Switch lock with lighted position indicator

Details Switch lock with lighted position indicator Switch lock with lighted position indicator

1988-08-01

1992-05-05

Cusick, Ernest G.

Electricity: circuit makers and breakers

Switch activation inhibitor

Removable actuator

200310, 70432, 34081514, 116286, H01H 2706, H01H 916

Patent

active

051110075

ABSTRACT:
A switch lock is provided including a lock plug rotatable by a key between two or more positions within a lock barrel, and a switch is associated therewith such that one switch pole is selectively placed in one or more positions by the plug. A visual switch position indicator includes a second switch pole in the switch with a power source connected thereto, and an LED visible from the lock forward end has its leads connected to a terminal for selective connection to a power source in response to the position of the lock plug. The LED leads are flexible, disposed in a groove in the rear face of the lock bezel, and pass through a space between the lock barrel and the opening in the mounting plate. The switch wires are fixed to a connector and are protected by a shrink tube over the switch.

REFERENCES:
patent: 1145206 (1915-07-01), Moore et al.
patent: 1213845 (1917-01-01), Davenport
patent: 1328072 (1920-01-01), Bechoff
patent: 1554048 (1925-09-01), Thomas
patent: 1702483 (1929-02-01), Phelps
patent: 2081827 (1937-05-01), Lohe
patent: 2215162 (1940-09-01), Scott
patent: 2286463 (1942-06-01), Chaskin
patent: 2793522 (1957-05-01), Tornoe
patent: 3184557 (1965-05-01), Clarey
patent: 3550410 (1970-12-01), Toepfer
patent: 3579183 (1971-05-01), Lipschutz
patent: 3723677 (1973-03-01), Arias
patent: 3824539 (1974-07-01), Horvath
patent: 4262507 (1981-04-01), Flack et al.
patent: 4683741 (1987-08-01), Fields
Insulation Systems Inc.; No Heat Shrink Tubing and Tape, 1976.

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