Hand drill Chuck

Hand drill Chuck

  • CN 2,291,241 Y
  • Filed: 03/12/1997
  • Issued: 09/16/1998
  • Est. Priority Date: 03/12/1997
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of manually fastened drill chuck, it is provided with drill body, jaw, screw, bearing, bearing gasket, protheca, back cover, drill body and bearing gasket, back cover interference fit joint, jaw is installed in three inclined holes of drill body, screw is located in the screw groove of drill body, it is characterized in that screw outside interference fit joint one nut sleeve, the nut sleeve outside is equiped with protheca.

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