Gas spring curve control in an adjustable volume gas pressurized device
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United States of America Patent
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Oct 24, 2017
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app pub date -
May 3, 2011
filing date -
Jun 25, 2002
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Abstract
A gas spring curve control valve for a adjustable-volume gas-pressurized device is described. The valve allows for selection from among at least four spring curves and can be packaged in small spaces/devices. In an exemplary embodiment of the invention, a rotary cam having grooves and lobes that interact with spring loaded ball bearings and an external adjuster knob are used to easily change the gas spring curve “on-the-fly” and with minimal user effort.
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