Class 89/4.2 - Transverse sliding breech block

Subclass of Class 89 - Ordnance
Definition: Subject matter where the explosion opens a closure which
No. of patents: 4
Last issue date: 02/20/2007

Number	Title	Issue Date
7178443	Wedge-type breechblock A wedge-type breechblock is provided 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 includes a closing wedge for arranging in the breech plate such that the closing wedge can...	02/20/2007
5085123	Large-caliber guns A device used especially in a large caliber weapon for controlling the train of motion of an ammunition unit during the ramming thereof in the weapon, and of the case of the ammunition unit on firing of the gun includes an impact arrangement which upon ra...	02/04/1992
4955281	Counterrecoil blocking device A gun includes a barrel arranged to execute a recoil and a counterrecoil after a shot is fired; a trunnion about which the barrel is pivotal in a vertical plane to assume an index position and firing positions situated at an angle to the index position; a...	09/11/1990
4308785	Breech mechanisms A sliding breech block suitable for rapid, semi-automatic operation of a bag charge gun comprises two interlinked portions mutually engageable in two dispositions at a stepped interface one of the portions being drivable in a transverse guideway by gun ru...	01/05/1982

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