Patent ID: 7146833

Claim:
A closing cylinder for closure devices comprising; a cylindrical closing housing which can be received in a fixed manner in an opening formed by a handle, closure device; a closing core being rotatably mounted in said closing housing and being axially supported at one of its ends on the edge of the closing housing by an edge projection, wherein the edge projection and the housing edge are able to limit the rotational path; and the closing core carrying a drive at its other end for a bolt or closure; said drive for a bolt or closure being held at the end of the closing core in a positive engagement so as to be exchangeable; said closing core extending radially an undercut groove in the end face of the other end; and a tongue which protects from the drive for the bolt or closure and which is positioned into the groove laterally; wherein the drive includes a circular disk and the tongue proceeds from the circular disk which contacts the end face of the closing core when the tongue is inserted into the groove and a locking device is provided between the end face and the drive for a bolt or closure and locks in when the tongue is inserted into the groove when the work position is achieved.