverture. L'élément de fermeture est relié aux organes de commande par des dispositifs élastiques.
Fetherstonhaugh & Co.
Smeding Rienk
LandOfFree
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