Multistage seatback frame

Multistage seatback frame

CN
  • CN 201,958,277 U
  • Filed: 01/28/2011
  • Issued: 09/07/2011
  • Est. Priority Date: 01/28/2011
  • Status: Active Grant
First Claim
Patent Images

1. multisection type seat back frame, be used to support the chair back, it comprises head rest, the back of the body housing, waist housing and back steel sheet, it is characterized in that:

  • described multisection type seat back frame further comprises chair back height-regulating device, anti-garment bag, waist elastic spring, waist elastic force briquetting, waist elastic force adjustment screw rod, waist elastic force briquetting screw and the waist elastic force adjustment screw rod screw of shaking of back steel sheet;

    Described head rest is curved, and it is articulated in described back of the body housing top by elastic device;

    Described back of the body housing is positioned at described waist housing top, and has back of the body housing glue shell and tooth on the described back of the body housing, and the joint of described back of the body housing and described back steel sheet is provided with projection, and described back steel sheet prevents that shaking garment bag is set on the described projection;

    Described back steel sheet is fixed between described back of the body housing and the described back of the body housing glue shell;

    Described waist housing one end and described back of the body housing are hinged, have the gap between its other end and the described back steel sheet.

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