Patent ID: 7178443

Claim:
A wedge-type breechblock for a weapon having a barrel that recoils relative to a cradle, the barrel having a bore with an axis, and a breech plate, the breechblock comprising: a closing wedge for arranging in the breech plate such that the closing wedge can be displaced transverse to the axis of the bore; at least one control lever; a pin-type carrier attached to the control lever; a breech mechanism shaft that activates the closing wedge, the breech mechanism shaft being connected on a side that faces the cradle to the control lever; at least one guiding device for guiding the pin-type carrier is provided on the cradle on a side of the cradle that faces the barrel; an ascending curved track located on the guiding device, along which the pin-type carrier is guided during a counter-recoil motion of the barrel from an intake region to a highest point, so that the control lever is pivoted during the counter-recoil motion of the barrel, and the breech mechanism shaft is turned to move the closing wedge to an opened position; and a straight guide track located on the guiding device, positioned lower than the highest point of the curved track, and which transitions to the intake region of the ascending curved track, wherein at least the curved track of the guiding device that follows the intake region is designed to function as a diverter for the carrier during the counter-recoil motion of the barrel.