Wedge-type breechblock

Details Wedge-type breechblock Wedge-type breechblock

2007-02-20

2007-02-20

Clement, Michelle (Department: 3641)

Ordnance

Explosion opened breech

Transverse sliding breech block

C089S004050, C089S156000, C089S022000

Reexamination Certificate

active

10824620

ABSTRACT:
A wedge-type breechblock is provided for a weapon having a barrel that recoils relative to a cradle, the barrel having a bore with an axis, and a breech plate. The breechblock includes a closing wedge for arranging in the breech plate such that the closing wedge can be displaced transverse to the axis of the bore. A pin-type carrier, through a control lever and a breech mechanism shaft, activates the closing wedge. An ascending curved track is located on a guiding device, and guides the pin-type carrier during a counter-recoil motion of the barrel from an intake region to a highest point, so that the control lever is pivoted during the counter-recoil motion of the barrel and the breech mechanism shaft is turned to move the closing wedge to an opened position.

REFERENCES:
patent: 798882 (1905-09-01), Dearborn
patent: 1003288 (1911-09-01), Muller
patent: 1387460 (1921-08-01), Beets
patent: 2365459 (1944-12-01), Dobremysl
patent: 3866513 (1975-02-01), Hornfeck et al.
patent: 4357857 (1982-11-01), Magnuson
patent: 4791851 (1988-12-01), Stoner
patent: 5659992 (1997-08-01), Mistretta

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