Patent ID: 6705035
Filing Date: 2004-03-16
Classification: F41A,F41C

Abstract:
A barrel balancing device for a break open firearm (20) wherein at least one barrel (9) which is rotatable about a fixed hinge pin (7) arranged on an action body (6), wherein an open-close top lever (13) is provided between a closed aligned position of said at least one barrel (9) and said action body (6), and a position disengaged and rotated upon opening of said at least one barrel (9) with respect to said action body (6), said at least one barrel (9) being carried by an iron fore-end (8), wherein said iron fore-end (8) is arranged on one side of said hinge pin (7) and said action body (6) is arranged on a side opposite said iron fore-end (8) which has attached thereto at least one elastic or viscoelastic group comprising at least one balancer (24, 25), at least one spring guide (22) and at least one spring (23) arranged on said spring guide (22), said at least one spring guide (22) being engaged on a side opposite said spring (23) with at least one balancer (24, 25), and at least one push rod, wherein said at least one push rod (21) acts according to a line of action which is misaligned with respect to said hinge pin (7), wherein said elastic or viscoelastic group interacts between said iron fore-end (8) and said action body (6) to oppose a force that is created when said at least one barrel (9) drops into an open position when said open-close top lever (13) is unlocked, and achieves an opposing force with respect to the weight of said at least one barrel (9) when said break open firearm (20) is in a closed position.