Patent ID: 7103999
Filing Date: 2006-09-12
Classification: F41A

Abstract:
1. An attachment for converting a semi-automatic firearm into rapid fire comprising a base for attachment to the firearm, a shaft carried by the base, a crank having a handle for rotating the shaft, a cam, including at least two cam lobes separated by a depression, mounted for rotation independently of the shaft for a limited arc and driven by the shaft upon rotation of the crank, and a spring operating between the cam and the shaft for rotating the cam, a follower for abutting the cam lobes, and a linkage driven by the follower to actuate a trigger of the firearm when the cam lobes move the follower, the cam being moved by the spring upon release of the crank handle so the follower is disposed in the depression between the cam lobes upon release of the crank handle.