Junction box locking apparatus

Details Junction box locking apparatus Junction box locking apparatus

1993-04-05

1994-12-27

Shoap, Allan N.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

220 38, 220284, 215302, 292DIG16, B65D 4516

Patent

active

053757319

ABSTRACT:
A locking apparatus for a closure having a container and cover, the apparatus comprising a latch member mounted to the interior of the cover and a corresponding catch member mounted to the interior the container. A helical coil passes through a helical passageway at the closure for engaging and disengaging the latch and the catch members for unlocking and locking the closure.

REFERENCES:
patent: 742563 (1903-10-01), Beehler
patent: 773319 (1904-10-01), Grossbeck
patent: 893248 (1908-07-01), Kingston
patent: 911004 (1909-01-01), Gano
patent: 1416616 (1922-05-01), Crane
patent: 2113687 (1938-04-01), Grace
patent: 3893584 (1975-07-01), Ledford
patent: 4291817 (1981-09-01), Spitzer et al.
patent: 4993575 (1991-02-01), Maes
patent: 5077993 (1992-01-01), Blair et al.

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