Field gun aim
AssigneeBAE SYSTEMS plc
InventorsKeith Dawson, Frederick Herbert, John Michael Webb
Life of this patent
Estimating the term…
Abstract
A howitzer suitable for deployment on a ground plane, the howitzer having an ordnance for firing a projectile. The ordnance can include a barrel defining a barrel axis and having a muzzle towards the front end of the howitzer and a breech assembly at the back end of the barrel; a cradle for holding the ordnance at a traverse and an elevation; two trunnion pins located on the cradle, which co-locate with receiving trunnion bearings on a saddle, wherein in a first position said breech is located forward of the trunnion, in a second position, at the end of the recoil stroke, the breech is retracted substantially behind the trunnion, wherein a recoil stroke is variable depending on the selection of the elevation.
Claims6
A split lift howitzer, comprising:
- i) an elevating mass including:
- a) an ordnance for firing a projectile, the ordnance including a barrel defining a barrel axis and having a muzzle towards a front end of the howitzer and a breech assembly at a rear end of the barrel;
- and
- b) a cradle for holding the ordnance at a traverse and an elevation, wherein the cradle includes a front bridge portion which engages with a piston rod of a recoil brake and a piston rod of a recuperator, and the recoil brake is mounted on top of the barrel and the recuperator is mounted below the barrel;
- and
- c) two trunnion pins of a trunnion located on said cradle, which co-locate with receiving trunnion bearings on a saddle;
- ii) wherein in a first position said breech assembly is located forward of said trunnion;
- iii) in a second position said breech assembly is retracted substantially behind said trunnion;
- and
- iv) wherein a recoil stroke is variable depending on a selection of elevation.
Dependencies are inferred from the claim text.