Support driving structure of chair

Support driving structure of chair

  • CN 202,341,406 U
  • Filed: 08/10/2011
  • Issued: 07/25/2012
  • Est. Priority Date: 08/10/2011
  • Status: Active Grant
First Claim
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1. the support drive structure of a seat, it comprises a plurality of support link, it is characterized in that, comprising:

  • One stator is used for fixing on the seat base;

    One first connecting rod is the L type, and the one of which end is hinged on the middle part of said stator, and the end of the other end and a second connecting rod is hinged;

    Said second connecting rod, a center and a third connecting rod end are hinged, and it is hinged that the other end of second connecting rod and is used for one of supporting spring of support chair headrest portion end;

    Said third connecting rod, one of which end and one the 4th interlinking lever end are hinged, and the top of the other end and said stator is hinged;

    Said the 4th connecting rod, the other end of its other end and said supporting spring is hinged.

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