Safety lock-set

Details Safety lock-set Safety lock-set

1997-05-07

1998-09-08

Gall, Lloyd A.

Locks

Operating mechanism

Key

70DIG43, 292337, E05B 1516

Patent

active

058028960

ABSTRACT:
A safety lock-set is provided which includes a main body, a socket and a bushing. The heat-treated socket is used not only to close off the lock-pin hole of the main body, but also to form a skirt for the spring and the back end of the latch. The heat-treated bushing is provided to sleeve over the connecting area of the set bar and the latch from the lock barrel side. The socket and the bushing connect together with a respective curved notch on each one, to form a closed connecting sleeve to protect the connecting areas of the latch and the spring and the set bar, in order to prevent someone from drilling through the lock-set.

REFERENCES:
patent: 4183235 (1980-01-01), Coralli et al.
patent: 4338804 (1982-07-01), Solovieff
patent: 4587816 (1986-05-01), Garcia
patent: 5255544 (1993-10-01), Wu
patent: 5316353 (1994-05-01), McKernan

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