Automatically locking valve

Details Automatically locking valve Automatically locking valve

1986-10-31

1987-12-01

Chambers, A. Michael

Fluid handling

With lock or seal

Locks against rotary motion

251367, 70179, F16K 3500

Patent

active

047097205

ABSTRACT:
A locking valve has a housing defining a fluid flow passageway, a stem bore and a lock bore intersecting the stem bore. A plug or stem may seat in the stem bore for movement between passageway opening and closing positions. A locking device is disposed in the lock bore and is arranged automatically to arrest and prevent movement of the stem upon its movement to a desired locked position such as when it closes the passageway.

REFERENCES:
patent: 703564 (1902-07-01), Ellison
patent: 2631577 (1953-03-01), Carter
patent: 3614203 (1986-09-01), Russo
patent: 3722853 (1973-03-01), Dargatz et al.
patent: 4483366 (1984-11-01), Labita

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