Manually releasable drainport closure apparatus

Details Manually releasable drainport closure apparatus Manually releasable drainport closure apparatus

1985-03-11

1986-04-22

Pollard, Steven M.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215211, 215216, 222522, B65J 5502

Patent

active

045836507

ABSTRACT:
A drainport closure device particularly suitable for a motor vehicle radiator drain valve. The device is composed of a housing and plug member. The housing communicates with a fluid containing vessel at one end and the other end receives the plug. The plug has one or more flexing arms which may be compressed to permit the plug to be moved between two positions within the housing. In the first position an "O"-ring seal carried by the plug prevents fluid drainage whereas when the plug is repositioned to a second position, fluid drainage occurs.

REFERENCES:
patent: 1567084 (1925-12-01), Rose
patent: 2772037 (1956-11-01), Rieke
patent: 2935219 (1960-05-01), Smith
patent: 3623622 (1971-11-01), Sullivan
patent: 3642161 (1972-02-01), Stroud
patent: 4508234 (1985-04-01), Bartholomew
patent: 4516691 (1985-05-01), Christine et al.

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