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SHOCK ABSORBING AND HEIGHT ADJUSTING STRUCTURE

  • US 20200130775A1
  • Filed: 10/30/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/30/2018
  • Status: Active Grant
First Claim
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1. A shock absorbing and height adjusting structure, comprising:

  • an inner tube, comprising;

    an upper end;

    a lower end opposite to the upper end; and

    an inner space for accommodating a gas;

    a lower piston assembly, comprising;

    a lower piston movably inserted into the inner tube; and

    a lower passage disposed at the lower piston; and

    an upper piston assembly comprising an upper piston movably inserted into the inner tube;

    wherein when the lower passage is opened, the lower piston is moved relative to the lower end; and

    when the upper piston is forced, the upper piston is moved relative to the upper end toward the lower end so as to compress the gas.

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