Hydraulic spool lock and method of use

Details Hydraulic spool lock and method of use Hydraulic spool lock and method of use

2005-08-09

2005-08-09

Walton, George L. (Department: 3753)

Fluid handling

Systems

With selective motion for plural valve actuator

C074S018100, C074S47100R, C074S4710XY, C074S523000, C074S527000, C074S491000, C251S095000, C251S098000, C251S113000, C137S001000, C137S015210

Reexamination Certificate

active

06926034

ABSTRACT:
A hydraulic spool lock with a hydraulic spool housing, first and second hydraulic spools mounted within the hydraulic spool housing for independent selective movement with respect to the hydraulic spool housing, and a lock plunger movable mounted to the hydraulic spool housing. The present invention allows independent movement of the spools with respect to the hydraulic spool housing when the hydraulic spool lock is in the unlocked position. The present inventions prevents movement of the spools with respect to the hydraulic spool housing when the hydraulic spool lock is in a locked position.

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