Drain plug position indicator apparatus

Details Drain plug position indicator apparatus Drain plug position indicator apparatus

1990-05-29

1991-09-10

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

114197, 200 6142, G08B 2100

Patent

active

050477536

ABSTRACT:
An apparatus including a plug detector mechanism mounted adjacent an interior surface of a drain plug aperture directed through a transom of a boat. The detecting means includes a spring-biased switch positionable from an extended position in the absence of a plug to a retracted position in the presence of a plug directed through the transom. The switch is cooperative with an audible member to effect alarm in the absence of the plug.

REFERENCES:
patent: 2209466 (1940-07-01), Miller
patent: 3018751 (1962-01-01), Spurlock
patent: 3036541 (1962-05-01), Musick et al.
patent: 4542373 (1985-09-01), Hillock
patent: 4843376 (1989-06-01), Wagner et al.

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