The present invention relates to a speed reducer for a vehicle. The speed reducer includes: a first coupler having, on one side thereof, a first coupling portion, to which a motor shaft or a worm shaft is coupled, and, on the other side thereof, a plurality of first protrusions, which are spaced apart from each other in a circumferential direction while protruding in an axial direction, in which the first protrusions are formed in a manner in which a circumferential width of each of the first protrusions is narrowed toward an inner side from an outer side so as to form a first outer support portion as a radial outer end and a first inner support portion as a radial inner end; and a second coupler configured to be coupled to the first coupler to transmit a rotational force to the first coupler.


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    Title :

    Speed reducer for vehicle


    Contributors:

    Publication date :

    2020-08-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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