Valve guard
AssigneeCustom Iron & Specialties, Inc.
InventorGurney V. Youngblood
Life of this patent
Estimating the term…
Abstract
A valve guard to prevent deliberate tampering with or accidental movement of a rotatable valve handle comprising a connecting member for connection to the valve body and a locking member pivotally connected to the connecting member for movement toward and away from the valve handle. The locking member includes first abutment means engageable with the valve handle in an open-valve position to lock the valve handle in the open-valve position and second abutment means engageable with the valve handle in a closed-valve position to lock the valve handle in the closed-valve position.
Claims11
A valve guard for use with a valve of the type comprising a valve body having a flowway therethrough, a valve stem extending from said valve body generally perpendicular to the axis of said flowway, and a valve handle rigidly affixed to said valve stem distal said valve body, said valve handle being rotatable about the axis of said valve stem between an open-valve position and a closed-valve position, said valve guard comprising:
- a connecting member for connection to said valve body in a location spaced from said valve stem along the axis of the flowway of said valve, and a locking member pivotally connected to said connecting member for movement between a locking position and a free position, said locking member including first abutment means engageable with said valve handle when said locking member is in said locking position and said valve handle is in said open-valve position to lock said valve handle in said open-valve position, and second abutment means engageable with said valve handle when said locking member is in said locking position and said valve handle is in said closed-valve position to lock said valve handle in said closed-valve position.
Dependencies are inferred from the claim text.