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    Modular wheelchair system
    1.
    发明授权
    Modular wheelchair system 有权

    公开(公告)号：US10307314B2

    公开(公告)日：2019-06-04

    申请号：US15700818

    申请日：2017-09-11

    申请人： Erich C. Griffith ,  Jason L. Ward

    发明人： Erich C. Griffith ,  Jason L. Ward

    IPC分类号： A61G5/00 ,  A61G5/10 ,  A61G5/08 ,  A61G5/12 ,  A61G1/06

    摘要： A convertible transport system including a seat portion, a back support portion, and a pivoting mechanism coupled to the seat portion and to the back support portion. The pivoting mechanism is configured to adjust and lock the back support portion relative to the seat portion, the pivoting mechanism having three operative states: a free pivoting state allowing the back support portion to pivot relative to the seat portion about an axis; a ratcheting state allowing the back support portion to only pivot toward the seat portion about the axis; and a locking state in which the pivoting mechanism is locked to thereby prevent a pivoting movement of the back support portion relative to the seat portion.

    SEGMENTED SPROCKET ASSEMBLY SYSTEM
    3.
    发明申请
    SEGMENTED SPROCKET ASSEMBLY SYSTEM 审中-公开
    SEGMENTED SPROCKET ASSEMBLY系统

    公开(公告)号：US20130038119A1

    公开(公告)日：2013-02-14

    申请号：US13536485

    申请日：2012-06-28

    申请人： Trevor C. Griffith ,  Erich C. Griffith

    发明人： Trevor C. Griffith ,  Erich C. Griffith

    IPC分类号： B62D55/30 ,  B23P11/00

    CPC分类号： B62D55/30 ,  B23P11/00 ,  B62D55/13 ,  Y10T29/49947

    摘要： A sprocket assembly for a vehicle having a chassis and at least one endless track for engaging a ground surface. The track being movably coupled to the chassis and driven by the sprocket assembly. The sprocket assembly including at least one sprocket segment, a hub rotationally coupled to the chassis and a fastening system configured to displace some material portion of the sprocket segment when the sprocket segment is attached to the hub.

    摘要翻译： 一种用于车辆的链轮组件，其具有底架和用于接合地面的至少一个环形履带。 轨道可移动地联接到底盘并由链轮组件驱动。 所述链轮组件包括至少一个链轮段，旋转地联接到所述底盘的轮毂和构造成当所述链轮段附接到所述轮毂时将所述链轮段的一些材料部分移位的紧固系统。