# US 11,441,333 B2 · Electronic deadbolt systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,441,333 B2 - Document ID: US11441333B2 - Status: Granted - Kind: B2 - Application number: 16/299,333 - Filed: 2019-03-12 - Published: 2019-09-12 - Granted: 2022-09-13 - Earliest claimed: 2018-03-12 - Assignees: Amesbury Group, Inc. - Applicants: Amesbury Group, Inc. - Inventors: Gary E. Tagtow; Michael Lee Anderson; Tracy Lammers; Bruce Hagemeyer; Douglas John Criddle - Web page: https://patentgrep.com/patent/US11441333B2 ## CPC - E05B 47/023: {the bolt moving pivotally or rotatively} - E05B 47/0012: {with rotary electromotors (actuators with rotary electromotors per se H02K7/06, H02K23/68)} - E05B 47/026: {the bolt moving rectilinearly} - G07C 9/00174: {Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys (mechanical locks with electric permutation E05B49/00; arrangements for sensing or reading record carriers G06K7/00; electronic switching H03K17/00)} - E05B 2047/0014: {Constructional features of actuators or power transmissions therefor} - E05B 2047/0023: {Nuts or nut-like elements moving along a driven threaded axle} - E05B 2047/0058: {by batteries} - G07C 2009/00642: {by battery} - G07C 2009/00793: {by Hertzian waves} - E05B: LOCKS; ACCESSORIES THEREFOR; HANDCUFFS - G07C: TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE ## Abstract An electronic deadbolt includes a face plate and a housing having a first end and an opposite second end. The first end is releasably coupled to the face plate, and the housing further includes a bolt compartment defining a bolt axis and a battery compartment defining a battery axis. The bolt axis is substantially parallel to and offset from the battery axis, and the bolt compartment is separated from the battery compartment proximate the second end of the housing. The electronic deadbolt further includes a bolt module disposed within the bolt compartment. The bolt module includes a motor and a deadbolt, and the deadbolt is configured to be selectively linearly extended from the face plate along the bolt axis. ## Claims ### Claim 1 An electronic deadbolt comprising: a face plate; a housing comprising a first end and an opposite second end, wherein the first end is releasably coupled to the face plate, wherein the housing further comprises a bolt compartment defining a bolt axis and a battery compartment defining a battery axis, and wherein the bolt axis is substantially parallel to and offset from the battery axis, and the bolt compartment is separated from the battery compartment proximate the second end of the housing; and a bolt module disposed within the bolt compartment, wherein the bolt module comprises a motor and a deadbolt, and wherein the deadbolt is configured to be selectively linearly extended from the face plate along the bolt axis. ### Claim 2 (depends on 1) The electronic deadbolt of claim 1, wherein both of the bolt compartment and the battery compartment are substantially cylindrical. ### Claim 3 (depends on 2) The electronic deadbolt of claim 2, wherein the bolt compartment has a first outer diameter and the battery compartment has a second outer diameter, and wherein the first outer diameter is approximately equal to the second outer diameter. ### Claim 4 (depends on 2) The electronic deadbolt of claim 2, wherein the bolt compartment and the battery compartment are approximately 1¼ inches in diameter. ### Claim 5 (depends on 1) The electronic deadbolt of claim 1, wherein the housing further comprises a spacer disposed at least partially between the bolt compartment and the battery compartment at the first end. ### Claim 6 (depends on 1) The electronic deadbolt of claim 1, wherein the bolt module further comprises a lead screw configured to be rotated by the motor about the bolt axis, and wherein the deadbolt is coupled to the lead screw. ### Claim 7 (depends on 6) The electronic deadbolt of claim 6, wherein the bolt module further comprises a support coupled to an inside surface of the bolt compartment, wherein the support is engaged with the deadbolt such that upon rotation of the lead screw, rotation of the deadbolt is prevented so that rotational movement of the lead screw is transferred into linear movement of the deadbolt. ### Claim 8 (depends on 7) The electronic deadbolt of claim 7, wherein the support at least partially supports the motor and the deadbolt within the bolt compartment. ### Claim 9 (depends on 1) The electronic deadbolt of claim 1, further comprising a substantially cylindrical cover threadably coupled to the face plate adjacent the battery compartment. ### Claim 10 An electronic deadbolt comprising: a bolt compartment having a bolt axis and configured to house a bolt module, wherein the bolt module comprises: a motor; a lead screw configured to be rotated by the motor about the bolt axis; and a deadbolt coupled to the lead screw and upon rotation of the lead screw, is linearly extendable from the bolt compartment along the bolt axis; a battery compartment having a battery axis and configured to house a battery module, wherein the bolt axis is substantially parallel to and offset from the battery axis; and a face plate releasably coupled to the bolt compartment and the battery compartment. ### Claim 11 (depends on 10) The electronic deadbolt of claim 10, wherein the bolt compartment and the battery compartment are coupled together to form a single housing. ### Claim 12 (depends on 11) The electronic deadbolt of claim 11, wherein at least a portion of the bolt compartment and the battery compartment are separated by a gap. ### Claim 13 (depends on 10) The electronic deadbolt of claim 10, wherein both of the bolt compartment and the battery compartment are substantially cylindrical. ### Claim 14 (depends on 13) The electronic deadbolt of claim 13, wherein the bolt compartment has a first outer diameter and the battery compartment has a second outer diameter, and wherein the first outer diameter is approximately equal to the second outer diameter. ### Claim 15 (depends on 13) The electronic deadbolt of claim 13, wherein the bolt compartment is independent from the battery compartment. ### Claim 16 (depends on 10) The electronic deadbolt of claim 10, wherein the face plate comprises a shoulder extending therefrom and the compartments comprise a lip, and wherein when the compartments are coupled to the face plate the shoulder engages with the lip. ### Claim 17 (depends on 10) The electronic deadbolt of claim 10, wherein the bolt compartment and the battery compartment are coupled to the face plate with a snap-fit connection. ### Claim 18 (depends on 10) The electronic deadbolt of claim 10, wherein the bolt module further comprises a position sensor. ### Claim 19 A method of installing an electronic deadbolt on a door, the method comprising: boring two substantially cylindrical holes adjacent to one another on the door; inserting at least a portion of the electronic deadbolt into the two cylindrical holes, wherein the electronic deadbolt includes a face plate and a housing including a bolt compartment and a battery compartment, wherein each compartment is inserted within a respective hole, and wherein a bolt module is disposed within the bolt compartment and a battery module is disposed within the battery compartment; and securing the face plate to the door. ### Claim 20 (depends on 19) The method of claim 19, further comprising inserting a power source into the battery compartment.