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    Dynamic load-absorbing material and articles
    1.
    发明授权
    Dynamic load-absorbing material and articles 有权
    动态负载吸收材料和制品

    公开(公告)号：US09394959B2

    公开(公告)日：2016-07-19

    申请号：US14201820

    申请日：2014-03-08

    Applicant: Purdue Research Foundation

    Inventor： Eric Allen Nauman ,  Evan Louis Breedlove ,  Anne Dye Zakrajsek ,  Eric S. Lynch

    IPC: A42B3/12 ,  F16F7/12 ,  C08J9/00 ,  A41D13/015 ,  F41H5/04 ,  C08L83/04 ,  C08K3/04

    CPC classification number: F16F7/12 ,  A41D13/015 ,  A42B3/12 ,  C08J9/0066 ,  C08J2201/026 ,  C08J2383/04 ,  C08K3/04 ,  C08L83/04 ,  F41H5/0492

    Abstract: Dynamic load-absorbing materials suitable for use as cushion-type and armor-type materials, for example, of types that can be incorporated into protective gear, equipment, armor, vehicles, and various other structures, or used for the isolation and dissipation of vibratory loads, such as vibration isolators used to support avionic equipment. The impact-absorbing materials include a matrix material (22) and at least first and second sets of inclusions (which can be either included material or voids) (24) in the matrix material (22) that define a hierarchy of inclusions (24) in the matrix material (22). The inclusions (24) differ in size, quantity, shape and/or composition in a direction through the impact-absorbing material, the combination of which contributes to the ability of the material to exhibit at least one property that changes as the inclusions (24) are deformed under load.

    Abstract translation: 适合用作缓冲型和装甲型材料的动态负载吸收材料，例如可并入保护装置，设备，装甲，车辆和各种其他结构中的类型，或用于隔离和消散的材料 振动载荷，如用于支持航空电子设备的隔振器。 冲击吸收材料包括矩阵材料（22）和基体材料（22）中至少第一组和第二组夹杂物（其可以是包括材料或空隙）（24），其限定夹杂物的层级（24） 在基质材料（22）中。 夹杂物（24）在通过冲击吸收材料的方向上的尺寸，数量，形状和/或组成不同，其组合有助于材料表现出随夹杂物（24）变化的至少一种性质的能力 ）在负载下变形。

    Lower leg prosthetic systems and devices
    3.
    发明授权
    Lower leg prosthetic systems and devices 有权

    公开(公告)号：US10857006B2

    公开(公告)日：2020-12-08

    申请号：US15614987

    申请日：2017-06-06

    Applicant: PURDUE RESEARCH FOUNDATION

    Inventor： Haley Elizabeth Smith ,  Jennifer Anne Boehm ,  Rachel Nicole Berry ,  Sami Imad Labban ,  Allison Jean Gleason ,  Eric Allen Nauman ,  Quinton James Lasko

    IPC: A61F2/50 ,  A61F2/66 ,  A61F2/76

    Abstract: Systems and devices for use as lower leg prosthetic devices that include a foot portion having anterior and posterior ends and a first surface having a protrusion that protrudes therefrom adjacent the posterior end of the foot portion, has a semispherical or hemispherical surface with a passage therethrough extending laterally relative to the foot portion. The systems and devices further include a toe portion pivotally coupled to the anterior end of the foot portion, and a plate portion configured to couple to an attachment device and thereby be functionally secured to a user. The plate portion has a recess configured to couple with the protrusion of the foot portion. A cylindrical rod is located within the lateral passage of the protrusion and has ends protruding therefrom on oppositely-disposed of the protrusion. The plate portion is pivotally coupled to the ends of the rod on oppositely-disposed lateral sides of the protrusion.

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