Patent ID: 6865839
Filing Date: 2005-03-15
Classification: F41A

Abstract:
1. For use with a firearm having a firing pin, a trigger, a trigger spring biasing the trigger toward a forward position, a magazine shaft and a removable magazine, a safety unit comprising: a hammer defining a recess and being mounted for pivoting movement about an axis, the hammer including a contact point positioned adjacent the recess, wherein the contact point strikes the firing pin when the hammer moves from a cocked position to a fired position, the contact point follows a motion path when the hammer moves from the cocked position to the fired position; and a swiveling lever mounted for rotation about a lateral axis between a safety position and a firing position such that a first end of the lever is received in the recess of the hammer if the lever is in the firing position when the hammer moves from the cocked position toward the fired position and the contact point of the hammer engages the first end of the lever if the lever is in the safety position when the hammer moves from the cocked position toward the fired position, the lateral axis being disposed parallel to the axis of the hammer and approximately on a tangent to the motion path of the contact point proceeding from a point occupied by the contact point when the hammer engages the swiveling lever with the swiveling lever in the safety position, the swiveling lever moving from the firing position to the safety position in response to an acceleration of the firearm.