Electrical safety apparatus

Details Electrical safety apparatus Electrical safety apparatus

1994-08-01

1995-09-19

Recla, Henry J.

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

200331, 200330, 200 4314, 294 191, 70203, H01H 928

Patent

active

054517303

ABSTRACT:
Safety apparatus for disconnecting overhead electrical switches for maintenance, comprising an insulated rod having an upper disconnect hook to engage a handle of a switch box and move it from an on position to an off position in which power is disconnected, an arm attached to the rod and cooperating with the hook to secure the switch handle in the off position, and a locking device connected to the arm and to the rod to prevent inadvertent movement of the switch handle to the on position.

REFERENCES:
patent: 1463320 (1923-07-01), Jacobs
patent: 1718398 (1929-06-01), Zaeske
patent: 1774540 (1930-09-01), Alsaker et al.
patent: 2759758 (1956-08-01), Yancey
patent: 4095061 (1978-06-01), Bridges

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