Electric power interrupting apparatus

Details Electric power interrupting apparatus Electric power interrupting apparatus

1979-02-28

1980-05-13

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6185, 219250, 219257, 340655, G08B 2100

Patent

active

042031010

ABSTRACT:
A sensor controlled device for interrupting electric power to a portable electric clothes iron. Two sensors are attached to the handle of the iron. These sense skin contact of the operator and horizontal orientation of the iron. The sensors control circuitry which controls a switching circuit which then controls a power connecting means, such as a relay, for shutting off power to the iron. The switching circuit may also control an electronic timer and an alarm.

REFERENCES:
patent: 1284104 (1918-11-01), Heylman
patent: 1350933 (1920-08-01), Oca-Balda
patent: 1521748 (1925-01-01), Brey
patent: 1551091 (1925-08-01), Dworkin
patent: 1562552 (1925-11-01), Hanley
patent: 1573801 (1926-02-01), Bown
patent: 1683252 (1928-09-01), Madigan
patent: 1981309 (1934-11-01), Crossland et al.
patent: 2833903 (1958-05-01), Waddell
patent: 3424894 (1969-01-01), Schwartz et al.
patent: 3827040 (1974-07-01), Simmons

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