Rear chain-moving device for bicycle

Rear chain-moving device for bicycle

  • CN 1,443,683 A
  • Filed: 03/08/2002
  • Published: 09/24/2003
  • Est. Priority Date: 03/08/2002
  • Status: Active Application
First Claim
Patent Images

1. bicycle use rear derailleur comprises:

  • be fixed on the carriage on the car body of bicycle;

    Be supported in the base component of described carriage;

    One end is linked to the connecting rod mechanism of described base component;

    Be linked to the movable member of the other end of described connecting rod mechanism;

    Be supported in the outside plate of described movable member movably;

    With the inboard that is positioned at described outside plate, guide wheel and straining pulley are supported on inboard plate between itself and the described outside plate free to rotately with described outside plate;

    The chain that can order about the back sprocket wheel that is engaged in the trailing wheel that drives this bicycle is shifted;

    It is characterized in that;

    For the sheet material of the part of the profile of one of them the side plate spare that is positioned at described inboard plate or described outside plate, bestow making it become the folding part branch to form towards processing toward the direction bending of in opposite directions opposite side plate,And constitute by this bending part and with the part that plate centered on of this bending part described opposite side in opposite directions and to prevent that described chain is from anti-delinking part that described straining pulley and/or described guide wheel come off.

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