Rim Dead Locks are designed to be fitted on the facia door rather than within like a mortice lock and to throw a bolt to lock the door by using a key.
Rim Latches
Rim Latches
Rim Latches, these are not locks in there own sense, but latch devices to hold the door closed. These latches fit the to the facia of the door rather than mortised into the door.
Rim Sash Locks
Rim Sash Locks
Rim Sash Locks are installed on the facia of the door rather than within like a mortice lock, the sash locks latch would be included within the lock case and these types of locks normally work with Handles that have key holes as well. The latch is designed to hold the door into the frame and the dead lock to throw the bolt into the keep to secure the door into place.