Mechanism providing positive safety with bolt locked

Ordnance – Automatic – Firing device operation or control

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Details

89168, 89176, 89190, F41C 500, F41D 300

Patent

active

045164665

ABSTRACT:
A gun mechanism for guns embodying safety mechanism. The mechansim includes a trigger, a sear, and a hammer in operative relationship. A disconnector member is carried by the trigger and is operative to disconnect the sear from the hammer for firing. An extending member extends from the bolt carrier to a position over the trigger mechanism. A link member is positioned between the extending member and the disconnector member and is operative to hold the disconnector member in an inactive position, that is, a safe position at all times unless the said extending member is in a fully forward closed and locked position of the bolt. A bolt carrier has a limited sliding relationship with the bolt which includes a bolt locking member. The carrier undergoes an initial movement before the bolt moves which operates the link member to the safe position, after which the bolt is unlocked for movement. Positive safety is provided in that the disconnector member is held inactive unless the bolt is fully closed and locked.

REFERENCES:
patent: 768665 (1904-08-01), Johnson
patent: 1115979 (1914-11-01), Sillix
patent: 1572450 (1926-02-01), Swebilius
patent: 2418946 (1947-04-01), Loomis
patent: 2499090 (1950-02-01), Browning
patent: 3577827 (1971-05-01), Billett
patent: 3866344 (1975-02-01), Kawamura
patent: 4017996 (1977-04-01), Liedke
patent: 4185537 (1980-01-01), Hayashi

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