Choke assembly for a shotgun

Details Choke assembly for a shotgun Choke assembly for a shotgun

1993-03-11

1994-06-07

Brown, David H.

Firearms

Barrels

Choke devices

89 143, F41H 2140

Patent

active

053178254

ABSTRACT:
A choke assembly (10) is attachable to the muzzle end of a shotgun barrel (G) to produce a tightened shot pattern when the shotgun is fired. A shotgun shell includes shot (S) and a wading (W). The wading is spun through the barrel by discharge gases created when the shell is fired, and this spinning motion tends to increase the size of the shot pattern. The choke comprises an elongate hollow tube (12) having an inner end (14) receivable in the muzzle end (M) of the barrel. An inner diameter (D1) of the tube corresponds to that of the barrel at its muzzle end. An outer end (24) of the tube extends beyond the muzzle. The inner diameter of the tube decreases from the inner to the outer end of the tube to effect a choke. The outer end of the tube also has a plurality of longitudinally extending slots (28) formed therein, these being spaced circumferentially about the tube. Discharge gases propelling the wading through the barrel tends to force the wading radially outwardly through the slots. This slows the wading and stops its spinning which, in turn, increases the tightness of the shot pattern. Further, a portion of the discharge gases are also expelled radially outwardly through the slots which reduces the recoil of the shotgun.

REFERENCES:
patent: Re20958 (1938-12-01), White
patent: 847911 (1907-03-01), Cory
patent: 1598360 (1926-08-01), Pavek
patent: 2567826 (1951-09-01), Prache
patent: 3492750 (1970-02-01), Ashbrook et al.
patent: 5157211 (1992-10-01), Mossberg

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