Firearms – Safety mechanism – Trigger lock
Patent
1987-10-09
1988-07-05
Parr, Ted L.
Firearms
Safety mechanism
Trigger lock
42 7001, F41C 1702
Patent
active
047545682
ABSTRACT:
A safety mechanism for projectile weapons includes a stop means mounted to prevent the movement of the trigger and/or hammer to a position enabling the weapon to be fired. The stop means includes a generally cylindrical pin having one end extending through a wall of the weapon and the internal body under spring pressure biasing the pin to a first safety "on" position. A cam lobe is formed on the body of the internal portion and engages a portion of the trigger and/or hammer to prevent movement of the trigger and/or hammer from the disabled position. A radially extending key formed on the pin engages a slot in the wall of the weapon to prevent the pin from being rotated about its longitudinal axis. In order to disengage the safety, pressure is applied to the pin to move it to a second position along a path parallel to the longitudinal axis of the pin whereby the key is moved out of the slot to permit rotation of the pin about its longitudinal axis. Such rotation moves the cam lobe out of engagement with the trigger and/or hammer to permit the trigger and/or hammer to be actuated to fire the weapon.
REFERENCES:
patent: 1227531 (1917-05-01), Donadio
patent: 2225583 (1940-12-01), Blizard
patent: 2458616 (1949-01-01), Maynor
patent: 4445292 (1984-05-01), Martin
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