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
Image forming apparatus
Fine grain voltage scaling of back biasing
Picture information coding device and coding method
Optical switching device and communications system
Suspension with flexure having laminated structure and bonding pads on opposing surfaces thereof, and head gimbal assembly and disk drive unit with the same
Plants and seeds of hybrid corn variety CH979678
Semiconductor device
  Randomly Featured Patents
Zoom lens
Device for picking up solid material within a flexible bag
Method of winding yarn on bobbin and machine therefor
Method of extending capacity of a microprocessor timer
Cross-traffic suppression in wavelength division multiplexed systems
Power-consumption calculation method and apparatus
FDDI configuration management state machine controller
Data processing apparatus
Intake air quantity measuring apparatus
Gamma voltage generator and source driver