Ordnance – Automatic – Plural gun – barrel or bore
Patent
1988-03-23
1989-09-19
Bentley, Stephen C.
Ordnance
Automatic
Plural gun, barrel or bore
42 18, 89 141, 89 331, 89145, 89146, 89148, F41D 1102, F41D 1032
Patent
active
048670391
ABSTRACT:
A semiautomatic gun which can be used to fire two types of ammunition comprises first and second bolts and a selector assembly operated by a user of the gun. The selector assembly selectively permits loading and firing of one type of ammunition. The gun has only a single trigger for firing either of the bolts selected by the selector assembly and the gun may be a combination of a shotgun and rifle or any other desired configuration. Each of the bolts are movable in a forward and rearward direction when fired and have bolt lock-up bearings for preventing such movement at other times. A reciprocable forestock is provided with a forestock lock release. The forestock can be pumped by the operator to initially load a round of ammunition into the chamber selected by the selector assembly. A bolt selector block is also provided which is connected to the forestock and which catches a bolt lug of a bolt selected by the selector assembly whereby the selected bolt may be engaged by the block and moved rearwardly to permit insertion of ammunition. A gas tube is also operatively connected to the bolt selector block to move the block rearwardly whereby loading of ammunition may automatically be carried out after a first round is fired. Additionally, a feeder is provided for supplying ammunition to a position adjacent either of the chambers.
REFERENCES:
patent: 303262 (1884-08-01), Burgess
patent: 993175 (1911-05-01), Knotgen
patent: 1202707 (1916-10-01), Grieco
patent: 1290849 (1919-01-01), Sturgeon
patent: 2041015 (1936-05-01), Onorati
patent: 2410848 (1946-11-01), Waltke
patent: 2908987 (1959-10-01), Allyn
patent: 2935915 (1960-10-01), Janson
patent: 3442173 (1969-05-01), Muller
patent: 4003292 (1977-01-01), Christakos
Bentley Stephen C.
Special Service Arms Mfg. Inc.
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