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    Mechanical hand
    1.
    发明授权
    Mechanical hand 有权

    公开(公告)号：US12109688B2

    公开(公告)日：2024-10-08

    申请号：US17278907

    申请日：2019-09-13

    申请人： COVVI Limited

    发明人： Edward William Varley ,  Martin Wallace ,  Robert Spares ,  Paul Roger Smithson

    IPC分类号： B25J15/10 ,  A61F2/58 ,  A61F2/70 ,  A61F2/76

    CPC分类号： B25J15/10 ,  A61F2/586 ,  A61F2002/587 ,  A61F2002/704 ,  A61F2002/7625

    摘要： The present application describes a mechanical hand comprising a plurality of finger assemblies each selectively moveable by a respective finger drive assembly about a finger pivot axis along a finger flexion/extension plane and between a finger open position and a finger closed position; a thumb assembly selectively rotatable by a first thumb drive assembly about a first thumb axis between an opposed position and a non-opposed position with respect to the finger assemblies, and selectively moveable by a second thumb drive assembly about a second thumb axis along a thumb flexion/extension plane and between a thumb open position and a thumb closed position; a controller operatively coupled to the finger and thumb drive assemblies; and a selector operatively coupled to the controller for selecting a desired thumb rotational position or a desired grip to be defined by the finger assemblies and the thumb assembly.

    MACHINE-LEARNED MOVEMENT DETERMINATION BASED ON INTENT IDENTIFICATION
    6.
    发明公开
    MACHINE-LEARNED MOVEMENT DETERMINATION BASED ON INTENT IDENTIFICATION 审中-公开

    公开(公告)号：US20240216152A1

    公开(公告)日：2024-07-04

    申请号：US18602923

    申请日：2024-03-12

    申请人： Cionic, Inc.

    发明人： Jeremiah Robison ,  Michael Dean Achelis ,  Lina Avancini Colucci ,  Sidney Rafael Primas ,  Andrew James Weitz

    IPC分类号： A61F2/58 ,  G06F3/01 ,  G06F3/0346 ,  G06N20/00

    CPC分类号： A61F2/583 ,  G06F3/015 ,  G06F3/016 ,  G06F3/0346 ,  G06N20/00

    摘要： A mobility augmentation system monitors data representative of a user's motor intent and augments the user's mobility based on the monitored motor intent data. A machine-learned model is trained to identify an intended movement based on the monitored motor intent data. The machine-learned model may be trained based on generalized or specific motor intent data (e.g., user-specific motor intent data). A machine-learned model initially trained on generalized motor intent data may be re-trained on user-specific motor intent data such that the machine-learned model is optimized to the movements of the user. The system uses the machine-learned model to identify a difference between the user's monitored movement and target movement signals. Based on the identified difference, the system determines actuation signals to augment the user's movement. The actuation signals determined can be an adjustment to a currently applied actuation such that the system optimizes the actuation strategy during application.

    FINGER WITH AUTOMATIC MAINTENANCE OF THE GRIPPING POSITION
    8.
    发明公开
    FINGER WITH AUTOMATIC MAINTENANCE OF THE GRIPPING POSITION 审中-公开

    公开(公告)号：US20240180721A1

    公开(公告)日：2024-06-06

    申请号：US18284768

    申请日：2022-04-12

    申请人： EPIC INVENTING, INC.

    发明人： Mark Hunter

    IPC分类号： A61F2/58 ,  A61F2/50 ,  A61F2/70

    CPC分类号： A61F2/586 ,  A61F2002/5038 ,  A61F2002/701 ,  A61F2002/704

    摘要： A bionic digit (1) that comprises an intermediate portion (15), a tip portion (23) and a hinge (27.29) connecting the tip portion (23) to the intermediate portion (15). The bionic digit (1) further comprises a linear actuator assembly (45) located within the intermediate portion (15) that is connected to the intermediate portion (15) and to the tip portion (23). The linear actuator assembly (45) is provided with a force generator (47), to which is connected a rotary drive shaft (49), and a ball screw (51) connected to the rotary drive shaft (49) for rotation therewith, wherein the ball screw (51) has a helical drive ball raceway (65) extending around its external surface, along at least part of its length, a plurality of drive balls (57), each drive ball (57) located within the helical drive ball raceway (65) and within a drive ball aperture (63) of a ball retention element (55) that is located around the ball screw (51), that is shorter than the ball screw (51) and that is moveable relative to the ball screw (51). Each drive ball (57) is also located within an annular groove (77) of a drive collar (53) that is positioned around the ball retention element (55), the drive collar (53) being rotatable relative to the ball retention element (55) and the ball screw (51) around the longitudinal axis L-L of the ball screw (51). The drive collar (53) has multiple annular grooves (77) that are parallel to each other and perpendicular to the longitudinal axis of the ball screw (51) and is provided with a first engagement element (79). The tip portion (23) is provided with a second engagement element (83) and the first engagement portion (79) and the second engagement portion (83) are engaged with each other.