Firearms – Safety mechanism – On trigger guard
Patent
1995-03-24
1998-01-06
Johnson, Stephen M.
Firearms
Safety mechanism
On trigger guard
42 7011, F41A 1706, F41A 1754
Patent
active
057041512
ABSTRACT:
The present invention relates to a safety lock that is attachable to the trigger of firearms to prevent accidental or unauthorized discharge. The safety lock comprises a pair of opposed plates, one having one or more pins extending normal therefrom, the other having a set of complementary pin-receiving orifices and housing a locking mechanism. The locking mechanism is controlled by a battery-powered microprocessor which not only receives and analyzes signals from a keypad, but detects unauthorized signals, controls deactivation of the keypad for preset period of time upon the detection of unauthorized user or improper code input, controls an audio alarm signal of the keypad by an unauthorized user, controls a low-battery warning signal, allows the authorized user to change the authorized signal, provides a method for disabling the locking system other than through the user determined code input at the keypad, monitors, controls, and provides for a low-battery voltage drain; and illuminates the keypad upon activation of the safety lock.
REFERENCES:
patent: 5022175 (1991-06-01), Oncke et al.
patent: 5193201 (1993-03-01), Tymes
patent: 5283971 (1994-02-01), Fuller et al.
patent: 5303495 (1994-04-01), Harthcock
patent: 5392552 (1995-02-01), McCarthy et al.
patent: 5419068 (1995-05-01), Pages et al.
patent: 5487234 (1996-01-01), Dragon
patent: 5583486 (1996-12-01), Kergten
Kirk James F.
Kirk John
West James Paul
Johnson Stephen M.
West James Paul
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