The invention discloses an adjusting device for an automobile seat backrest. The adjusting device comprises a fixing piece and a sliding piece, wherein the fixing piece is connected with a seat; the sliding piece is connected with a backrest; an arc recess is formed in the fixing piece; a circular hole is formed in the sliding piece; a cylinder extends into the recess after penetrating through the circular hole; the cylinder can slide in the recess and can rotate in the circular hole; the surface of the cylinder is a toothed surface; and a corresponding toothed surface is arranged on the inner wall of the recess. The adjusting device for the automobile seat backrest, disclosed by the invention, is advantaged in that the angle of the seat backrest is adjusted through the cylinder and the recess; when the surface of the cylinder is the toothed surface which is clamped with the toothed surface of the inner wall of the recess, the position of the seat backrest is fixed; when the cylinder is not clamped with the inner wall of the recess, the position of the seat backrest is adjusted; convenience in adjusting, simple structure, small occupied space, long service life and convenience in maintenance are achieved; and each part is not prone to damage.


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    Title :

    Adjusting device for automobile seat backrest


    Contributors:

    Publication date :

    2015-10-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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