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    • 7. 发明申请
    • PROSTHETIC DEVICE
    • WO2023275846A1
    • 2023-01-05
    • PCT/IB2022/056153
    • 2022-07-01
    • FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIAI.N.A.I.L. ISTITUTO NAZIONALE PER L'ASSICURAZIONE CONTRO GLI INFORTUNI SUL LAVORO
    • CHERUBINI, AndreaCANEPA, MicheleBOCCARDO, NicolòTRAVERSO, SimoneLAFFRANCHI, MatteoDE MICHIELI, LorenzoGRUPPIONI, EmanueleDE GIUSEPPE, SamueleDRIESSEN, Josephus Johannes MariaROSSI, Paolo
    • A61F2/50A61F2/68A61F2/70A61F2/64A61F2002/5003A61F2002/6845A61F2002/701
    • Prosthetic device, suitable to replace at least in part the limb of a user, comprising a proximal prosthetic portion (1) suitable to be coupled to a segment of the user's limb and a distal prosthetic portion (2). The proximal prosthetic portion (1) and the distal prosthetic portion (2) are inter-connected by an articular portion (3) comprising an articular actuator assembly (5) for rotatably actuating said distal portion (2) with respect to said proximal portion (1) about an axis of rotation (30). A damper assembly (4) connected to said articular portion (3) is provided and adapted to absorb energy when a torque is applied between said proximal portion (1) and said distal portion. The articular actuator assembly (5) is provided with a removable mechanical engagement element (6) such that the actuator assembly (5) can be switched from a coupled condition in which it rotatably drives said distal portion (2) with respect to said proximal portion (1) to a decoupled condition in which said distal portion (2) is only coupled to said damper assembly (4) for a predetermined rotation angle. The articular actuator assembly (5) includes an electric motor (50) and a reduction gearbox (51), which reduction gearbox (51) is connected in input with the motor (50) and in output with said engagement element (6). The engagement element (6) comprises an actuating part connected to the output of the reduction gearbox (51) and an actuating part integral with the distal portion (2). The actuating part and the actuated part are respectively provided with abutment and reciprocal fitting surfaces arranged on radial planes with respect to said rotation axis (30), which abutment surfaces are respectively provided on at least one protrusion of the actuating part (60) and on at least one protrusion of the actuated part (61 ). Said protrusions (60, 61) have angular extensions such that in the said decoupled condition the protrusion of the actuating part (60) is positioned angularly, spaced from the protrusion of the actuated part (61) so as to constitute an end stop for the extension of the distal portion (2) and thus allow the free flexion of the distal portion (2) for a predetermined angular amplitude, while in the said coupled condition the protrusions of the actuating part (60) and of the actuated part (61 ) are in abutment with each other so as to actuate the relative rotation of the distal portion (2) with respect to the proximal portion (1) in extension.
    • 8. 发明申请
    • ACTUATOR FOR EXOSKELETON
    • EXOSKELETON的执行机构
    • WO2017178903A1
    • 2017-10-19
    • PCT/IB2017/050971
    • 2017-03-01
    • FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIAISTITUTO NAZIONALE PER L'ASSICURAZIONE CONTRO GLI INFORTUNI SUL LAVORO
    • LAFFRANCHI, MatteoD'ANGELLA, StefanoCAPPA, SamueleUBOLDI, PaoloSAGLIA, JodySANFILIPPO, CarloGRUPPIONI, Emanuele
    • F16H25/20F16H25/22
    • The present invention relates to an actuation device (1) comprising a threaded shaft (2) connected at one end to driving means adapted to allow the threaded shaft (2) to rotate about its longitudinal axis (a). The device further comprises a movable element (3) provided with a cylindrical cavity (30) adapted to receive the threaded shaft (2), and configured in such a way that a rotation of the threaded shaft (2) corresponds to a translation the movable element (3) along the longitudinal axis (a). The device (1) further comprises two guiding rods (4, 4') coupled to the movable element (3) and adapted to constrain the translation of the latter along a direction parallel to the longitudinal axis (a). The movable element (3) comprises a first (31) and a second (32) element constrained to each other, wherein the first element (31) is coupled to the threaded shaft (2) and the second element (32) is coupled to the two guiding rods (4, 4'). A portion (320) protrudes from the second element (32) adapted to fit into a seat (312) formed in the first element (31), and wherein the portion (320) and the seat (312) are shaped in such a way that the contact between the seat (312) and the portion (320) takes place in a contact zone that extends along a section of the portion (320) whose midpoint lies in a plane that comprises the longitudinal axis (a) and is parallel to the plane which comprises the development axes (β,β ') of the two guiding rods (4, 4').
    • 本发明涉及一种致动装置(1),该致动装置包括螺纹轴(2),螺纹轴(2)的一端连接到驱动装置,该驱动装置适于允许螺纹轴(2)围绕其纵向轴线(a )。 该装置还包括设置有适于接纳螺纹轴(2)的圆柱形空腔(30)的可移动元件(3),并且该螺纹轴(2)的旋转对应于可移动元件 元件(3)沿着纵向轴线(a)。 装置(1)还包括耦合到可移动元件(3)并且适于限制后者沿平行于纵向轴线(a)的方向平移的两个引导杆(4,4')。 可动元件(3)包括彼此约束的第一元件(31)和第二元件(32),其中第一元件(31)联接到螺纹轴(2)并且第二元件(32)联接到 两个导杆(4,4')。 部分(320)从第二元件(32)突出,适于配合到形成在第一元件(31)中的座部(312)中,并且其中部分(320)和座部(312)以这种方式成形 (312)和部分(320)之间的接触发生在沿着部分(320)的一部分延伸的接触区域中,该部分的中点位于包括纵轴线(a)的平面内并平行于 包括两根导杆(4,4')的展开轴(β,β')的平面。