Patent ID: 8454061

Claim:
A latch system comprising: a latch bolt; a pawl for releasably retaining the latch bolt in a closed position; a first release member; a first transmission path connecting the first release member to the pawl; a second release member; a second transmission path connecting the second release member to the pawl, wherein a portion of the first transmission path and a portion of the second transmission path have a common portion, the common portion including a lock link having a first position at which the lock link completes the first transmission path and the second transmission path such that operation of either the first release member or the second release member opens a latch, and the lock link having a second position at which the lock link breaks the first transmission path and the second transmission path such that a single operation of either the first release member or the second release member does not open the latch; a first device capable of holding the lock link in the second position; a second device capable of holding the lock link in the second position; and a third device capable of holding the lock link in the second position, wherein the single operation of the first release member moves the lock link into the first position without opening the latch such that a second operation of the first release member after the single operation of the first release member opens the latch.