# US 2023/0055029 A1 · Servo and robot > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0055029 A1 - Document ID: US20230055029A1 - Status: Published application - Kind: A1 - Application number: 17/882,512 - Filed: 2022-08-05 - Published: 2023-02-23 - Earliest claimed: 2021-08-18 - Assignees: Robosen Bobotics (Shenzhen) Co., Ltd. - Applicants: Robosen Bobotics (Shenzhen) Co., Ltd. - Inventors: Xiaosen CHEN; Liming ZHENG - Web page: https://patentgrep.com/patent/US20230055029A1 ## CPC - F16H 1/20: involving more than two intermeshing members - B25J 9/12: electric - F16H 55/06: Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties - F16H 57/031: characterised by covers or lids for gearboxes - H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)} - H02K 7/116: with gears - H02K 7/14: Structural association with mechanical loads, e.g. with hand-held machine tools or fans (with fan or impeller for cooling the machine H02K9/06) - H02K 11/33: Drive circuits, e.g. power electronics (H02K11/38 takes precedence) - F16H 2057/02034: {Gearboxes combined or connected with electric machines} - H02K 2211/03: Machines characterised by circuit boards, e.g. pcb - F16H: GEARING - B25J: MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES ({manipulators specially adapted for use in surgery A61B34/70; manipulators used in cleaning hollow articles B08B9/04}; manipulators associated with rolling mills B21B39/20; manipulators associated with forging machines B21J13/10; {manipulators associated with picking-up and placing mechanisms B23P19/007}; means for holding wheels or parts thereof B60B30/00; {vehicles with ground-engaging propulsion means, e.g. walking members B62D57/02, B62D57/032; devices for picking-up and depositing articles or materials between conveyors B65G47/90, B65G47/91; manipulators with gripping or holding means for transferring packages B65H67/065}; cranes B66C; {manipulators used in the protection or supervision of pipe-line installations F17D5/00; walking equipment adapted for nuclear steam-generators F22B37/006}; manipulators specially adapted for, or associated with, nuclear reactors G21C; {apparatus used for handling wafers during manufacture or treatment of semiconductor H10P72/50}) - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract A servo and a robot with the same are provided. The servo comprises a servo body, an upper cover, a lower cover, and a gear set having a plurality of gears meshing with each other. The gear set is located in the servo body, and comprises an output gear located in the center of the servo body as seen from the cross section of the servo body. ## Claims ### Claim 1 A servo, comprising a servo body, an upper cover, a lower cover, and a gear set having a plurality of gears meshing with each other, wherein: the gear set is located in the servo body, and the gear set comprises an output gear located in the center of the servo body as seen from the cross section of the servo body. ### Claim 2 (depends on 1) The servo according to claim 1, wherein: the servo further comprises a coreless motor and a potentiometer, the coreless motor is arranged below the output gear, and the potentiometer is arranged between the output gear and the coreless motor. ### Claim 3 (depends on 2) The servo according to claim 2, wherein: the servo further comprises a servo printed circuit board (PCB), and the potentiometer is fixed to the servo PCB. ### Claim 4 (depends on 1) The servo according to claim 1, wherein a servo plate is arranged below the lower cover and configured to be connected to a forearm servo. ### Claim 5 (depends on 1) The servo according to claim 1, wherein: the servo has an upper wire outlet structure and a lower wire outlet structure, the upper wire outlet structure is arranged on the upper cover, and the lower wire outlet structure is arranged on the lower cover. ### Claim 6 (depends on 1) The servo according to claim 1, wherein: the gear set further comprises a first-stage gear, a second-stage gear, a third-stage gear, a fourth-stage gear, a fifth-stage gear, a sixth-stage gear, and a motor gear which are arranged in the servo body. ### Claim 7 (depends on 6) The servo according to claim 6, wherein: the motor gear is made of copper alloy; the first-stage gear, the second-stage gear, the third-stage gear, the fourth-stage gear, the fifth-stage gear and the sixth-stage gear use iron teeth and aluminum alloy teeth; and the output gear uses aluminum alloy teeth. ### Claim 8 (depends on 1) The servo according to claim 1, wherein an end portion of the upper cover is provided with a round hole through which the output gear passes. ### Claim 9 (depends on 1) The servo according to claim 1, wherein: the upper cover and the lower cover are both provided with a plurality of threaded holes, and the upper cover, the servo body and the lower cover are connected together via a plurality of screws which pass through the threaded holes of the upper cover from above and a plurality of screws which pass through the threaded holes of the lower cover from below. ### Claim 10 (depends on 1) The servo according to claim 1, wherein a gear shaft of the output gear is provided with an oil-impregnated bearing. ### Claim 11 (depends on 1) The servo according to claim 1, wherein: the servo is provided with a connecting socket arranged on an outer side of the servo body, and the connecting socket is electrically connected to the servo PCB located in the servo body and configured to be in plug-in electrical connection with another servo. ### Claim 12 (depends on 1) A robot, comprising the servo according to claim 1.