Directional control valve
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United States of America Patent
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-
Apr 11, 2000
Grant Date -
N/A
app pub date -
Apr 14, 1998
filing date -
Aug 7, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A directional control valve has snap-locking device for retaining the slide of the directional control valve in at least one switching position. The snap-locking device has a snap-locking part with a snap-locking piston that allows an engagement part to engage and lock the slide of the directional control valve. A kick-out device disengages the engagement part when a predetermined control pressure is exceeded. The kick-out device triggering force may be adjusted by a setting device that acts on a kick-out spring. A switching device that allows the kick-out function to be switched off independently of the setting of the setting device associated with the directional control valve in order to prevent disengagement independently of the initial stress of the kick-out spring.
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