Resources Contact Us Home
Rotating pin tumbler side bar lock with side bar control

Image Number 5 for United States Patent #6477875.

A twisting tumbler lock with a side bar is provided with additional levels of security by a axially reciprocable slider which is normally positioned to block operation of the side bar but is moved by a specially configured key to free operation of the side bar. This provides a third level of locking security, it also allows master keying. The unique key has a portion of a rib formed to cooperate with the slider to further allow key control.

  Recently Added Patents
Dithering method and apparatus
Surface acoustic wave resonator for down-hole applications
Polycarbonate resin composition and formed product thereof
Morphinan compounds
High throughput thin film characterization and defect detection
Method and system for distributing ringback files
Projection-type video-image display apparatus
  Randomly Featured Patents
Rotary vane compressor with reduced pressure on the inner vane tips
Slip ring positive Z force liquid isolation fixture permitting zero net force on workpiece
Voice over IP method of determining caller identification
Reducing corrosion in reactors used for the synthesis of chromium dioxide
Modified polyorganosiloxanes, aqueous emulsions thereof, their production and their use
LED power package
Piston ring
Moldable warp knitted fabric and method of forming a seamless molded fabric portion therefrom
Sludge treatment method