Process and system to brake the movement of a part cocked by a s

Details Process and system to brake the movement of a part cocked by a s Process and system to brake the movement of a part cocked by a s

1995-06-14

1997-08-05

Eldred, J. Woodrow

Firearms

Firing mechanism

Rearward sliding breech bolt

8912901, 89131, F41A 300

Patent

active

056530510

ABSTRACT:
A process to brake a part of a mechanism includes applying a first torque, applying a second torque and braking the part. The mechanism is urged to alternatingly swivel along a path in a first direction from a first position to a second position by a spring connected to the part. The first torque is applied to the part with the spring to swivel the part in a first direction from the first position to the second position. The first torque is defined by a strain-release force of the spring in a tensed position. The second torque is applied to the part with the spring in a second direction opposite the first direction. The second torque is less than the first torque and is defined by the strain-release force of the spring. The part is braked along at least a part of the path. As a result, the motion of the part can be slowed simply and inexpensively.

REFERENCES:
patent: 2459158 (1949-01-01), Garand
patent: 2622359 (1952-12-01), Belleri
patent: 2791942 (1957-05-01), Fletcher
patent: 3015993 (1962-01-01), Franchi
patent: 3301133 (1967-01-01), Sturtevant
patent: 3724325 (1973-04-01), Silsby
patent: 4523509 (1985-06-01), Thevis et al.
patent: 5280683 (1994-01-01), Ping

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