Patent ID: 6714118
Filing Date: 2004-03-30
Classification: E05B,Y10T

Abstract:
A modular door security system for controlling access through a door, the modular door security system comprising:a housing supported on said door, said housing defining a recess and having a lockset, said lockset being operable to secure said door in a closed position; a handle rotatably supported by said housing; a clutch mechanism arranged between said handle and said lockset, said clutch mechanism being moveable between an engaged position, in which said clutch mechanism mechanically couples said handle and said lockset, and a non-engaged position; an override device moveable between a first position, in which said override device is spaced a distance from said clutch mechanism, and a second position, in which said override device biases said clutch mechanism toward said engaged position; and a key cylinder selectively insertable in said recess in said housing to bias said override device toward said first position, said override device being moveable toward said second position when said key cylinder is removed from said recess.