Valve lockout assembly

Details Valve lockout assembly Valve lockout assembly

1982-11-06

1993-09-14

Chambers, A. Michael

Fluid handling

With lock or seal

Locks against rotary motion

251 93, 70178, 70180, F16K 3500

Patent

active

052440087

ABSTRACT:
A valve lockout assembly for preventing mistaken operation of a valve includes an outer hub and an inner collar that are concentrically disposed about the actuating shaft of a valve. The outer hub engages the valve cover which prevents the hub's rotation. The inner collar, which is coupled to the actuating shaft, is also coupled to the hub at selected angular positions corresponding to fully opened and closed positions of the valve.

REFERENCES:
patent: 932437 (1909-08-01), Brady
patent: 983842 (1911-02-01), Scheneible
patent: 1495630 (1924-05-01), Bees
patent: 3865130 (1975-02-01), Mullis
patent: 5058622 (1991-10-01), Chitty, Jr. et al.
patent: 5139041 (1992-08-01), Albrecht

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