Universal ball

Universal ball

  • CN 102,434,571 A
  • Filed: 12/06/2011
  • Published: 05/02/2012
  • Est. Priority Date: 12/06/2011
  • Status: Active Application
First Claim
Patent Images

1. universal ball;

  • It is characterized in that, comprising;

    a body, one first rolling element and be located at body and first rolling element between several second rolling elements, form the containing groove sidewall thereby body one end is provided with containing groove;

    This second rolling element rollably is arranged on the containing groove sidewall;

    And body is provided with the gas-entered passageway that is communicated with containing groove, and the containing groove sidewall is provided with the butting section to should gas-entered passageway stretching out, and the side of butting section is provided with the air outlet.

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