Interlocked firearm

Details Interlocked firearm Interlocked firearm

1998-04-02

2000-08-15

Johnson, Stephen M.

Ordnance

Automatic

Breech block lock

42 16, 42 25, F41A 326

Patent

active

061019194

ABSTRACT:
A sleeve made of spring plate is positioned between the mushroom head and the breechblock carrier of a locked firearm. The sleeve is supported in the expanded state between the mushroom head and the breechblock carrier and, thus, prevents their being pushed together. During closure of the breechblock, the sleeve enters a fixed cone which compresses it radially in elastic fashion so that the sleeve can be inserted into an annular space in the mushroom head and/or the breechblock carrier. The radial compression of the sleeve permits the mushroom head and the breechblock carrier to be pushed together and, thus, permits relative rotation between the mushroom head and the breechblock carrier.

REFERENCES:
patent: 3690218 (1972-09-01), Maillard
patent: 3696542 (1972-10-01), Ekfeldt et al.
patent: 4022105 (1977-05-01), White
patent: 4563937 (1986-01-01), White
patent: 4655118 (1987-04-01), Bruderer et al.
patent: 5447092 (1995-09-01), Dobbins
patent: 5458046 (1995-10-01), Blenk et al.

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