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EP0051119A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Automatic large caliber ammunition loading system

Assignee: FMC Corp
•
Filing: 1981-08-21
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Granted: —
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Expires: 2001-08-21
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Abstract

Abstract A large caliber cannon (26) such as a 155 mm Howitzer using ammunition rounds consisting of a projectile and a separate propellant charge which are loaded in sequence into the breech (28) of the cannon. The cannon (26) is mounted on a gun carriage (30) and is free to move in elevation on the carriage (30) about an elevation axis (31). The carriage (30) is controllable in azimuth for gun aiming. A first storage drum (36) for holding a plurality of projectiles and a second storage drum (37) for the charges are mounted on the carriage (30). A projectile transfer tray (46) and a propellant charge transfer tray (47) are positioned to receive the projectiles and their propellant charges from the respective storage drums (36,37). The trays (46,47) are pivotally mounted on cradle arms (48,49) so that they may be rotated between a receiving position and a gun loading position. The cradle arms (48,49) are pivotally mounted on the gun carriage (30) so that they may be rotated about the elevation axis (31) between their elevation in the receiving position and a position in alignment with the breech (28) when the cannon is being trained. A control is provided which actuates a mechanism to transfer the projectiles and charges from the storage drums (36,37) to the respective trays (46,47) and from the trays to the breech (28). The control monitors the position of the mechanical components and actuates them in appropriate sequence so that a series of ammunition rounds are delivered from the drums (36,37) to the breech (28).

Inventors

  • 👤 John Louis Scheurich
  • 👤 Gary John Nelson

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-31 18:07
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/01; F41A9/24; F41A9/26; F41A9/06; F41A9/09; F41A9/10; F41A9/13; F41A9/14; F41A9/37; F41A9/375; F41A9/38; F41A9/39; F41A9/42; F41A9/50

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 175 words
A system providing transfer of ammunition rounds to a breech of a cannon which is independently movable in both azimuth and elevation positions, characterized in that means is mounted in fixed azimuthal relation with the cannon for movement therewith in azimuth and for storing an array of ammunition rounds, said means for storing being non-movable with said cannon in elevation, that a support tray is adapted to receive the ammunition rounds from said array, that means is provided for moving said support tray from a receiving position adjacent said means for storing to a loading position adjacent the breech, that means is provided for transferring ammunition rounds from said means for storing to said support tray in said receiving position, that means is provided for loading ammunition rounds into breech from said support tray when in said loading position, and that control means is present for sequentially actuating said means for storing, means for transferring, means for moving and means for loading to deliver a series of ammunition rounds from said array to the breech.
Claim 2
Independent Claim 175 words
A system providing transfer of ammunition rounds to a breech of a cannon which is independently movable in both azimuth and elevation positions, characterized in that means is mounted in fixed azimuthal relation with the cannon for movement therewith in azimuth and for storing an array of ammunition rounds, said means for storing being non-movable with said cannon in elevation, that a support tray is adapted to receive the ammunition rounds from said array, that means is provided for moving said support tray from a receiving position adjacent said means for storing to a loading position adjacent the breech, that means is provided for transferring ammunition rounds from said means for storing to said support tray in said receiving position, that means is provided for loading ammunition rounds into breech from said support tray when in said loading position, and that control means is present for sequentially actuating said means for storing, means for transferring, means for moving and means for loading to deliver a series of ammunition rounds from said array to the breech.
Claim 3
Dependent Claim 68 words
The system of claim 1 wherein the ammunition rounds are projectiles and projectile propellant charges and wherein said means for storing comprises: a projectile store having a plurality of chambers therein accepting the projectiles, a propellant charge store having a plurality of chambers therein accepting the charges, and means for indexing each of said stores to bring ones of said plurality of chambers adjacent to said receiving position.
Claim 4
Dependent Claim 50 words
The system of claim 1.where in said means for transferring comprises a pawl adapted to contact said ammunition rounds, a drive chain attached to said pawl, and means for driving said drive chain so that said pawl contacts and moves ones of said ammunition rounds from said means for storing.
Claim 5
Dependent Claim 45 words
The system of claim 1 wherein said means for moving said support tray, comprises: a cradle arm pivotally attached to the cannon, and means for attaching said support tray to said cradle arm and for providing rotational movement thereon between said receiving and loading positions.
Claim 6
Dependent Claim 69 words
The system of claim 4 wherein the cannon is controllable in elevation position about an elevation axis wherein said cradle arm is disposed for rotating movement about the elevation axis, and wherein said means for moving comprises means for driving said cradle arm about the elevation axis so that said support tray is aligned with the breech when in said loading position for all elevation positions of the cannon.

References Cited (Backward Citations)

US1602568A Cited
US1753850A Cited
CH461307A Cited
DE2027586A1 Cited
DE2501424A1 Cited
US3994202A Cited
FR2443041A1 Cited

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