Impact wrench having an improved anvil to square driver transition

Impact wrench having an improved anvil to square driver transition

  • CN 1,829,588 B
  • Filed: 07/30/2004
  • Issued: 03/28/2012
  • Est. Priority Date: 07/30/2003
  • Status: Active Grant
First Claim
Patent Images

1. anvil block that is used in the impact wrench comprises:

  • Circle;

    Be formed on the square toes of this circle one end, said square toes have defined four side surfaces;

    Be formed between these square toes and this circle recessed circular arc portion and round the circumference of this circle extend and towards this square toes side tapered awl slope, the integral body of this recessed circular arc portion round the sloping circumference of this awl from said four side surfaces radially extends internally.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×