Patent ID: 6836989

Claim:
Safety device for a breechblock of a firearm for limiting accidental sliding of said breechblock ( 14 ) caused by an impact to the firearm, said safety device comprising a locking lever ( 15 ) affixed to said breechblock ( 14 ), said locking lever ( 15 ) being axially pivoted to a structure of the firearm to allow rotation of said locking lever ( 15 ) in an axis of rotation ( 11 ), an elastic return element ( 18 ) connected to said locking lever ( 15 ), for keeping said locking lever ( 15 ) in a rest position during conditions of normal use of the firearm, said locking lever ( 15 ) being equipped with an engagement element ( 19 ) for engagement with a seat ( 23 ) of said breechblock ( 14 ) and affixed to said breechblock ( 14 ) to provide said locking lever ( 15 ) with a centre of gravity (G) which is offset with respect to the axis of rotation ( 11 ) of said locking lever ( 15 ), to cause inertial rotation of said locking lever ( 15 ) to cause said locking lever ( 15 ) to engage said seat ( 23 ) when said firearm is subjected to an impact.