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

Image Number 2 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
Video surveillance system employing video primitives
Inspection systems and methods for detecting defects on extreme ultraviolet mask blanks
Non-phosphorus-based gellant for hydrocarbon fluids
Method, apparatus and article for detection of transponder tagged objects, for example during surgery
Blur correction device and imaging apparatus
Compact multi-functional scanning apparatus with retractable flatbed scanner
Triple-action pest control formulation and method
  Randomly Featured Patents
Tape position data indicating apparatus for cassette tape player
Antiperspirant compositions and methods for preparing antiperspirant compositions
Estimation of skew angle in text image
Methods, circuits, and computer program products for variable bus arbitration
Photographic apparatus for making simultaneous exposures
Preparation of .alpha.-cyanobenzyl esters
Vehicle/implement coupling condition monitoring system
Imaging device and imaging system
Apparatus for winding or unwinding webs, particularly paper webs
Cosmetic compositions containing dihydroxyacetone and methods of stabilizing the same