Manual valve device
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United States of America Patent
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Aug 23, 2022
Grant Date -
Jun 4, 2020
app pub date -
Nov 26, 2019
filing date -
Nov 29, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A manual valve device including: a plurality of air bags provided inside a vehicle seat; a valve main body including a plurality of flow passages communicating with the plurality of air bags, respectively; a plurality of valve bodies movable inside the valve main body so as to open and close the plurality of flow passages, respectively; a plurality of valve shafts coupled to the plurality of valve bodies, respectively, and configured to be manually operated to move the plurality of valve bodies in a stroke; and an operation lever configured to press any one of the plurality of valve shafts or any combination of the plurality of valve shafts in an axial direction, in which the operation lever includes an adjustment mechanism configured to adjust an air flow rate per unit time flowing in the plurality of flow passages by changing a stroke amount in the axial direction.
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