Ordnance – Breech closures – Transverse
Patent
1990-07-02
1991-10-08
Bentley, Stephen C.
Ordnance
Breech closures
Transverse
89 26, 89 2713, 89 3303, 42 102, F41A 1957
Patent
active
050543652
ABSTRACT:
A gun includes a gun barrel having a breech end; a wedge-type breechblock disposed at the breech end; a flash bore in the breechblock; a seal disposed adjacent to and surrounding an inlet opening of the flash bore; a firing mechanism mounted on the breechblock; a propellant igniter magazine removably receivable in the breechblock and including a housing and an endless guide channel defined in the housing; and a plurality of casings received in the guide channel. The casings are arranged in a side-by-side contacting relationship with one another; each casing having opposite open ends and a chamber for receiving a propellant igniter cartridge therein. There is further provided an advancing mechanism for step-wise advancing the casings in the endless guide channel for moving each casing into and out of a firing position in which a respective casing is in alignment with the flash bore and in engagement with the seal. The firing mechanism is arranged to ignite the propellant igniter cartridge contained in the casing that dwells in the firing position, whereby a propellant igniting flame passes from the cartridge through the flash bore.
REFERENCES:
patent: 4452123 (1984-06-01), Holtrop et al.
patent: 4558626 (1985-12-01), Bervolles
"Rheinmetall's Langesrohr Pentalateral 135 mm Artillery Ordnance for the 1990's" International Defense Review No. 5, 1989, pp. 653-655.
Bentley Stephen C.
Rheinmetall GmbH
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