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
Semiconductor device having germanium active layer with underlying parasitic leakage barrier layer
X2 10GBASE-T transceiver with 1 Gigabit side-band support
Printing apparatus and method of operation of a printing apparatus
High damage threshold frequency conversion system
System and method for managing self-refresh in a multi-rank memory
Mobile terminal and method for displaying information
External preparation composition for skin comprising ginseng flower or ginseng seed extracts
  Randomly Featured Patents
Pressure Activated reserve battery
Autonomic self-tuning of database management system in dynamic logical partitioning environment
Light beam detector for door openers using fiber optics
Apparatus for producing water seal in protective tube of the submersed pump of gas cistern
Shower curtain hole reinforcement ring
Packaging apparatus for roll product and package of roll product
Steel bonded dense silicon nitride compositions and method for their fabrication
Keyboard and display panel for an intrusion detection system
Antenna device operable in multiple frequency bands