F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 13/04 (2006.01) F15B 21/04 (2006.01)
Patent
CA 2443601
An improved hydraulic valve (100) for a camera dolly (10) includes a valve pin (102) having an extension (106) within a valve housing to reduce vibration and noise and to reduce hydraulic closing forces. The valve pin (102) is resiliently supported by e.g., rubber o-rings at both ends. Valve performance is improved as reducing hydraulic forces on the valve pin (102) results in smooth valve operation, especially when opening the valve under heavy loading.
L'invention concerne une soupape hydraulique améliorée (100) destinée à un chariot de caméra (10) et comportant une tige de soupape (102) munie d'une extension (106) à l'intérieur d'un boîtier de soupape, ladite soupape permettant de réduire la vibration et le bruit et de limiter les forces de fermeture hydraulique. La tige de soupape (102) est supportée élastique par des joints toriques en caoutchouc au niveau de ses deux extrémités. Cette soupape présente une efficacité améliorée du fait que la réduction des forces hydrauliques sur la tige de soupape (102) permet un fonctionnement de soupape sans à-coups, notamment lors de l'ouverture de la soupape sous l'effet d'une charge lourde.
Chapman/leonard Studio Equipment
Smart & Biggar
LandOfFree
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