• CN 202,208,237 U
  • Filed: 09/14/2011
  • Issued: 05/02/2012
  • Est. Priority Date: 09/14/2011
  • Status: Active Grant
First Claim
Patent Images

1. tractor;

  • It is characterized in that;

    Comprise draw bar (1), said draw bar (1) one end is provided with connecting portion (9), and the other end is provided with fixedly engagement section (3);

    Said fixedly engagement section (3) is provided with first deep-slotted chip breaker (30);

    Be connected with the portion of being movably fastened (5) on the said fixedly engagement section (3), the said portion (5) that is movably fastened is provided with second deep-slotted chip breaker (50), when fixedly engagement section (3) with after being movably fastened portion (5) amalgamation;

    First deep-slotted chip breaker (30) and second deep-slotted chip breaker (50) form one and are used to the draw-in groove (11) that prevents that tow ball breaks away from, also are provided with on the said draw bar (1) and prevent fixedly engagement section (3) and the anchor fitting that is movably fastened the mutual disengaging of portion (5).

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