A kind of bearing rod

A kind of bearing rod

  • CN 204,598,814 U
  • Filed: 04/21/2015
  • Issued: 09/02/2015
  • Est. Priority Date: 04/21/2015
  • Status: Active Grant
First Claim
Patent Images

1. a bearing rod, has metal inner pipe (1), and the outer surface of metal inner pipe (1) is coated with plastic layer (2-1) ,it is characterized in that:

  • on metal inner pipe (1), at least one end is provided with one section of not plastic reservation body (1a), retain body (1a) and be provided with 3 axial notches (1-1) formed because causing tube wall to cave in by clamp closing in, thus the obform body making reservation body (1a) become concavo-convex alternate and openend maximum outside diameter (d) to be less than metal inner pipe external diameter (D), the outside retaining body (1a) is injected with conical plastics cover (2-2).

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