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US 2015/0316171 A1Published application
Hydraulic control valve with manual override
OwnerJoshua Matthew Guarinoinventor
Life of this patent
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Abstract
A manual override for a hydraulic control valve spool includes a rotatable shaft having a threaded hole; a lever pin having a first end connected for movement with a hydraulic control valve spool and a second end having an external thread that is threadably received in the threaded hole; and the threaded hole and external thread include a mechanical antirotation element.
Claims7
A manual override for a hydraulic control valve spool comprising:
- a rotatable shaft having a threaded hole;
- a lever pin having a first end connected for movement with a hydraulic control valve spool and a second end having an external thread that is threadably received in the threaded hole;
- and the threaded hole and external thread include a mechanical antirotation element.
A hydraulic control valve comprising:
- a valve body;
- a hydraulic control valve spool bore;
- a hydraulic control valve spool bore disposed in the bore;
- a rotatable shaft having a threaded hole;
- and
- a lever pin rotatable with the rotatable shaft, the lever pin having a first end connected for movement with the hydraulic control valve spool and a second end having an external thread that is threadably received in the threaded hole of the rotatable shaft,
- wherein the threaded hole and external thread provide an interference threaded connection.
4 more elements
Dependencies are inferred from the claim text.