Drill chuck

Drill chuck

  • CN 201,855,962 U
  • Filed: 07/05/2010
  • Issued: 06/08/2011
  • Est. Priority Date: 07/05/2010
  • Status: Active Grant
First Claim
Patent Images

1. drill chuck, comprise drill body, described drill body is provided with around the jaw hole of equidistant several inclinations that are provided with of its center line, described jaw is provided with jaw in the hole, described drill chuck also is provided with nut, being threaded on described nut and the jaw, it is characterized in that described jaw center line and drill body center line angle more than or equal to 17 °

  • smaller or equal to 19.5 °

    , described jaw hole has corresponding gradient.

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