Firearm bolt locking mechanism

Details Firearm bolt locking mechanism Firearm bolt locking mechanism

2007-08-28

2007-08-28

Carone, Michael J. (Department: 3641)

Ordnance

Automatic

Firing device operation or control

C089S138000, C089S191010, C042S016000

Reexamination Certificate

active

11415080

ABSTRACT:
A firearm bolt locking mechanism includes a locking pin in the bolt carrier of a firearm like an AK-47 assault rifle or variant thereof. The locking pin is normally urged from the bolt carrier by a compressed spring. The mechanism also includes a pivot arm mounted on the receiver cover of the firearm. The pivot arm has a spring-biased finger that normally fills a hole in the receiver cover. The mechanism further includes a magazine that stops the bolt of the firearm when the last cartridge from the magazine is fired and permits the spring to drive the locking pin into the hole. After replacing the empty magazine with a full one, the pivot arm is pressed to replace the locking pin in the hole with the finger and to release the bolt carrier to chamber a cartridge.

REFERENCES:
patent: 1980874 (1934-11-01), Nickl
patent: 4445292 (1984-05-01), Martin
patent: 5473834 (1995-12-01), Bammate
patent: 5588241 (1996-12-01), Hurley
patent: 6606811 (2003-08-01), Olson
patent: 6851346 (2005-02-01), Herring
patent: 2003/0066226 (2003-04-01), Martin
patent: 2005/0000138 (2005-01-01), Kiss
patent: 2005/0011345 (2005-01-01), Herring
patent: 2005/0011346 (2005-01-01), Wolff et al.

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