Resources Contact Us Home
Dual pivoting extractors

Image Number 13 for United States Patent #7469496.

Apparatus and methods to improve the functioning of a firearm includes a simplistic, condensed extractor mechanism that is easy to manufacture. Two symmetrical extractors mounted on the sides of a sliding breech block rotate around a pivot point and navigate forward to connect to the rim of a cartridge in the barrel of a firearm. Spring arrangements force the extractors upward and forward in an extraction/ejection cycle that begins with the extractor arms grabbing the rear end of a cartridge, moving rearward with the cartridge or spent case on a horizontal plane relative to the rifle barrel. The extracted case is rotated upward at an angle, then moved forward and fed into an ejection chute just above the barrel. Concurrently, another round is fed into the chamber of the barrel and the extractor arms cam down thereby engaging the rim of a new cartridge; thus completing the cycle.

  Recently Added Patents
Flash drive
System and method for infrared dongle
Reserving a time block in a calendar application to account for a travel time between geographic locations of appointments
Electrode binder composition, electrode slurry, electrode, and electrical storage device
Vacuum cleaner
Semiconductor device
Method and system of extending battery life of a wireless microphone unit
  Randomly Featured Patents
Cross-arm mechanism in a pushbutton tuner
Introducer tool for endocardial screw-in lead
Cyclone sampling nozzle for an ion mobility spectrometer
Guide bar, chain incorporating such a bar and engine equipped with such a chain
Automatic liquid flow control device
Screw gun
High strength and high thermal conductivity heat transfer apparatus
Pet feed bowl arrangement
Image or pictographic based computer login systems and methods
Hydroforming apparatus