Adjustable valve locking system

Details Adjustable valve locking system Adjustable valve locking system

1982-06-25

1984-09-18

Chambers, A. Michael

Fluid handling

With lock or seal

Locks against rotary motion

137554, 70176, 70179, F16K 3500

Patent

active

044718012

ABSTRACT:
An adjustable valve locking system for valves in which the axial position of a spindle which carries a valve element is dependent upon rotation of an actuating mechanism. Such a locking system includes an annular member surrounding the valve spindle and rotatable with the actuating mechanism, a connection between the annular member and the valve spindle whereby rotation of the annular member will cause axial movement of the valve spindle, a ring threadedly engaging the outer periphery of the annular member, and a radially-movable locking bolt movable into engagement with the ring to lock the same against axial movement while preventing rotation of the annular member and any linear movement of the valve spindle to lock the same. In accordance with the invention, a radially-movable locking block, separate from the locking bolt, is provided for releasably engaging the aforesaid ring to lock the ring against rotation while permitting axial movement of the same by virtue of its threaded connection to the annular member.

REFERENCES:
patent: 1341151 (1920-05-01), Olsen
patent: 1541216 (1925-06-01), Hendricks
patent: 2439113 (1948-04-01), Thieme
patent: 3390943 (1968-07-01), Myers

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