CONNECTING STRUCTURE FOR VALVE ELEMENT AND VALVE STEM
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United States of America Patent
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N/A
Issued Date -
Oct 4, 2012
app pub date -
Apr 4, 2011
filing date -
Apr 4, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Valve stem holes (17) and pin holes (18) are formed on a valve element (3). A groove (23) is formed on the outer periphery of an insertion part (22) of a valve stem (4). In a state in which the insertion part (22) is inserted into the valve stem hole (17), the groove (23) and the pin hole (18) form an engaged part (27), and a connecting pin (16) is inserted into the pin hole (18) and is engaged with the engaged part (27) while being fit into the groove (23). In the engaged part (27), a pin contact face (30) of the connecting pin (16) is in surface contact with a groove contact face (26) in the bottom of the groove (23) and the groove contact face (26) is inclined with respect to a rotation axis (6) of the valve stem (4).
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