Valves and valve actuation – Valve – Bodies
Patent
1987-09-14
1988-05-24
Chambers, A. Michael
Valves and valve actuation
Valve
Bodies
251223, 137315, F16K 3144
Patent
active
047460954
ABSTRACT:
In a valve having a valve body and a bonnet mounted on the valve body, a bonnet lock secures the bonnet against relative rotation with the valve body. The bonnet lock cooperates with a pin driven into the valve body to lock the bonnet against rotation. Unequally spaced slots formed about the lower end of the bonnet lock permit adjustment of the bonnet lock for alignment with the lock pin. A jam nut threadably mounted on the bonnet engages the bonnet lock and maintains it in position.
REFERENCES:
patent: 2958504 (1960-11-01), Lindgren
patent: 3049332 (1962-08-01), Webster
patent: 3153421 (1964-10-01), Webster
patent: 3204925 (1965-09-01), Montuori
patent: 4118007 (1978-10-01), Scapes
patent: 4452428 (1984-06-01), Scaramucci
patent: 4519580 (1985-05-01), Leighton et al.
patent: 4620427 (1986-11-01), Kopesky
patent: 4623120 (1986-11-01), Leighton et al.
patent: 4630629 (1986-12-01), Nimberger
Anderson Greenwood & Co.
Chambers A. Michael
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