Patent ID: 6450080
Filing Date: 2002-09-17
Classification: F41A

Abstract:
An ordnance firing mechanism for striking a detonator, comprising a strike pin (2) mounted for translation relative to a support (1), the strike pin (2) being translatable by actuation means (4, 9, 11, 12, 18) for sequentially:moving the strike pin from a rest position to an armed position wherein a strike-pin propelling device is armed; moving the strike pin from an armed position into a firing position wherein it is forced by the propelling device against a detonator and returning the strike pin to its rest position and retaining it there; the actuation means comprising: a lever (4) connected to the strike pin (2) and pivotable relative to the support (1); a pivotable pawl (9) for releasing the lever (4), a propelling device (11, 18) affixed to support (1) for driving the lever; and drive means (12) for acting on the pawl (9) and through the pawl for rotating the lever (4), arming the strike pin (2), and then releasing the lever (4); said propelling device comprising a movable rod (12) translatable relative to said support (1), said movable rod having recesses (15, 16) therein that cooperate with the pawl (9) and having a heel (17) that cooperates with the lever (4), wherein said recesses comprise a first recess (15) having a cylindrical contour for rotating the pawl (9) and a second recess (16) adjacent said first recess, the second recess having a depth corresponding to a strike depth of the strike pin and for receiving the pawl (9) for rotating the lever (4) about its shaft (6).