Ordnance – Shields – For ships
Patent
1974-12-13
1977-02-01
Brown, David H.
Ordnance
Shields
For ships
F41H 500
Patent
active
040056341
ABSTRACT:
Method and apparatus for selectively raising and lowering a collapsible screen normally stored in collapsed fashion in a storage channel extending around the periphery of the upper surface of a tank supporting a gun barrel. A rigid frame is secured to the screen and is detachably connectable at one end thereof to the gun barrel. As the barrel is raised, the frame is raised at its forward end so as to raise the forward portion of the screen. Stays are then pivotably mounted on each side of the frame adjacent its mid points. Thereafter, when the barrel is depressed, the frame is pivoted about those first, auxiliary stays to thereby elevate the rear portion of the frame. An additional set of stays can now be inserted to support the rear end of the frame. Finally, the front end of the frame can again be elevated by raising the barrel with further stays supporting such front end of the frame.
REFERENCES:
patent: 2384646 (1945-09-01), Schwab
patent: 2625859 (1953-01-01), Dandini
patent: 2898810 (1959-08-01), Even
patent: 3137205 (1964-06-01), Berge et al.
patent: 3139797 (1964-07-01), Fair et al.
patent: 3160435 (1964-12-01), Smith
patent: 3765301 (1973-10-01), Pagano et al.
patent: 3848508 (1974-11-01), Bullinger
AB Bofors
Brown David H.
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