Bolt type loosen-proof and dismantling-proof screw nut

Bolt type loosen-proof and dismantling-proof screw nut

  • CN 2,366,605 Y
  • Filed: 05/13/1998
  • Issued: 03/01/2000
  • Est. Priority Date: 05/13/1998
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of bolt-type anti-loosing and anti-assembling nut, the edge of vertically opening of its nut inner hole side is threaded into direction groove from shallow to deep, it is characterized in that and to be designed to cambered inwards circular arc cylinder along being threaded into direction bottom land 3 from shallow to deep, make the structure of the groove 2 that the nut inner hole side is vertically offered be Connected in star.

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