Straight-action breech block system

Details Straight-action breech block system Straight-action breech block system

1989-10-18

1991-01-08

Bentley, Stephen C.

Ordnance

Firing devices

Electric

89 26, 89185, F41A 1961

Patent

active

049826492

ABSTRACT:
A tubular automatic weapon includes a barrel having a rear terminal portion defining a chamber, and a breech block having a breech block axis and being arranged for movement in axial alignment with the barrel. The breech has a block housing, a rotary head; an iron core secured within the head; a permanent magnet situated within the head and being movable relative to the iron core in inductive relationship therewith; an energy accumulator for storing the kinetic energy derived from the motion of the housing towards a rearward position; and a coupling arrangement for connecting the energy accumulator with the permanent magnet to cause the permanent magnet to be propelled forwardly relative to the iron core by the energy released by the energy accumulator, thereby generating a magnetic field for inducing an igniting current in a cartridge situated in the chamber.

REFERENCES:
patent: 2957391 (1960-10-01), Lovercheck
patent: 3580113 (1971-05-01), Ramsay
patent: 3969983 (1976-07-01), Zellweger et al.

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