Barber Chair Hydraulic
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How is a hydraulic system used?
I would like to know how a hydraulic system is used in a barber shop chair. Thanks!
Same as a floor jack that's used to jack up a car.
The lever is a small positive displacement pump. Each stroke pumps a small amount of oil from a reservoir into the lift cylinder. That jacks the chair up.
To let it down, the pressurized fluid is vented with a valve. Gravity acting on the mass of the chair forces oil out of the cylinder, through the valve and back to the reservoir to let the chair down.
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