F - Mech Eng,Light,Heat,Weapons – 41 – A
Patent
F - Mech Eng,Light,Heat,Weapons
41
A
89/28
F41A 15/10 (2006.01) F41A 3/78 (2006.01)
Patent
CA 1270401
ABSTRACT The disclosure relates to automatic guns in which there is included an apparatus for increasing the rate of fire of the gun. The breech mechanism of the gun is controlled by means of recoil move- ments which arise on discharge of the gun and by an operating cam and spring member included in the mechanism. Two case ejectors are disposed to arrest the breech block in the region of total recoil position of the breech and to hold the breech block in the open po- sition in order to make for ramming-home of a new round. In the arrested position of the breech block, the ejectors are exposable to the new round during its ramming cycle. A portion of the kinetic energy inherent in the round is transmitted to the ejectors which, in such an instance, may accompany the round and release the breech block so that this is actuated towards its closed position by the spring member. The operating cam is movably disposed at least when the breech is located in the region of its total recoil position. The spring member may, in this manner, begin to actuate the breech block on its movement towards the arrest position at an earlier stage than has hitherto been possible.
507608
Aktiebolaget Bofors
Fetherstonhaugh & Co.
Hallqvist Sten
LandOfFree
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