Single and double cylinder deadlocks

Claim 2

A deadlock having a latching bolt and a lock cylinder, keyoperated mechanism connected between said cylinder and said bolt and operable when turned to move said bolt between latched and unlatched positions, the improvement in said deadlock comprising, a metal escutcheon having an inner side adapted to lie adjacent one face of a door and having a decorative outer side, a metal barrel projecting inwardly from the inner side of said escutcheon and adapted to telescope into an opening extending through the door, a hole extending through said barrel and sized to receive said cylinder, and a fastener for securing said cylinder to said barrel to anchor the cylinder within said hole, said fastener extending between said cylinder and said barrel and securing said cylinder to said barrel independently of the door, the inner end portion of said barrel being formed with first and second axially facing walls spaced angularly and axially from one another, apertures opening out of each of said walls, said fastener being threaded into the aperture in one of said walls and having a portion bearing against such wall and said cylinder to anchor the latter within said hole, said fastener being selectively threadable into the other aperture to anchor a cylinder of different length within said hole.

Claim 3

A deadlock as defined in claim 1 including at least one elongated post cast integrally with said barrel and projecting inwardly from the inner end thereof, and an axially extending threaded hole formed in said post and adapted to receive a threaded fastener for securing said barrel and said escutcheon to the door.

Claim 4

A deadlock as defined in claim 2 further including an additional elongated post cast integrally with said barrel and projecting inwardly from the inner end thereof, said additional post being spaced angularly from said one post, and an axially extending threaded hole formed in said additional post and adapted to receive an additional threaded fastener for securing said barrel and said escutcheon to the door.

Claim 5

A deadlock as defined in claim 1 further including an elongated guard finger cast integrally with and projecting inwardly from said barrel, said guard finger extending toward the inboard end portion of said bolt and shielding said key-operated mechanism to prevent a sharp instrument inserted through the door from turning said mechanism and moving said bolt to said unlatched position.

Claim 6

A deadlock as defined in claim 4 further including a second metal escutcheon adapted to lie adjacent the opposite face of the door, a manually turnable member journaled in said second escutcheon and operably connected to said key-operated mechanism whereby said bolt may be moved between said latched and unlatched positions by turning said member, a second elongated guard finger cast integrally with the inner side of said second escutcheon and projecting inwardly therefrom, said second guard finger extending toward the inboard end portion of said bolt in angularly disposed relation with said first guard finger and located side-to-side with said first guard finger to assist the latter in shielding said key-operated mechanism.

Claim 7

A deadlock as defined in claim 4 further including a second metal escutcheon having an inner side adapted to lie adjacent the opposite face of the door and having a decorative outer side, a second metal barrel projecting inwardly from the inner side of said second escutcheon and adapted to telescope into the opening in the door, a hole extending through said second barrel, a second lock cylinder secured within said hole in said second barrel, said second cylinder being connected to said key-operated mechanism and being operable to turn said mechanism and move the bolt between its latched and unlatched positions, a second elongated guard finger cast integrally with and projecting inwardly from said second barrel, said second guard finger extending toward the inboard end portion of said bolt in angularly disposed relation with said first guard finger and located side-by-side with said first guard finger, said guard fingers coacting with one another to shield said key-operated mechanism so as to prevent a sharp instrument inserted through the door from turning said mechanism and moving said bolt to said unlatched position.

Claim 8

A deadlock as defined in claim 2 further including a second metal escutcheon having an inner side adapted to lie adjacent the opposite face of the door and having a decorative outer side, a second metal barrel projecting inwardly from the inner side of said second escutcheon and adapted to telescope into the opening in the door, a hole extending through said second barrel, a second lock cylinder secured within said hole in said second barrel, said second cylinder being connected to said key-operated mechanism and being operable to turn said mechanism and move the bolt between its latched and unlatched positions, a second elongated post cast integrally with said second barrel and projecting inwardly therefrom, said second post being spaced angularly from said first post and being formed with an axially extending threaded hole for receiving a second threaded fastener, and first and second holes formed in said first and second escutcheons, respectively, and alined with the threaded holes in said second and first posts, respectively, for receiving said threaded fasteners.

Claim 9

A deadlock having a latching bolt and first and second lock cylinders, key-operated mechanism connected between said cylinders and said bolt and operable when turned to move said bolt between latched and unlatched positions, the improvement in said deadlock comprising, first and second metal escutcheons each having a decorative outer side, said first and second escutcheons having inner sides adapted to lie adjacent first and second faces, respectively, of the door, a metal barrel projecting inwardly from the inner side of each escutcheon and adapted to telescope into an opening extending through the door, a hole extending through each barrel and sized to receive the respective cylinder, and a fastener for securing each cylinder to its respective barrel to anchor the cylinder within the respective hole, each fastener extending between its cylinder and its barrel and securing the cylinder to the respective barrel independently of the door, the inner end portion of each barrel being formed with first and second axially facing walls spaced angularly and axially from one another, apertures opening out of each of said walls, each fastener being threaded into the aperture of one of the walls of the associated barrel and having a portion bearing against such wall and the associated cylinder to anchor the latter within the respective hole, each fastener being selectively threadable into the other aperture of the respective barrel to anchor a cylinder of different length within the respective hole.

Claim 10

A deadlock having a latching bolt and first and second lock cylinders, key-operated mechanism connected between said cylinders and said bolt and operable when turned to move said bolt between latched and unlatched positions, the improvement in said deadlock comprising, first and second metal escutcheons each having a decorative outer side, said first and second escutcheons having inner sides adapted to lie adjacent first and second faces, respectively, of the door, a metal barrel projecting inwardly from the inner side of each escutcheon and adapted to telescope into an opening extending through the door, a hole extending through each barrel and sized to receive the respective cylinder, and a fastener for securing each cylinder to its respective barrel to anchor the cylinder within the respective hole, each fastener extending between its cylinder and its barrel and securing the cylinder to the respective barrel independently of the door, the inner end portion of each barrel being formed with first and second axially facing walls spaced angularly and axially from one another, apertures opening out of each of said walls, each fastener being threaded into the aperture of one of the walls of the associated barrel and having a portion bearing against such wall and the associated cylinder to anchor the latter within the respective hole, each fastener being selectively threadable into the other aperture of the respective barrel to anchor a cylinder of different length within the respective hole.

Claim 11

A deadlock as defined in claim 8 further including first and second elongated posts cast integrally with and projecting inwardly from said first and second barrels, respectively, said posts being spaced angularly from one another and having their free inner ends spaced axially from one another, the free inner end of each post being located adjacent the inner end of the opposite barrel, axially extending threaded apertures formed in said posts, first and second holes extending through said first and second escutcheons, respectively, and alined with the threaded apertures in said second and first posts, respectively, and first and second threaded fasteners extending through said first and second holes and threaded into said second and first apertures, respectively, to anchor said escutcheons to said door.

Claim 12

A deadlock as defined in claim 9 further including first and second elongated guard fingers cast integrally with and projecting inwardly from said first and second barrels, respectively, said guard fingers being spaced angularly from one another and having their free inner ends spaced axially from one another, the free inner end portion of each guard finger overlapping the inner end portion of the opposite barrel, said guard fingers being disposed side-by-side and shielding said key-operated mechanism to prevent a sharp instrument inserted through the door from turning said mechanism and moving said bolt to said unlatched position.