# US 11,849,842 B2 · Multifunctional hand controller for height-adjustable furniture > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,849,842 B2 - Document ID: US11849842B2 - Status: Granted - Kind: B2 - Application number: 17/784,112 - Filed: 2021-04-20 - Published: 2023-01-19 - Granted: 2023-12-26 - Earliest claimed: 2020-03-31 - Assignees: Zhejiang Jiecang Linear Motion Technology Co., Ltd. - Applicants: Zhejiang Jiecang Linear Motion Technology Co., Ltd. - Inventors: Xin Xu; Shaoping Zhou; Liuchang Lu - Web page: https://patentgrep.com/patent/US11849842B2 ## CPC - A47B 9/00: Tables with tops of variable height ({lecterns with variable height A47B19/06; school forms or desks with variable height A47B39/02, A47B41/02}; seats with variable height A47C3/20) - H01H 25/04: Operating part movable angularly in more than one plane, e.g. joystick - A47B 13/081: {Movable, extending, sliding table tops} - G05G 1/01: Arrangements of two or more controlling members with respect to one another (double foot control, e.g. for instruction vehicles G05G1/34; mounting units comprising an assembly with two or more pedals G05G1/36) - G05G 1/10: Details, e.g. of discs, knobs, wheels or handles {(G05G1/085 takes precedence)} - G05G 5/05: Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops (G05G5/28 takes precedence) - H01H 19/08: Bases; Stationary contacts mounted thereon - H01H 19/14: Operating parts, e.g. turn knob - G05G 9/047: the controlling member being movable by hand about orthogonal axes, e.g. joysticks {(for switches H01H25/04)} - H01H 2025/045: {having a rotating dial around the operating member for additional switching functions} - A47B: TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE (furniture jointing F16B) - H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00) - G05G: CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY ("Bowden" or like mechanisms F16C1/10; gearings or mechanisms not peculiar to this purpose F16H; speed changing or reversing mechanisms for gearings conveying rotary motion F16H59/00 - F16H63/00) ## Abstract The present disclosure provides a multifunctional hand controller for height-adjustable furniture, and belongs to the technical field of control equipment for electric furniture. The multifunctional hand controller includes a shell. The shell is fixed on the furniture. Switches for controlling the furniture are installed on the shell. The switches include a first switch and a second switch. The first switch is a rotary switch. The rotary switch rotates relative to the shell to generate a first control instruction for controlling the furniture. ## Claims ### Claim 1 A height-adjustable furniture using multifunctional hand controller comprising a shell, wherein the shell is fixed on the furniture, switches for controlling the furniture are installed on the shell, the switches comprise a first switch and a second switch, the first switch is a rotary switch, the rotary switch rotates relative to the shell to generate a first control instruction for controlling the furniture, the second switch is a joystick switch, and the joystick switch swings relative to the shell to generate a second control instruction for controlling the furniture, wherein the rotary switch is a rotary body, an end of the rotary body is provided with a through hole, and the joystick switch extends from an interior of the rotary body to an exterior outside of the rotary body via the through hole. ### Claim 2 (depends on 1) The height-adjustable furniture using multifunctional hand controller according to claim 1, wherein a bracket is disposed in the shell, the rotary switch is rotatably connected with the bracket, the joystick switch is connected with a positioner, and the positioner is installed on the bracket. ### Claim 3 (depends on 2) The height-adjustable furniture using multifunctional hand controller according to claim 2, wherein a torsion spring for resetting the rotary switch is disposed between the rotary switch and the bracket. ### Claim 4 (depends on 3) The height-adjustable furniture using multifunctional hand controller according to claim 3, wherein the torsion spring comprises a main body portion and at least one pin extending from the main body portion, the main body portion is installed on the bracket, and a limit rib in contact with the pins are disposed on an inner wall of the rotary switch. ### Claim 5 (depends on 4) The height-adjustable furniture using multifunctional hand controller according to claim 4, wherein the torsion spring comprises two pins, the bracket is provided with a limit column, the two pins are respectively located at two sides of the limit column, and two ends of the two pins are clamped at the two sides of the limit rib. ### Claim 6 (depends on 5) The height-adjustable furniture using multifunctional hand controller according to claim 5, wherein the multifunctional hand controller comprises a printed circuit board (PCB), at least one trigger switch that triggers the first control instruction is disposed on the printed circuit board, the limit rib is configured to abut against the trigger switch, and the positioner is installed on the printed circuit board. ### Claim 7 (depends on 1) The height-adjustable furniture using multifunctional hand controller according to claim 1, wherein the height-adjustable furniture is a lift table, the lift table comprises a table frame and a table board, the table board is adapted to turn over relative to the table frame, and one of the first control instruction and the second control instruction is a lifting instruction for controlling the lift table to ascend and descend, and the other of the first control instruction and the second control instruction is a turning instruction for controlling the table board to be turned. ### Claim 8 (depends on 7) The multifunctional hand controller for height-adjustable furniture according to claim 7, wherein the table board is adapted to horizontally move relative to the table frame, the joystick switch is connected with a positioner, swing directions of the positioner relative to the shell comprise a first swing direction and a second swing direction, the joystick switch swings relative to the shell in the first swing direction to generate the second control instruction for controlling the furniture, the joystick switch swings relative to the shell in the second swing direction to generate a third control instruction for controlling the furniture, and the third control instruction is configured to control the table board to move. ### Claim 9 (depends on 1) The height-adjustable furniture using multifunctional hand controller according to claim 1, wherein the height-adjustable furniture is a lift table, the lift table comprises a table frame and a table board, the table board is to adapted to horizontally move relative to the table frame, and one of the first control instruction and the second control instruction is a lifting instruction for controlling the lift table to ascend and descend, and the other of the first control instruction and the second control instruction is a moving instruction for controlling the table board to move.