Fluid handling – With lock or seal
Reexamination Certificate
2011-06-28
2011-06-28
Fristoe, Jr., John K (Department: 3753)
Fluid handling
With lock or seal
C251S099000, C074S527000
Reexamination Certificate
active
07967024
ABSTRACT:
A hydraulic valve assembly for an excavator including a hydraulic valve movable along a longitudinal axis to control a flow of fluid, a flange coupled to the hydraulic valve, the flange including a receptor, and a locking mechanism movable between a locked orientation and an unlocked orientation. In the locked orientation, the locking mechanism cooperates with the receptor to inhibit movement of the hydraulic valve along the longitudinal axis and in the unlocked orientation the hydraulic valve is free to move along the longitudinal axis.
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Clark Equipment Company
Fristoe, Jr. John K
Rost Andrew J
Veldhuis-Kroeze John D.
Westman Champlin & Kelly P.A.
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