Springy telescoping mechanism and the therapeutic equipment based on infrared ray comprising it

Springy telescoping mechanism and the therapeutic equipment based on infrared ray comprising it

  • CN 208,943,286 U
  • Filed: 06/07/2018
  • Issued: 06/07/2019
  • Est. Priority Date: 06/07/2018
  • Status: Active Grant
First Claim
Patent Images

1. a kind of springy telescoping mechanism characterized by comprising spring and protective case, spring one end is for connectingTo the first hinged place of the therapeutic equipment based on infrared ray, the spring other end is for being connected to the therapeutic equipment based on infrared raySecond hinged place;

  • Protective case is placed on outside spring, and protective case can be elongated or shortened with spring.

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