Height Adjustable seat pillar assembly

Height Adjustable seat pillar assembly

  • CN 102,862,620 B
  • Filed: 03/07/2012
  • Issued: 05/04/2016
  • Est. Priority Date: 07/05/2011
  • Status: Active Grant
First Claim
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1. a Height Adjustable seat pillar assembly, comprising:

  • The first pipe that telescopically is arranged and the second pipe, described the first pipe and the second pipe are with respect to thatThis is relatively activated, to change the total length of described Height Adjustable seat pillar assembly;

    The first ratchet device, described the first ratchet device comprises;

    one group has of first segment distanceOne ratchet;

    And the first detent member, described the first detent member can be with respect toOne ratchet movably connects between the first latched position and the first free position, and described first onlyMoving pawl component engages with in the first ratchet one in the first latched position, to prevent the first pipeContraction with the second pipe;

    AndThe second ratchet device, described the second ratchet device comprises;

    one group has of second section distanceTwo ratchets, described second section is apart from being less than described first segment distance;

    And the second detent member,Described the second detent member with respect to described the second ratchet in the second latched position and second certainlyBy movably connecting between position, described the second detent member is the second latched position and theAn engagement in two ratchets, to prevent the stretching, extension of the first pipe and the second pipe.

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