Matches 1 - 5 out of 5


Match Document Document Title
US20130192320 LOCK SYSTEM  
A lock system is disclosed. The lock system includes a lock and one or more keys. The lock includes a plurality of tumblers configured for interaction with associated key features. A tumbler...
US20120060571 Dual Key Bi-Step Lock  
A dual key bi-step lock having a shell and a cylindrical plug in the shell. The plug has a primary keyway and a secondary keyway and at least one set of primary pin stack and at least one set of...
US20120186310 LOCK SYSTEM FOR VEHICLES AND THE LIKE  
A lock system is provided having a lock housing and a lock barrel, a keeper shoulder, at least one full positioner shoulder, and a positioner shoulder. A lock plug is received in the barrel for...
US20100288002 LOCK APPARATUS  
A lock apparatus includes an unlocker. The unlocker unlocks when a coincidence condition is satisfied between: one or at least two registration keys including a master key; and an input key. An...
US20100206025 MASTER KEY LOCK, SYSTEM AND METHOD  
A master key lock includes a lock cylinder having a keyway for receiving a key, a sleeve about the cylinder, a plurality of wafer tumblers, a master key and means for axially moving the sleeve...
Matches 1 - 5 out of 5