Universal wrench used in conjunction with spanner and usage method thereof

Universal wrench used in conjunction with spanner and usage method thereof

  • CN 101,244,547 B
  • Filed: 03/18/2008
  • Issued: 05/15/2013
  • Est. Priority Date: 03/18/2008
  • Status: Active Grant
First Claim
Patent Images

1. universal spanner head that coordinates spanner to use, it comprises the spanner body, the spanner external body coordinates spanner to use, the inner twisting nut of spanner body or screw, it is characterized in that:

  • spanner body inside or outside middle part arrange step or boss are set, the both sides of interior step or boss are provided with the polygon of two kinds of different specification sizes, be used for the nut of two kinds of specifications of twisting, the both sides of outer steps or boss are provided with the polygon of one or both specifications, are used for being fit to one or both specification spanner twistings;

    Spanner body inside or outside boss are circumference closed-loop shaped or discrete small boss.

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