F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
142/20
F15B 13/043 (2006.01) G05G 5/02 (2006.01)
Patent
CA 1255571
HYDRAULIC CONTROL VALVE WITH MANUAL OVERRIDE Abstract of the Disclosure A manual override handle assembly for the operation of a hydraulic control valve of the type having a movable spool includes a housing forming a hollow chamber in which a spool extension is slidably mounted. A handle assembly extends outwardly from the housing and is mounted for pivotal movement with- in the chamber. The handle is movable to an inoper- able position wherein the handle is disassociated from the spool extension so that movement of the spool extension will not result in movement of the handle. The handle is further movable to an operable position wherein the handle engages the spool exten- sion so that movement of the handle results in move- ment of the spool extension.
515538
Paik Michael J.
Wilke Raud A.
Husco International Inc.
Riches Mckenzie & Herbert Llp
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