Height adjustment chair control

Details Height adjustment chair control Height adjustment chair control

A - Human Necessities

47

C

A47C 3/20 (2006.01) A47C 3/00 (2006.01) A47C 3/30 (2006.01)

Patent

CA 2461781

A chair height adjustment mechanism includes a lever positioned to overlay a valve opening member of a height adjusting cylinder. The lever may be depressed by a cam on a control arm when the control arm is rotated. The depressed lever then depresses the valve opening member. Depression of the lever through the rotation of the control arm may give finer control to the depression of the valve opening member than is conventional.

L'invention concerne un mécanisme de réglage de la hauteur d'un siège incluant un levier disposé de façon à recouvrir l'élément d'ouverture de la valve d'un cylindre de réglage de la hauteur. On peut actionner le levier à l'aide d'une came située sur un bras de commande lorsque l'on fait tourner celui-ci. Le levier actionné actionne à son tour l'élément d'ouverture de la valve. Le fait de procéder ainsi peut permettre de réaliser un réglage plus précis du mouvement de l'élément d'ouverture de la valve que celui des mécanismes conventionnels.

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