Firearms – Safety mechanism – Hammer or firing pin
Patent
1995-10-11
1997-02-18
Johnson, Stephen M.
Firearms
Safety mechanism
Hammer or firing pin
42 7011, 42 7006, F41A 1726
Patent
active
056031793
ABSTRACT:
A safety mechanism for a firearm consisting of a specialized scanning mechanism built into the firearm's trigger. The scanner is programmed to read the unique fingerprints of a given individual. The device is also capable of holding the programmed print information for more than one person, so that multiple people would he able to use the firearm. However, usage is limited to only those persons whose hand prints have been prestored in the scanner. The scanner mechanism is connected to the firearm's safety lock. The safety is prevented from being released without proper authorization from the scanner. When a person grips the weapon and places his finger on the trigger, the pressure of the finger on the trigger activates the scanner, and the scanner reads the fingerprint to determine if the scanned fingerprint matches one of the pre-stored fingerprint images. If the individual is an authorized user, the scanner transmits a signal to the safety, releasing this device and activating the firearm for use.
REFERENCES:
patent: 4467545 (1984-08-01), Shaw, Jr.
patent: 4970819 (1990-11-01), Mayhak
patent: 5062232 (1991-11-01), Eppler
patent: 5459957 (1995-10-01), Winer
patent: 5502915 (1996-04-01), Mendelsohn et al.
Johnson Stephen M.
Kroll Michael I.
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