Automatic choke shot gun

Details Automatic choke shot gun Automatic choke shot gun

1986-06-16

1987-12-22

Brown, David H.

Firearms

Barrels

Choke devices

F41C 2100

Patent

active

047139048

ABSTRACT:
An automatic shotgun choke is provided which is attached to the muzzle of a shotgun barrel and can be adjusted manually by a device mounted within and extending from upper portion of the choke so as to selectively produce a choked and unchoked muzzle. In a modification gas pressure from a fired shell turns fan blades within the choke to operate a choking action upon a charge as it leaves the muzzle.

REFERENCES:
patent: 2453747 (1948-11-01), Egleson
patent: 2663961 (1953-12-01), White
patent: 2765564 (1956-10-01), Schroeder
patent: 2807903 (1957-10-01), Wheeler
patent: 2869272 (1959-01-01), Coyle
patent: 2883782 (1959-04-01), Schroeder
patent: 2989815 (1961-06-01), Hare
patent: 3797155 (1974-03-01), Smith et al.
patent: 3831306 (1974-08-01), Gregg

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