Firearm with an improved breech bolt assembly

Details Firearm with an improved breech bolt assembly Firearm with an improved breech bolt assembly

2008-10-03

2010-12-14

Chambers, Troy (Department: 3641)

Ordnance

Charging mechanisms for guns

C089S164000, C089S169000, C089S181000, C089S022000, C089S023000, C089S024000, C042S016000

Reexamination Certificate

active

07849777

ABSTRACT:
A firearm with an improved breech bolt assembly comprises a barrel (12), a breech bolt assembly (18, 21), a body (14) equipped on opposite sides with ports (15) for the ejection of a cartridge case, in addition to a magazine (17), wherein the breech bolt assembly, which is moveable with respect to the body (14) comprises a breech bolt-holder slide (21), a breech bolt (18) equipped with a rotating locking head (25), cam guide rails (26, 27) of the relative movement between the breech bolt (18) and slide (21), and also stopping means (28, 29) of the relative movement comprising a control pin (28) which can be moved vertically with respect to a first control seat (29), charged by a recoil spring (30) applied between the slide (21) and the pin (28), said pin (28) having a cocking handle (23), or reloading lever, rotatingly applied thereto, for the manual moving of the breech bolt assembly (10).

REFERENCES:
patent: 3225653 (1965-12-01), Packard
patent: 3969983 (1976-07-01), Zellweger et al.
patent: 4052926 (1977-10-01), Tollinger
patent: 4191089 (1980-03-01), Zedrosser
patent: 4655118 (1987-04-01), Bruderer et al.
patent: 5920028 (1999-07-01), Guhring et al.
patent: 7444775 (2008-11-01), Schuetz
patent: 7707921 (2010-05-01), Hoel
patent: 7721639 (2010-05-01), Wossner
patent: 2005/0223613 (2005-10-01), Bender
patent: 2007/0006720 (2007-01-01), Liao

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