A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 39/28 (2006.01) A61F 5/44 (2006.01) A61M 5/168 (2006.01) F16K 7/06 (2006.01) F16K 31/46 (2006.01)
Patent
CA 2480877
A valve assembly (44) for controlling the flow of fluid through a tube (52) by pinching the tube (52) to prevent fluid flow. The valve assembly (44) includes a valve (58) that receives the tube (52) in a passage between a plunger (76) and a bar (74). A spring (78) urges the plunger (76) toward the bar (74) to pinch the tube (52) closed. The bar (74) focuses the pinching force of the plunger (76) to reduce the pinching force required to prevent fluid flow. The valve assembly (44) also includes a caliper (60) for opening, locking open and closing the valve (58) and that is attached to the valve (58) with a cable (62). To open and close the valve (58), a main lever (88) and lock lever, respectively are rotated in the same direction.
L'invention concerne un dispositif de vanne (44) permettant de réguler l'écoulement d'un fluide à travers un tube (52) par étranglement du tube (52), de manière empêcher l'écoulement du fluide. Ledit dispositif de vanne (44) comprend une vanne qui reçoit le tube (52) dans un passage entre plongeur (76) et une barre (74). Un ressort (78) presse le plongeur (76) vers la barre (74) pour étrangler le tube (52) fermé. La barre (74) concentre la force d'étranglement du plongeur (76), afin de réduire la force d'étranglement requise pour empêcher l'écoulement du fluide. L'ensemble de vanne (44) comporte aussi une pince (60) qui permet d'ouvrir, de verrouiller à l'état ouvert et de fermer la vanne (58) et qui est attaché à la vanne (58) au moyen d'un fil (62). Pour ouvrir et fermer la vanne (58), un levier principal (88) et un levier de verrouillage (90) tournent respectivement dans la même direction.
Fetherstonhaugh & Co.
Schmaltz Ronald Anthony
LandOfFree
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