Rear shifting device

Rear shifting device

  • CN 1,401,539 A
  • Filed: 02/03/1994
  • Published: 03/12/2003
  • Est. Priority Date: 02/03/1993
  • Status: Abandoned Application
First Claim
Patent Images

1. the rear shifting device (100) on the Rear Ends/Dropouts (51) that is applicable to cycle frame (50), described cycle frame have and are formed on selector connection structure (14a) on the extension (14) is installed;

  • Described rear shifting device comprises;

    One frame member (5);

    One is used to support a strut member (4) with chain guide (3) of track adjusting wheel (1) and tension wheel (2);

    The a pair of attaching parts (6,7) that is used to connect described strut member (4) and described frame member (5);

    AndOne stake body (8) that constitutes by L shaped plate roughly, it comprises and one is located near described stake body (8) one ends, is used for first connection structure (8a) that described frame member (5) is connected to described stake body (8), can pivots around first axle (91);

    One be located near described stake body (8) other end, be used for described stake body (8) is connected to second connection structure (8b) on the described connection structure (14a) of described Rear Ends/Dropouts (51);

    And one be used for extension (14) being installed with described selector thus contact the location structure (8c) that described rear shifting device (100) is located with a kind of predetermined posture with respect to described Rear Ends/Dropouts (51);

    It is characterized in that;

    The form of described second connection structure of described stake body (8) is a circular hole (8b), be used for a tie bolt (16) being passed described circular port (8b) and being tightened, so that described stake body (8) and described rear shifting device installation extension (14) are connected to each other.

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