# US 11,432,649 B2 · Adjustable desk chair > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,432,649 B2 - Document ID: US11432649B2 - Status: Granted - Kind: B2 - Application number: 17/031,743 - Filed: 2020-09-24 - Published: 2021-03-25 - Granted: 2022-09-06 - Earliest claimed: 2019-09-24 - Assignees: Beech Enterprises, LLC - Applicants: Beech Enterprises, LLC - Inventors: James Beech; David Richins - Web page: https://patentgrep.com/patent/US11432649B2 ## CPC - A47C 1/022: having independently-adjustable supporting parts - A47C 3/0251: {driven by electric motors} - A47C 1/0242: {by electric motors} - A47C 3/026: with a central column, e.g. rocking office chairs; Tilting chairs - A47C 7/004: {for chairs or stools with central column, e.g. office chairs} - A47C 7/462: {adjustable by mechanical means} - A47C 31/008: {Use of remote controls} - A47C: CHAIRS; SOFAS; BEDS ## Abstract An adjustable chair comprising a seat part, a seat back disposed along one side of the seat part, the seat back being configured for supporting at least a person's back or shoulders, a chair base configured for being placed on a floor, at least one adjustable chair feature including a motor capable of being selectively controlled and driven so as to adjust at least one of: the rotation or tilt of the seat part, a vertical distance between the seat back and the one side of the seat part, an angle position between the seat back and the seat part, and a distance between the chair base and the seat part. ## Claims ### Claim 1 An adjustable chair comprising: a seat part; a seat back disposed along one side of the seat part, the seat back being configured for supporting at least a person's back or shoulders; a chair base configured for being placed on a floor; and at least one adjustable chair feature including a motor capable of being selectively controlled and driven so as to adjust at least one of: a rotation or tilt of the seat part, a vertical distance between the seat back and the one side of the seat part, an angle position between the seat back and the seat part, and a distance between the chair base and the seat part, a lumbar support providing incremental and progressive resistance to support the person's lower back, the lumbar support being adjustable so as to incrementally protrude a distance from the seat back towards the person's back or shoulders as a lumbar support motor is driven, wherein the lumbar support is further adjustable and is configured to move in a vertical direction with respect to the seat part. ### Claim 2 (depends on 1) The adjustable chair of claim 1, wherein the at least one adjustable chair feature comprises a linear actuator connected at one end to the chair base and to the seat part, the linear actuator comprising an inner locking guide, a middle locking guide, and an outer locking guide, wherein the linear actuator moves between an expanded and collapsed state as the motor is driven so as to increase and decrease the distance between the seat part and the chair base, and wherein the inner locking guide, middle locking guide, and outer locking guide are configured so as to prevent rotation with respect to each other as the motor is driven. ### Claim 3 (depends on 1) The adjustable chair of claim 1, wherein the at least one adjustable chair feature comprises a seat back adjustment means which, when the motor is driven causes the seat back to rotate with respect to the seat part so as to form an acute or obtuse angle with respect to the seat part. ### Claim 4 (depends on 1) The adjustable chair of claim 1, wherein the at least one adjustable chair feature comprises a seat rotation means, which, when the motor is driven causes the seat part to rotate with respect to a horizontal axis. ### Claim 5 (depends on 1) The adjustable chair of claim 1, wherein the at least one adjustable chair feature is further capable of being controlled via a mechanical adjustment. ### Claim 6 (depends on 5) The adjustable chair of claim 5, wherein the mechanical adjustment includes a plurality of mechanical of switches disposed on the adjustable chair. ### Claim 7 (depends on 1) The adjustable chair of claim 1, wherein the motor is controlled and caused to be driven via a controller capable of communicating with an electronic device of a user via a network connection, the controller causing the motor to be driven so as to adjust at the least one of: the rotation or tilt of the seat part, the vertical distance between the seat back and the one side of the seat part, the angle position between the seat back and the seat part, and the distance between the chair base and the seat part according to a chair setting profile set by the electronic device. ### Claim 8 (depends on 7) The adjustable chair of claim 7, wherein the electronic device is a smart phone capable of communicating with the controller via a network connection. ### Claim 9 (depends on 7) The adjustable chair of claim 7, wherein the electronic device of the user includes a memory which stores the chair setting profile comprising a series of recommended preset seat adjustment settings, and wherein the controller is capable of driving the motor so as to adjust the at least one of the rotation or tilt of the seat part, the position of the seat back, the angle position between the seat back and the seat part, and the distance between the chair base and the seat part according to the chair setting profile according to the recommended preset adjustment settings. ### Claim 10 (depends on 9) The adjustable chair of claim 9, wherein the recommended preset adjustment settings comprise different settings for different durations or different times of a day. ### Claim 11 (depends on 1) The adjustable chair of claim 1, further comprising an adjustable footrest capable of adjusting the distance between the seat part and a footrest configured for supporting the person's feet.