Patent ID: 6926034

Claim:
A hydraulic spool lock comprising: a hydraulic spool housing; at least first and second hydraulic spools mounted within the hydraulic spool housing for independent selective movement with respect to the hydraulic spool housing; the at least first and second hydraulic spools having a locking annular groove disposed on a portion thereof; a lock plunger with first and second locking members, the lock plunger movable mounted to the hydraulic spool housing for movement from an unlocked position permitting movement of the at least first and second hydraulic spools with respect to the hydraulic spool housing, the lock plunger being moveable to a locked position, wherein the locking members matingly engage within the locking annular groove of each of the first and second hydraulic spools and thereby prevent movement of the at least first and second spools with respect to the hydraulic housing.