The invention relates to an emergency wheel attachment (10) for a wheel (12), having: a substantially annular mounting unit (18) for mounting the emergency wheel attachment to the wheel; and an annular tread unit (20) which contacts the road in the operating state, the mounting unit being provided with at least two retaining claws (22) designed to fasten the mounting unit to the rim (14) by engaging behind the rim flange (26), at least one of these retaining claws being radially movable, the invention relates to an emergency wheel attachment for a motor vehicle in order to vary its distance from a center point of a mounting unit having an annular actuating element (46) which is rotatable about an axis of rotation (A) coinciding with the wheel axis in the operating state of the emergency wheel attachment and forms part of a gear mechanism, the mounting unit (18) comprises a gear mechanism that converts rotation of the actuating element (46) into radial movement of the or all radially movable holding claws (22), and the mounting unit (18) comprises drive means that are coupled or can be coupled to the actuating element (46).

    本发明涉及一种用于车轮(12)的紧急轮附接件(10),该紧急轮附接件具有:基本上环形的安装单元(18),其用于将紧急轮附接件安装到车轮;以及环形胎面单元(20),其在操作状态下接触道路,该安装单元设置有至少两个保持爪(22),所述至少两个保持爪被设计成通过接合在轮辋凸缘(26)后面而将安装单元紧固到轮辋(14),这些保持爪中的至少一个是径向可移动的,以便改变其距安装单元的中心点的距离,该安装单元具有环形致动元件(46),该环形致动元件可绕在紧急轮附接件的操作状态下与车轮轴线重合的旋转轴线(A)旋转并且形成齿轮机构的一部分,该齿轮机构将致动元件(46)的旋转转换成该或所有径向可移动保持爪(22)的径向移动,并且安装单元(18)包括驱动装置,该驱动装置联接或可以联接到致动元件(46)。


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    Title :

    Emergency wheel attachment for vehicle wheels


    Additional title:

    用于车轮的紧急轮附接件


    Contributors:

    Publication date :

    2022-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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