Ammunition indexing mechanism

Details Ammunition indexing mechanism Ammunition indexing mechanism

1993-06-29

1995-01-24

Bentley, Stephen C.

Ordnance

Cartridge feeding

Selective feed

89 3325, 89137, 89169, 89170, F41A 930, F41A 937

Patent

active

053833899

ABSTRACT:
An ammunition indexing mechanism for moving, responsive to actuation of a trigger mechanism, a cartridge from a selected one of a pair of opposed feedports in a weapon receiver and into alignment with a firing chamber of a barrel assembly of the weapon, has a rotary mechanism for moving through a selected index angle each ammunition cartridge entering through the selected feedport; and a torque assembly for storing energy, responsive to a selected movement of the barrel assembly, until released to operate the rotary mechanism to move, for each selected barrel assembly movement, each sequential cartridge through similar angular displacement to a position aligned with the firing chamber.

REFERENCES:
patent: 3417657 (1968-12-01), Maillard et al.
patent: 4069740 (1978-01-01), Hottinger et al.

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