# US 11,111,718 B2 · Peep hole security system and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,111,718 B2 - Document ID: US11111718B2 - Status: Granted - Kind: B2 - Application number: 15/472,817 - Filed: 2017-03-29 - Published: 2017-10-05 - Granted: 2021-09-07 - Earliest claimed: 2016-03-29 - Applicants: Garret M Warr - Inventors: Garret M Warr - Web page: https://patentgrep.com/patent/US11111718B2 ## CPC - E06B 7/30: Peep-holes; Devices for speaking through; Doors having windows - E06B 7/00: Special arrangements or measures in connection with doors or windows ({arrangements against burglary at the edges of the wings E06B5/113} ; screening or similar protective devices E06B9/00) - E06B: FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES (shades or blinds for greenhouses A01G9/22; curtains A47H; lids for car boots or bonnets B62D25/10; skylights E04B7/18; sunshades, awnings E04F10/00) ## Abstract Peep hole security systems and methods are provided including a threaded optical shaft having a bezel with a security pin extending from an interior surface of the bezel and a threaded interlocking cylinder including an interior flange. An optical shaft hole in a door receives the threaded optical shaft and a security pin hole in the door receives the security pin. The threaded optical shaft is then engaged with the threaded interlocking cylinder until the interior surface of the bezel contact the exterior surface of the door and the interior flange of the threaded interlocking cylinder contacts the interior surface of the door. Attempts to rotate the threaded optical shaft are prevented by the engagement of the security pin with the door. ## Claims ### Claim 1 A peep hole security system including: a threaded optical shaft including a cylindrical central shaft having an exterior thread and a bezel having an optical element, wherein a security pin extends from an interior bezel surface of said bezel in the direction of said cylindrical central shaft; and a threaded interlocking cylinder including an interior thread and an interior flange having an interior flange surface, wherein said cylindrical central shaft is introduced into an optical shaft hole that has been formed in a door, wherein said security pin is introduced into a security pin hole that has been formed in said door, wherein said security pin hole has a security pin hole interior surface, wherein said interior thread of said threaded interlocking cylinder is threaded into said exterior thread of said threaded optical shaft to bring said interior bezel surface into position proximal to an outer surface of said door and said interior flange into position proximal to an inner surface of said door, wherein attempts to rotate said threaded optical shaft cause said security pin to contact said security pin hole interior surface thus preventing rotation of said threaded optical shaft. ### Claim 2 (depends on 1) The system of claim 1 wherein the interior of said cylindrical central shaft describes an optical pathway from said optical element to a threaded optical shaft optical pathway exit aperture. ### Claim 3 (depends on 1) The system of claim 1 wherein the interior of said threaded interlocking cylinder describes an optical pathway from said a threaded interlocking cylinder optical pathway entrance aperture to said interior flange. ### Claim 4 (depends on 1) The system of claim 1 wherein said security pin is circular in cross section. ### Claim 5 (depends on 1) The system of claim 1 wherein said security pin is square in cross section. ### Claim 6 (depends on 1) The system of claim 1 wherein at least one of said interior bezel surface is in contact with said outer surface of said door and said interior flange is in contact with said inner surface of said door. ### Claim 7 (depends on 1) The system of claim 1 wherein at least one of said interior bezel surface abuts said outer surface of said door and said interior flange is abuts said inner surface of said door. ### Claim 8 A peep hole security method including: introducing a cylindrical central shaft of a threaded optical shaft into an optical shaft hole that has been formed in a door, wherein said cylindrical central shaft has an exterior thread, wherein said threaded optical shaft includes a bezel having an optical element, wherein a security pin extends from an interior bezel surface of said bezel in the direction of said cylindrical central shaft; introducing said security pin into a security pin hole that has been formed in said door and includes a security pin hole interior surface; threading said exterior thread into an interior thread of a threaded interlocking cylinder, wherein said threaded interlocking cylinder includes an interior flange having an interior flange surface; and continuing said threading to bring said interior bezel surface into position proximal to an outer surface of said door and said interior flange into position proximal to an inner surface of said door, wherein attempts to rotate said threaded optical shaft cause said security pin to contact said security pin hole interior surface thus preventing rotation of said threaded optical shaft. ### Claim 9 (depends on 8) The method of claim 8 wherein the interior of said cylindrical central shaft describes an optical pathway from said optical element to a threaded optical shaft optical pathway exit aperture. ### Claim 10 (depends on 8) The method of claim 8 wherein the interior of said threaded interlocking cylinder describes an optical pathway from said a threaded interlocking cylinder optical pathway entrance aperture to said interior flange. ### Claim 11 (depends on 8) The method of claim 8 wherein said security pin is circular in cross section. ### Claim 12 (depends on 8) The method of claim 8 wherein said security pin is square in cross section. ### Claim 13 (depends on 8) The method of claim 8 wherein said threading brings at least one of said interior bezel surface into contact with said outer surface of said door and said interior flange into contact with said inner surface of said door. ### Claim 14 (depends on 8) The method of claim 8 wherein said threading brings at least one of said interior bezel surface into abutment with said outer surface of said door and said interior flange into abutment with said inner surface of said door.