Ordnance – Breech closures – Transverse
Patent
1993-04-09
1994-06-07
Bentley, Stephen C.
Ordnance
Breech closures
Transverse
89 2711, F41A 310
Patent
active
053179498
ABSTRACT:
A firing mechanism for a breech-loaded weapon to assure safety and provide reliability of operation. A receiver is formed from a central portion that has a receptor whereby the mechanism can be assembled to the rear end of a weapon barrel, there being a pair of yoke legs extending rearward from this central portion. Each of the yoke legs have slideways to receive a closely dimensioned breech block. The breech block is moved in a reciprocating motion, when desired, by action of a lever. A shaft attached to this lever causes operation of linkage members which, in turn, move the breech block from a fully caged position within the yoke arm slideways to a shell-loading position. During this motion a hammer assembly is moved to a cocked position and an ejector removes any spent shell from the weapon. A trigger release extension pin in the breech block is aligned with a trigger release pin in the receiver only when the breech block is fully caged in the receiver thereby preventing firing until this fully caged position is achieved. Provision is made for the disassembly of components of the mechanism without the use of tools, thereby facilitating "field stripping" of the mechanism.
REFERENCES:
patent: 458505 (1891-08-01), Skodd
patent: 459828 (1891-09-01), Maxim
patent: 466567 (1892-01-01), Koerner
patent: 512743 (1894-01-01), Parkhurst
patent: 1040001 (1912-10-01), Olsson
patent: 1707444 (1929-04-01), McCann
patent: 2802400 (1957-08-01), Edmund
patent: 2821885 (1958-02-01), Burk
patent: 3687001 (1972-08-01), Brint
patent: 5042361 (1991-08-01), Janssen et al.
Webster's II New Riverside University Dictionary, "breech", 1984, p. 200.
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