Hydraulic control valve
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United States of America Patent
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-
Sep 22, 1998
Grant Date -
N/A
app pub date -
Feb 1, 1996
filing date -
Nov 1, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic control valve has a two position body shifted by rotation. The shaft of the valve body carries a drive wheel segment extending through an arc that corresponds to the shift angle of the valve. A spring is provided to bias, at least in the final stage of rotation in either direction, the wheel segment in the opposite direction of rotation. This enables the valve body to be positioned into the other position in a reliable manner.
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