Multi-stage match trigger assembly for use with semi-automatic w

Details Multi-stage match trigger assembly for use with semi-automatic w Multi-stage match trigger assembly for use with semi-automatic w

1994-09-01

1996-03-26

Bentley, Stephen C.

Ordnance

Automatic

Firing device operation or control

42 6903, F41A 1916

Patent

active

055011349

ABSTRACT:
A multi-stage trigger assembly for use by a shooter of a firearm. Specifically an AR-15 or M-16 although other types of firearms could be used. The invention comprises a trigger, a disconnector, disconnector spring, and a hammer. The trigger and the hammer each include a respective engagement means for engaging each other so that the hammer is held in a cocked position by the trigger before the trigger is pulled. The hammer further includes a contact means for contacting the disconnector so that when the trigger is first pulled (the first stage) the contact means contacts the disconnector at a predetermined time and increases the pressure required to pull the trigger completely and disengage the engagement means of the hammer and the trigger (the second stage). Additionally, the disconnector is spring loaded by the disconnector spring and pivotally connected to the trigger. This is so that the disconnector may interact with the hammer, which further includes a contact means for contacting the disconnector so that when the trigger is first pulled (the first stage) the contact means perceptibly contacts a cam like surface on the disconnector at a predetermined time where minimal engagement between the engagement means of the hammer and trigger is reached. The disconnector spring increases the pressure required to pull the trigger completely and disengage the engagement means of the hammer and the trigger (the second stage). This stop, or noticeable contact indicates to the shooter that the limited minimal engagement of the second stage has been reached.

REFERENCES:
patent: 2366823 (1945-01-01), Williams
patent: 2399253 (1946-04-01), Reilly
patent: 2590862 (1952-04-01), Hoppert
patent: 4937964 (1990-07-01), Crandall
patent: 5012604 (1991-05-01), Rogers
Smith, W. H. B, "Small Arms of the World", 1948 pp. 317-318.
Smith et al, "The Book of Rifles", 1948, pp. 464-466.
Smith et al, "Chamber", The Book of Rifles, 1948, p. 594.

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