Safety lockout valve and coupling

Details Safety lockout valve and coupling Safety lockout valve and coupling

1991-08-14

1992-11-10

Chambers, A. Michael

Fluid handling

With lock or seal

251 96, 251346, F16K 3500

Patent

active

051615681

ABSTRACT:
An improvement in a valve and coupling device for pressure lines utilized in transferring air or water under pressure to provide a safety lockout feature in which the valve control sleeve can be held in open or closed position in a positive manner by an ancillary lock. The improvement comprises a modified control sleeve and clamping jaw dependent on the valve coupling configuration used in relation to the connection requrirement.

REFERENCES:
patent: 1850879 (1932-03-01), Hunt
patent: 2509671 (1950-05-01), Christensen
patent: 2688340 (1954-09-01), Stehlin
patent: 3094306 (1963-06-01), Conrad
patent: 3750752 (1973-08-01), Mott
patent: 3960366 (1976-06-01), Abney et al.

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