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公开(公告)号：US20220409468A1
公开(公告)日：2022-12-29
申请号：US17359672
申请日：2021-06-28
Inventor： Chengkun Zhang , Luis Alfredo Mateos Guzman , Houzhu Ding , Zhen Xiu , Huan Tan
Abstract: A robotic walking assistant includes a wheeled base having a base and one or more position adjustable wheels connected to the base, a body disposed in a vertical direction, positioned on the wheeled base and having a handle, and a control system that receives command instructions. Each of the one or more wheels is slidable with respect to the base between a retracted position and an extended position in a direction that is substantially parallel to a surface where the wheeled base moves. In response to the command instructions, the control system moves the one or more wheels between the retracted positions and the extended positions.
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公开(公告)号：US20210347060A1
公开(公告)日：2021-11-11
申请号：US16923069
申请日：2020-07-07
Applicant: UBTECH ROBOTICS CORP LTD
Inventor： Marten Byl , Chengkun Zhang , Raymond Ma , Muhammed Rasid Pac , Huan Tan , Youjun Xiong
IPC: B25J11/00 , B25J5/00 , B25J9/12 , B25J9/00 , B65G1/02 , B25J9/10 , B65G61/00 , B25J19/00 , B25J19/02 , B25J9/16
Abstract: A robotic assistant includes a wheeled base, a storage unit including drawers, a foldable arm connected to a top of the storage unit and including an end of arm tooling (EOAT) connected to a distal end of the foldable arm, an elevation mechanism positioned on the wheeled base and used to move the storage unit up and down, and a control system that receives command instructions. In response to the command instructions, the control system is configured to move the wheeled base, open or close the one or more drawers, actuate movement of the foldable arm and the EOAT to pick up and place external objects from/to a determined location, and control the storage unit to move up/down.
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公开(公告)号：USD1038846S1
公开(公告)日：2024-08-13
申请号：US29897363
申请日：2023-07-14
Applicant: UBTECH ROBOTICS CORP LTD , Futronics (NA) Corporation
Designer： Sichao Zhong , Qianshan Li , Chengkun Zhang , Kun Xie , Huan Tan
Abstract: FIG. 1 is a first perspective view of an electric wheelchair showing the claimed design in accordance with the present disclosure;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines in the Figures are for the purpose of illustrating portions of the article that form no part of the claimed design.-
公开(公告)号：US20230133207A1
公开(公告)日：2023-05-04
申请号：US17513917
申请日：2021-10-29
Inventor： Sheryl Suet Ying Chau , Yang Shen , Chengkun Zhang , Huan Tan
Abstract: A touch sensing method and a serial manipulator using the same are disclosed. A serial manipulator using the method may detect and localize external torques by obtaining a torque value of each joint of a serial manipulator through a torque sensor at the joint; obtaining a preset joint angle of each joint from the serial manipulator; calculating a Jacobian matrices of the serial manipulator based on the joint angle of the joints; estimating joint torques of the serial manipulator based on the torque value of each joint and the Jacobian matrices; calculating an error between the torque value of each joint and the estimated joint torque corresponding to the joint; and determining a link of the serial manipulator that is connected to the joint with the minimum calculated error as having been touched.
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Patent Agency Ranking
25.发明申请公开(公告)号：US20220409469A1
公开(公告)日：2022-12-29
申请号：US17528158
申请日：2021-11-16
Inventor： Yang Shen , Armen Gardabad Ohanian , Zhen Xiu , Muhammed Rasid Pac , Chengkun Zhang , Huan Tan
IPC: A61H3/04 , A63B21/005
Abstract: A method for controlling a robotic walking assistant that includes a wheeled base having one or more wheels, two handles and a foldable seat that are coupled to the wheeled base, includes: detecting whether two hands of a user have held the two handles of the robotic walking assistant; receiving a command from the user to select an operation mode in response to detection of the two hands holding the two handles; controlling the wheeled base to move in response to a walking assistive mode being selected; providing resistance to at least one of the one or more wheels according to selection of the user, in response to a walking training mode being selected; and locking the one or more wheels in response to a static training mode being selected.
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公开(公告)号：US11511437B2
公开(公告)日：2022-11-29
申请号：US16923069
申请日：2020-07-07
Applicant: UBTECH ROBOTICS CORP LTD
Inventor： Marten Byl , Chengkun Zhang , Raymond Ma , Muhammed Rasid Pac , Huan Tan , Youjun Xiong
IPC: B25J11/00 , B25J5/00 , B65G1/02 , B65G61/00 , B25J9/16 , B25J9/10 , B25J9/12 , B25J19/00 , B25J9/00 , B25J19/02 , G05D1/02
Abstract: A wheeled base includes a housing, two driven wheeled mechanisms positioned on a bottom of the housing and on opposite sides of the housing, at least one passive wheel positioned on the bottom of the housing, actuated feet positioned on the bottom of the housing and configured to move up and down, sensors, and a battery pack arranged within the housing. The two driven wheeled mechanisms each includes a damping mechanism, and each damping mechanism includes at least two dampers configured to absorb impact caused by an upward movement of the housing, and absorb impact caused by a downward movement of the housing.
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公开(公告)号：US11440198B2
公开(公告)日：2022-09-13
申请号：US16861200
申请日：2020-04-28
Applicant: UBTECH ROBOTICS CORP LTD
Inventor： Houzhu Ding , Mohammad Iman Mokhlespour Esfahani , Chengkun Zhang , Huan Tan , Youjun Xiong
Abstract: A control system for a neck mechanism includes a perception system configured to track movement of an object, and a perception control system that controls a rotary motor to yaw a platform and controls a first linear actuator and a second linear actuator that is in parallel with the first linear actuator to pitch and roll the platform according to a target position of the platform. The perception system tracks movement of the object by estimating its position and pose in 3D space and the platform is moved according to a vision-based position and pose estimation result.
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公开(公告)号：US11406185B1
公开(公告)日：2022-08-09
申请号：US17358038
申请日：2021-06-25
Inventor： Luis Alfredo Mateos Guzman , Chengkun Zhang
IPC: A47B88/457 , F16H19/04
Abstract: According to one aspect, an actuator of a robotic drawer is disclosed. The actuator may include a plurality of articulation components that form an articulated rack. The actuator may include a plurality of pins each coupled to an exterior of one of the plurality of articulation components. The actuator may include a transformer box coupled to a pinion and configured to move along an exterior of the articulated rack as the pinion moves along the surface. The transformer box may include a first guide configured to apply a first force to an arm of each of the pins as the transformer box moves in a first direction. The first force may cause the pin to rotate in a first rotational direction until the arm is fitted into a cam of the articulated rack such that adjacent articulation components are held in a fixed position, causing the articulated rack to extend.
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公开(公告)号：USD921081S1
公开(公告)日：2021-06-01
申请号：US29733173
申请日：2020-04-30
Applicant: UBTECH ROBOTICS CORP LTD
Designer： Brandon Jon LaPlante , Francisco Jose Hernandez , Shixun Chen , Chengkun Zhang , Huan Tan
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