Weapon bolt

Details Weapon bolt Weapon bolt

1997-01-08

1998-03-03

Johnson, Stephen M.

Firearms

Firing mechanism

Rearward sliding breech bolt

89188, F41A 1927

Patent

active

057221944

ABSTRACT:
A weapon bolt has a bolt head which accommodates an axially slidable firing pin and which is rotatable and displaceable parallel to the barrel axis. A bolt handle is pivotally supported on an axle carried in a radial orientation by a control sleeve which is slidable in a chamber sleeve. The bolt handle is, in a form-fitting manner, coupled to a disengagement lever supportable on the chamber sleeve and upon its actuation, causes an axial motion of the axle. The control sleeve receives an axially slidable intermediate piece which surrounds the axle and is operatively coupled at its frontal side with the firing pin and at its rearward side with a striker which arms a firing spring. In the armed state of the firing spring the striker may be locked to the chamber sleeve, via a locking arrangement, by an arming member actuated by the disengagement lever. The bolt head carries control pins which project into control cam tracks provided in the control sleeve to cause rotary motions of the bolt head during operation of the bolt handle for locking the bolt head to and releasing it from a locking member in the breech region of the weapon barrel. The control sleeve, the intermediate piece, the striker, the arming member and the locking arrangement are together axially movable by the bolt handle.

REFERENCES:
patent: 2503309 (1950-04-01), Weiss
patent: 2776600 (1957-01-01), Lee
patent: 3738219 (1973-06-01), Febres

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