Locking drain valve

Details Locking drain valve Locking drain valve

1983-05-06

1985-04-23

Scott, Samuel

Valves and valve actuation

With means for blocking or disabling actuator

Latch manipulator mounted on valve body

251144, 251297, 251301, F16K 3502

Patent

active

045125473

ABSTRACT:
A finger operated drain valve for crankcases, radiators and bilge drains having a slide gate held in the closed position by a locking spring.

REFERENCES:
patent: 303656 (1884-08-01), Metzger et al.
patent: 450588 (1891-04-01), Lunkenheimer
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patent: 3207470 (1965-09-01), Kuckhoff
patent: 3677369 (1972-07-01), Schramm
patent: 3874478 (1975-04-01), Mantell, Jr.
patent: 3954250 (1976-05-01), Grace
patent: 4025048 (1977-05-01), Tibbitts
patent: 4086981 (1978-05-01), Mitsui
patent: 4231544 (1980-11-01), Balch
patent: 4298182 (1981-11-01), Balch

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