Electrical lock

Details Electrical lock Electrical lock

1986-05-27

1987-06-23

Weidenfeld, Gil

Electrical connectors

With unauthorized connection preventer, e.g., key or...

439147, 439304, H01R 13639

Patent

active

046748130

ABSTRACT:
A theft protection system for an electrical instrument includes a metal jacket power cord having an enlarged plug at each end. The base of a first locking device is secured to the instrument and one end of the cord is plugged into a socket on the instrument. Thereafter, a cover is placed over the plug and socket and is locked to the base with the cord passing through a slotted opening in the cover. A second base member in the form of a plate is secured to a standard duplex electrical outlet. The plug at the other end of the cord is inserted into the electrical socket and is then covered by a cover member which is locked to the base plate. The cord cannot be removed from the wall outlet or the instrument without unlocking the cover members.

REFERENCES:
patent: 4134045 (1979-01-01), Quin
patent: 4424407 (1984-01-01), Barbic
patent: 4479688 (1984-10-01), Jennings
patent: 4531794 (1985-07-01), Heverly
patent: 4584430 (1986-04-01), Belknap
patent: 4603931 (1986-08-01), Ruffman

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