Swimming pool alarm

Details Swimming pool alarm Swimming pool alarm

1987-09-28

1988-10-04

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6145R, 200 6152, 340573, 340689, G08B 1300, G08B 2100

Patent

active

047758546

ABSTRACT:
A swimming pool alarm is made in the form of an upright floating inverted frusto-cone wherein the narrow part of the cone rises above the floating base and a perimeter surrounds the base above the water line. A ball is positioned atop the narrow portion on a washer holding a spring biased "off-on" electrical switch in the off position against the spring bias. A battery and audible alarm are wired through the switch so that unauthorized entrance into the pool causes the base to tilt from the wave action produced and the ball falls off the washer allowing the switch to activate the alarm.

REFERENCES:
patent: 1650968 (1927-11-01), Tedeschi
patent: 3038151 (1962-06-01), O'Connor, Jr. et al.
patent: 3276007 (1966-09-01), White
patent: 3769472 (1973-10-01), Bell et al.

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