Patent ID: 8756844

Claim:
A closure for break-action firearms, comprising a barrel assembly which has a longitudinal dimension and is hinged to a break-action assembly so as to define a closed position and an open position of the firearm; said barrel assembly has a breech end that extends substantially perpendicularly to said longitudinal dimension which is opposite with respect to a breech face of said break-action assembly when said firearm is in the closed position; said closure further comprising a monolithic plate which is associated with said break-action assembly and is interposed between said breech end of said barrel assembly and said breech face of the break-action assembly in said closed position; said plate closing said breech end by a temporary locking mechanism that temporarily locks said plate to said barrel assembly in said closed position, said temporary locking mechanism including a pair of upper lateral plugs on said plate, each of which has a rounded surface that arcs about an axis parallel to said breech end and transverse to said longitudinal dimension in the closed position of the firearm and engages a respective lug provided on said barrel assembly at said breech end of said barrel assembly, said temporary locking mechanism further including on said barrel assembly, at said breech end, a pair of lower lateral shoulders that engage respective lobes of a hook provided monolithically with said plate.