Flow Control Valve and Cylinder Apparatus Having the Same
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United States of America Patent
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Issued Date -
Oct 2, 2008
app pub date -
Jan 19, 2005
filing date -
Feb 4, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Inside a cartridge-type cylindrical casing (40), a meter-out inlet (43), a valve chamber (44), a rod chamber (46), and a meter-out outlet (47) are formed in that order. The rod chamber (46) and the valve chamber (44) are arranged substantially concentrically, and a check valve seat (53) is provided on an inner peripheral surface of a peripheral wall (44a) of the valve chamber (44). A check ball (52) inserted in the valve chamber (44) is urged toward the check valve seat (53) by a spring (54). A throttle valve seat (59) is provided on a leading end portion of an adjusting rod (45) screwed in the rod chamber (46), and a throttle gap (G) is formed between the throttle valve seat (59) and the check ball (52).
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