Ordnance – Mounts – Locks
Patent
1988-03-07
1990-01-02
Bentley, Stephen C.
Ordnance
Mounts
Locks
89 4112, 188300, F41F 2108
Patent
active
048905372
ABSTRACT:
In a firing weapon with an elevatable weapon barrel, it must be possible to fix or lock the weapon barrel in each desired position. For this purpose, known firing weapons are equipped with braking devices in which large frictional forces occur, thereby making it necessary to use servo-mechanisms. In accordance with the invention, the elevation of the weapon barrel is fixed or locked by means of a cylinder and a piston. The piston comprises a closeable through-passage opening through which a pressure medium flows, as long as the through-passage opening is open between a chamber located on one side or face of the piston into an other chamber located on the other side or face of the piston. The through-passage opening is closeable for fixing or locking the weapon barrel at a predeterminate elevation.
REFERENCES:
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patent: 3343619 (1967-09-01), Johansson
patent: 3562901 (1971-02-01), Ray
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patent: 4793450 (1988-12-01), Savenije
patent: 4828080 (1989-05-01), Locher
Mannhart Peter
Schmid Samuel
Streit Roland
Bentley Stephen C.
Kleeman Werner W.
Werkzeugmaschinen-fabrik Oerlikon-Buhrle AG
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