Bolt repositioning device for firearms

Details Bolt repositioning device for firearms Bolt repositioning device for firearms

1992-05-12

1994-01-18

Johnson, Stephen M.

Ordnance

Automatic

Buffers and brakes

89199, 89 4401, 89130, F41A 2512

Patent

active

052792021

ABSTRACT:
A semiautomatic firearm including a recoil spring acting on the bolt for closing the breech after the ejection of the case. The repositioning device includes an auxiliary resilient member which cooperates with the recoil spring, so that although a low-rigidity spring suitable for weak cartridges is used, the weapon works correctly even when firing powerful cartridges. The device thus allows to use a wider range of cartridges and reduces the negative effects of recoil.

REFERENCES:
patent: 447836 (1891-03-01), Maxim
patent: 580924 (1897-04-01), Browning
patent: 918447 (1909-04-01), Hepburn
patent: 1472126 (1923-10-01), Kewish
patent: 1877839 (1932-09-01), Frommer
patent: 2093169 (1937-09-01), Holek
patent: 2522192 (1950-09-01), Porter
patent: 2900877 (1959-08-01), McClenahan
patent: 3318192 (1967-05-01), Miller et al.
patent: 3366011 (1968-01-01), Sturtevant
patent: 4056038 (1977-11-01), Rath
patent: 5060555 (1991-10-01), Sater et al.

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