Protective lock cylinder mounting assembly

A lock cylinder apparatus mountable in a lock case, the lock case having first and second exterior side walls arranged in spaced-apart parallel relation, the apparatus comprising

• a first lock cylinder assembly mounted on the first exterior side wall of the lock case, the first lock cylinder assembly including a first lock body formed to include a cavity for the reception of an interchangeable lock core and a first adaptor ring around the first lock body, the first adaptor ring including an inner annular end wall engaging the first exterior side wall and being formed to include a central aperture receiving the first lock body therein and means for threadedly engaging the first lock body to fix the first lock body in the central aperture of the first adaptor ring,
• a second lock cylinder assembly mounted on the second exterior side wall of the lock case, and
• means for coupling the first lock cylinder assembly to the second lock cylinder assembly to trap the lock case therebetween so that the first and second lock cylinder assemblies are rigidly fixed to the lock case and positioned to engage and operate an internal locking mechanism contained in the lock case, the coupling means including a threaded member extending through the lock case and having a first end connected to the first adaptor ring and a second end connected to the second lock cylinder assembly, the first lock body including an exterior side wall and being formed to include a bore extending between the cavity in the first lock body and the exterior side wall to define a hidden setscrew-receiving opening in the exterior side wall, the first adaptor ring including an outer annular end wall facing away from the first exterior side wall of the lock case and surrounding the first lock body, the outer annular end wall being formed to include a radially outwardly extending channel, and the first lock cylinder assembly further including a hidden setscrew in the bore and being movable therein to engage the radially outwardly extending channel formed in the first adaptor ring and anchor the first lock body in a non-rotatable mounted position to the first adaptor ring.

A lock cylinder apparatus mountable in a mortise lock case, the mortise lock case having first and second exterior side walls arranged in spaced-apart parallel relation, the first exterior side wall being formed to include a cylinder assembly mounting hole, the apparatus comprising

• a first lock cylinder assembly mounted on the first exterior side wall of the mortise lock case, the first lock cylinder assembly including a first lock body formed to include a cavity for the reception of an interchangeable lock core and a first adaptor ring around the first lock body, the first adaptor ring including an inner annular end wall engaging the first exterior side wall and being formed to include a central aperture receiving the first lock body therein and means for threadedly engaging the first lock body to fix the first lock body in the central aperture of the first adaptor ring, the first adaptor ring being positioned on the first exterior side wall of the mortise lock case to lie around the cylinder assembly mounting hole,
• a second lock cylinder assembly mounted on the second exterior side wall of the mortise lock case, the second lock cylinder having a second lock body formed to include a cavity for the reception at an interchangeable lock core and a second adaptor ring around the second lock body, the second end of the threaded member engaging the second adaptor ring, and
• means for coupling the first lock cylinder assembly to the second lock cylinder assembly to trap the mortise lock case therebetween so that the first and second lock cylinder assemblies are rigidly fixed to the mortise lock case and positioned to engage and operate an internal locking mechanism contained in the mortise lock case, the coupling means including a threaded member extending through the mortise lock case and having a first end connected to the first adaptor ring and a second end connected to the second lock cylinder assembly, the threaded member being positioned to lie in offset radially outwardly spaced-apart relation to the perimeter of the cylinder assembly mounting hole formed in the first exterior side wall of the mortise lock case, the coupling means further including a mounting pin appended to the inner annular end wall of the first adaptor ring and arranged to extend into an unthreaded blind hole formed in the second adaptor ring.

A lock cylinder apparatus mountable in a lock case, the lock case having first and second exterior side walls arranged in spaced-apart parallel relation, the apparatus comprising

• a first lock cylinder assembly mounted on the first exterior side wall of the lock case, the first lock cylinder assembly including a first lock body formed to include a cavity for the reception of an interchangeable lock core and a first adaptor ring around the first lock body, the first adaptor ring including an inner annular end wall engaging the first exterior side wall and being formed to include a central aperture receiving the first lock body therein and means for threadedly engaging the first lock body to fix the first lock body in the central aperture of the first adaptor ring,
• a second lock cylinder assembly mounted on the second exterior side wall of the lock case, the second lock cylinder assembly including a second lock body formed to include a cavity for the reception of an interchangeable lock core and a second adaptor ring around the second lock body, and
• means for coupling the first lock cylinder assembly to the second lock cylinder assembly to trap the lock case therebetween so that the first and second lock cylinder assemblies are rigidly fixed to the lock case and positioned to engage and operate an internal locking mechanism contained in the lock case, the coupling means including a threaded member extending through the lock case and having a first end connected t the first adaptor ring and a second end connected to the second lock cylinder assembly, the second end of the threaded member engaging the second adaptor ring, the coupling means further including a mounting pin appended to the inner annular end wall of the first adaptor ring and arranged to extend into a blind hold formed in the second adaptor ring, the first exterior side wall being formed to include a notch and a border edge around the notch, and the coupling means being situated to place the mounting pin in the notch and in engagement with the border edge around the notch to block rotation of the first lock cylinder assembly about a longitudinal axis of the first lock cylinder assembly and relative to the first exterior side wall of the lock case.

A lock cylinder apparatus mountable in a mortise lock case, the mortise lock case having first and second exterior side walls arranged in spaced-apart parallel relation, the first exterior side wall being formed to include a cylinder assembly mounting hole, the apparatus comprising

• a first lock cylinder assembly mounted on the first exterior side wall of the mortise lock case, the first lock cylinder assembly including a first lock body formed to include a cavity for the reception of an interchangeable lock core and a first adaptor ring around the first lock body, the first adaptor ring including an inner annular end wall engaging the first exterior side wall and being formed to include a central aperture receiving the first lock body therein, and means for threadedly engaging the first lock body to fix the first lock body in the central aperture of the first adaptor ring, the first adaptor ring being positioned on the first exterior side wall of the mortise lock case to lie around the cylinder assembly mounting hole, the first adaptor ring further including an axially inwardly extending circular rim appended to the inner annular end wall and being configured to extend into the cylinder assembly mounting hole in close fitting relation to the first exterior side wall to center the first adaptor ring in the cylinder assembly mounting hole,
• a second lock cylinder assembly mounted on the second exterior side wall of the mortise lock case, and
• means for coupling the first lock cylinder assembly to the second lock cylinder assembly to trap the mortise lock case therebetween so that the first and second lock cylinder assemblies are rigidly fixed to the mortise lock case and positioned to engage and operate an internal locking mechanism contained in the mortise lock case, the coupling means including a threaded member extending through the mortise lock case and having a first end connected to the first adaptor ring and a second end connected to the second lock cylinder assembly, the threaded member being positioned to lie in offset radially outwardly spaced-apart relation to the perimeter of the cylinder assembly mounting hole formed in the first exterior side wall of the mortise lock case.

A lock cylinder apparatus mountable in a lock case, the lock case having first and second exterior side walls arranged in spaced-apart parallel relation, the apparatus comprising

• a first lock cylinder assembly mounted on the first exterior side wall of the lock case, the first lock cylinder assembly including a first lock body formed to include a cavity for the reception of an interchangeable lock core and a first adaptor ring around the first lock body, the first adaptor ring including an inner annular end wall engaging the first exterior side wall and being formed to include a central aperture receiving the first lock body therein and means for threadedly engaging the first lock body to fix the first lock body in the central aperture of the first adaptor ring,
• a second lock cylinder assembly mounted on the second exterior side wall of the lock case, and
• means for coupling the first lock cylinder assembly to the second lock cylinder assembly to trap the lock case therebetween so that the first and second lock cylinder assemblies are rigidly fixed to the lock case and positioned to engage and operate an internal locking mechanism contained in the lock case, the coupling means including s threaded member extending through the lock case and having a first end connected to the first adaptor ring and a second end connected to the second lock cylinder assembly, the first exterior side wall being formed to include a cylinder mounting hole and the first adaptor ring including an axially inwardly extending circular rim appended to the inner annular end wall and configured to extend into the cylinder mounting hole in close fitting relation to the first exterior side wall to center the first adaptor ring and the first lock body in the cylinder mounting hole, the first exterior side wall being also formed to include an offset notch opening into the cylinder mounting hole and the coupling means including a mounting pin appended to the inner annular end wall of the first adaptor ring and arranged to pass through the offset notch to reach and engage the second lock cylinder assembly to define a standoff in the lock case between the first and second lock cylinder assemblies.

A lock cylinder apparatus mountable in a mortise lock case, the mortise lock case having first and second exterior side walls arranged in spaced-apart parallel relation, the apparatus comprising

• a first lock cylinder assembly mounted on the first exterior side wall of the mortise lock case, the first lock cylinder assembly including a first lock body formed to include a cavity for the reception of an interchangeable lock core and a first adaptor ring around the first lock body, the first adaptor ring including an inner annular end wall engaging the first exterior side wall and being formed to include a central aperture receiving the first lock body therein and means for threadedly engaging the first lock body to fix the first lock body in the central aperture of the first adaptor ring,
• a second lock cylinder assembly mounted on the second exterior side wall or the mortise lock case, and
• means for coupling the first lock cylinder assembly to the second lock cylinder assembly to trap the mortise lock case therebetween so that the first and second lock cylinder assemblies are rigidly fixed to the mortise lock case and positioned to engage and operate an internal locking mechanism contained in the mortise lock case, the coupling means including a threaded member extending through the mortise lock case and having a first end connected to the first adaptor ring and a second end connected to the second lock cylinder assembly, the second lock cylinder assembly including a second lock body formed to include a cavity for the reception of an interchangeable lock core and a second adaptor ring around the second lock body and the second end of the threaded member terminating in the second adaptor ring, the first exterior side wall being formed to include a cylinder mounting hole, a notch lying outside the perimeter of the cylinder assembly mounting hole and opening into the cylinder assembly mounting hole, and a border edge around the notch, the coupling means further including a mounting pin appended to the inner annular end wall and arranged to lie in spaced-apart relation to the threaded member, the mounting pin being positioned to engage the border edge around the notch to block relative movement between the first adaptor ring and the first exterior side wall.

A lock cylinder apparatus mountable in a lock case, the lock case having first and second exterior side walls arranged in spaced-apart parallel relation, the apparatus comprising

• a first lock cylinder assembly mounted on the first exterior side wall of the lock case, the first lock cylinder assembly including a first lock body formed to include a cavity for the reception of an interchangeable lock core and a first adaptor ring around the first lock body, the first adaptor ring including an inner annular end wall engaging the first exterior side wall and being formed to include a central aperture receiving the first lock body therein and means for threadedly engaging the first lock body to fix the first lock body in the central aperture of the first adaptor ring,
• a second lock cylinder assembly mounted on the second exterior side wall of the lock case, and
• means for coupling the first lock cylinder assembly to the second lock cylinder assembly to trap the lock case therebetween so that the first and second lock cylinder assemblies are rigidly fixed to the lock case and positioned to engage and operate an internal locking mechanism contained in the lock case, the coupling means including a threaded member extending through the lock case and having a first end connected to the first adaptor ring and a second end connected to the second lock cylinder assembly, the second lock cylinder assembly including a second lock body formed to include a cavity for the reception of an interchangeable lock core and a second adaptor ring around the second lock body, the second end of the threaded member engaging the second adaptor ring, the second lock cylinder assembly including a threaded setscrew and the second lock body being formed to include an aperture for receiving the threaded setscrew, the lock core being formed to include a threaded aperture aligned with the aperture in the second lock body and sized to receive the threaded setscrew, the threaded setscrew and apertures being concealed when the first lock cylinder assembly is coupled to the second lock cylinder assembly.

A lock cylinder apparatus mountable in a mortise lock case, the mortise lock case having first and second exterior side walls arranged in spaced-apart parallel relation, the first exterior side wall being formed to include a cylinder assembly mounting hole, the apparatus comprising

• a first lock cylinder assembly mounted on the first exterior side wall of the mortise lock case, the first lock cylinder assembly including a first lock body formed to include a cavity for the reception of an interchangeable lock core and a first adaptor ring around the first lock body, the first adaptor ring including an inner annular end wall engaging the first exterior side wall and being formed to include a central aperture receiving the first lock body therein and means for threadedly engaging the first lock body to fix the first lock body in the central aperture of the first adaptor ring, the first adaptor ring being positioned on the first exterior side wall of the mortise lock case to lie around the cylinder assembly mounting hole,
• a second lock cylinder assembly mounted on the second exterior side wall of the mortise lock case, and
• means for coupling the first lock cylinder assembly to the second lock cylinder assembly to trap the mortise lock case therebetween so that the first and second lock cylinder assemblies are rigidly fixed to the mortise lock case and positioned to engage and operate an internal locking mechanism contained in the mortise lock case, the coupling means including a threaded member extending through the mortise lock case and having a first end connected to the first adaptor ring and a second end connected to the second lock cylinder assembly, the threaded member being positioned to lie in offset radially outwardly spaced-apart relation to the perimeter of the cylinder assembly mounting hole formed in the first exterior side wall of the mortise lock case, the first exterior side wall being formed to include a notch lying outside the perimeter of the cylinder assembly mounting hole and opening into the cylinder assembly mounting hole and a border edge around the notch, and the coupling means further including a first mounting pin positioned to lie alongside the threaded member and in engagement with the border edge around the notch to block rotation of the first lock cylinder assembly about a longitudinal axis of the first lock cylinder assembly and relative to the first exterior side wall of the mortise lock case.