Firearms – Firing mechanism – Rearward sliding breech bolt
Patent
1974-08-22
1976-06-29
Jordan, Charles T.
Firearms
Firing mechanism
Rearward sliding breech bolt
89145, F41C 1900
Patent
active
039656047
ABSTRACT:
A firing and trigger mechanism for increasing the accuracy of firing in which a hammer and a firing spring are held in a cocked position and in engagement with one arm of a bell crank. The other arm of the bell crank is engaged by a hammer catch that is connected with a trigger through a triggering rod resiliently urged to the hammer catch. The bell crank is resiliently urged against the hammer and the hammer catch by a spring, having one end bearing against the hammer catch. With the hammer in a cocked position, the spring urges the hammer catch against the bell crank, and as the latter are brought out of engagement, the bell crank loads the spring with an additional force that compensates for the friction forces between the bell crank and the hammer catch. These forces disappear when the bell crank and the hammer catch are disengaged. The spring allows the pressure on the trigger to be maintained substantially constant until the moment the bell crank is disengaged from the hammer catch, and after they have been disengaged.
REFERENCES:
patent: 2775837 (1957-01-01), Perry et al.
patent: 2855716 (1958-10-01), Campbell
patent: 2858741 (1958-11-01), Simpson
patent: 3264939 (1966-08-01), Reising
patent: 3662483 (1972-05-01), Seecamp
Khaidurov Efim Leontievich
Razorenov Vladimir Alexandrovich
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